The same 4 chapters CILL teaches in class, in the same order — every trick, every Clip, every full Track. Read the trick, try it, then press play.
🎧 How to practice: Read the question first, like the real test gives you time to. Then press play and listen — each Clip and Track is meant to be played once. Try to answer before you reveal it. The 🔑 বাংলায় notes explain the trick in Bangla.
Chapter15
Test Format & Section-by-Section Strategy
পরীক্ষার কাঠামো ও প্রতিটি অংশের কৌশল
Listening has 4 sections, 40 questions total, and — unlike Reading — you hear each recording only once, with no rewind. This chapter teaches the strategy that applies across ALL 4 sections — predicting before you listen, writing as you go, tracking signpost language, and precision spelling — before the next few chapters drill each section's specific task types in depth.
🎯 By the end of this chapter, you will
know the exact structure, timing, and speaker pattern of all 4 Listening sections
predict the answer TYPE for a blank before the recording even starts
write answers immediately as you hear them, and use signpost language to stay on track
avoid the single most common Listening error: a correct answer marked wrong for spelling or number precision
Everyday, practical monologue (e.g. a talk about local facilities)
1 speaker
Section 3
Educational/training context discussion
2 main speakers (occasionally a 3rd/4th brief voice)
Section 4
Academic lecture or talk
1 speaker
💡 Good to know: Each recording plays ONCE only. Computer-delivered tests run continuously (~32 minutes, with a 2-minute review window at the end); paper-based tests add 10 minutes' transfer time at the end instead.
Task Type
Where it's covered
Form/Note/Table Completion
Chapter 16
Plan/Map/Diagram Labelling
Chapter 16
Multiple Choice
Chapter 17
Matching
Chapter 17
Sentence/Summary Completion
Chapter 18
Short-Answer Questions
Chapter 18
1
Preview the Questions Before You Listen
What's the trick
Before the recording starts, you're given time to read the questions — use it to predict what KIND of answer belongs in each blank (a date, a price, a name, a place), using the words around the blank and the word-limit instruction. Decide this BEFORE you hear anything.
Why it matters for IELTS
Once the audio starts, there's no time left to figure out what you're even listening FOR — that decision has to already be made, exactly like predicting the answer type in Reading's completion tasks, but here you only get one pass to use it.
🔑 বাংলায়: শোনার আগেই, প্রশ্নের শব্দ দেখে বুঝে নাও উত্তর কোন ধরনের হবে (তারিখ/নাম/সংখ্যা) — শোনার সময় চিন্তা করার সময় থাকবে না।
Example
Form: "Complete the notes below. Write NO MORE THAN TWO WORDS AND/OR A NUMBER for each answer." Blank: "Course start date: ___" → before listening, predict: this needs a date, not a name or a price.
Try it
Blank: "Preferred contact number: ___". Before listening, what TYPE of answer are you listening for?
✓ Reveal answer
Answer: a phone number (a string of digits)Why: "contact number" only fits a phone number — the moment ANY sequence of digits is mentioned, that's your target, regardless of what else is said around it.🔑 বাংলায়: শোনার আগেই, প্রশ্নের শব্দ দেখে বুঝে নাও উত্তর কোন ধরনের হবে (তারিখ/নাম/সংখ্যা) — শোনার সময় চিন্তা করার সময় থাকবে না।
2
Write As You Listen — Don't Wait for the "Right" Moment
What's the trick
The recording plays once, with no pause or rewind — write your best guess immediately as you hear it, even in rough shorthand, rather than waiting to compose a neat, perfect answer. You can tidy the spelling later if there's a spare moment.
Why it matters for IELTS
Hesitating to "get it exactly right" is the single biggest cause of missing the NEXT answer too — while you're still writing the first answer neatly, the speaker has already moved on and said the second one.
🔑 বাংলায়: রেকর্ডিং মাত্র একবার শোনা যায় — নিখুঁত উত্তর লেখার জন্য সময় নিও না, যা শুনছ সাথে সাথেই লিখে ফেলো।
Example
Hearing "the course starts on the fourteenth of March" → jot "14 Mar" immediately. Don't pause to decide whether to write "14th" or "March 14th" — that decision can wait, but catching the NEXT answer can't.
Try it
🎧 Clip 15.2
📄 Show transcript
…and my number is oh-seven-four-one, six-six-two, nine-oh-eight.
You're still finishing the previous answer when this plays. What should you do?
✓ Reveal answer
Answer: Write down whatever digits you catch immediately, even if incomplete, then move straight onWhy: A partial answer you can sometimes reconstruct later beats losing the NEXT question entirely because you were still stuck finishing the previous one.🔑 বাংলায়: রেকর্ডিং মাত্র একবার শোনা যায় — নিখুঁত উত্তর লেখার জন্য সময় নিও না, যা শুনছ সাথে সাথেই লিখে ফেলো।
3
Listen for Signpost Language Between Questions
What's the trick
Phrases like "now," "moving on to," "as for," or a clear change of topic signal that the recording has moved to a new question — use these to confirm you're on the right blank, especially if you fell slightly behind.
Why it matters for IELTS
If you fall behind by even one answer, signpost language is your only way back on track — with no visual pause, the recording itself has to tell you when one question ends and the next begins.
🔑 বাংলায়: "now," "moving on to"-এর মতো শব্দ শুনলে বুঝবে পরবর্তী প্রশ্নে চলে গেছে — পিছিয়ে পড়লে এভাবেই এগিয়ে আসতে পারবে।
Example
"...that covers the fee. Now, as for the location, the classes are held in..." → this phrase signals a new topic (location) has begun — if you were still writing the fee, it tells you to catch up immediately.
Try it
🎧 Clip 15.3
📄 Show transcript
…and that’s everything about the fee. Moving on to the next point, let’s talk about parking.
What phrase tells you the speaker has moved on to a new topic?
✓ Reveal answer
Answer: "Moving on to the next point"Why: This is explicit signpost language marking a topic change — a casual aside like "by the way" would NOT be a structural signal like this.🔑 বাংলায়: "now," "moving on to"-এর মতো শব্দ শুনলে বুঝবে পরবর্তী প্রশ্নে চলে গেছে — পিছিয়ে পড়লে এভাবেই এগিয়ে আসতে পারবে।
4
Spelling & Number Precision — the Silent Score-Killer
What's the trick
A correct-sounding answer with one wrong letter or digit is marked wrong. Write numbers and spelled-out letters carefully, and double-check word pairs that sound alike, especially "-teen" vs. "-ty" endings (thirteen/thirty, fourteen/forty).
Why it matters for IELTS
Listening is graded mechanically, exactly like Reading's completion tasks — understanding the general meaning isn't enough for credit if the spelling or number written down is wrong.
🔑 বাংলায়: বানান বা সংখ্যা একটুও ভুল হলে সঠিক উত্তরও ভুল ধরা হবে — "-teen" আর "-ty" এর উচ্চারণ আলাদাভাবে খেয়াল করো।
Example
Hearing "eighty" instead of "eighteen" (or vice versa) is one of the most common real Listening traps — the only difference is stress: EIGH-ty vs. eigh-TEEN.
Try it
🎧 Clip 15.4
📄 Show transcript
M. C. K. E. N. Z. I. E.
A name is spelled aloud, letter by letter. What's the single biggest risk when writing it down?
✓ Reveal answer
Answer: writing it as "MacKenzie" or another common spelling variant, instead of exactly what was spelled outWhy: Names are graded on EXACT spelling as given letter-by-letter, not the most common or expected spelling of that name.🔑 বাংলায়: বানান বা সংখ্যা একটুও ভুল হলে সঠিক উত্তরও ভুল ধরা হবে — "-teen" আর "-ty" এর উচ্চারণ আলাদাভাবে খেয়াল করো।
🔊 Spoken
"The workshop takes place every Tuesday and Thursday evening, from six o'clock until half past seven, at the Riverside Hall."
✍️ Notes actually written
Tue & Thu eves, 6–7:30pm, Riverside Hall
Notice: small words (the, at, every) are dropped, "and" becomes "&", times become digits, and nothing is written in full sentences. This is the standard you're aiming for throughout Listening.
🎧 Track 1 — Registering for a Photography Course
2 speakers · Receptionist & Caller
Play once
📄 Show transcript
Receptionist: Good morning, Riverside Community Centre, how can I help you? Caller: Hi, I'd like to sign up for the weekend photography course I saw advertised. Receptionist: Of course! Could I take your full name, please? Caller: Yes, it's Daniel Whitfield — W-H-I-T-F-I-E-L-D. Receptionist: Great, thank you. And what's the best contact number for you? Caller: You can reach me on 0741 662 908. Receptionist: Perfect. The course runs for four consecutive Saturdays, starting on the 14th of March, from 9 till midday. Caller: That sounds great. How much is the course? Receptionist: It's forty-five pounds in total, but that includes all materials except your own camera. Caller: And where exactly do the classes take place? Receptionist: They're held in Studio 3, just past the main reception, on the ground floor. Caller: Perfect, thank you very much.
1
Warm-up — predict before you listen
Prediction
📝 3 minutes, timed — before playing anything, using Trick 1 only
For each blank below, name the TYPE of answer you'd listen for: (a) "Name: ___" (b) "Course fee: ___" (c) "Course length: ___"
✓ Reveal model answer
Model: (a) a person's name, likely spelled aloud (b) an amount of money (c) a length/duration (a number + a unit, e.g. "four Saturdays")
2
Applying it — full note completion, real timing
Note/Form Completion
📝 6 minutes — play Track 1 ONCE; write NO MORE THAN THREE WORDS AND/OR A NUMBER for each answer
1. Name: ___
✓ Reveal answer
Answer: Daniel WhitfieldWhy: Trick 4 — spelled letter-by-letter in the recording; must be copied exactly.
2. Contact number: ___
✓ Reveal answer
Answer: 0741 662 908Why: Trick 1 predicted a digit string here; Trick 2 — write digits down as you hear them, don't wait.
3. Course length: ___
✓ Reveal answer
Answer: four Saturdays / four consecutive SaturdaysWhy: Signalled right after "the course runs for" (Trick 3's kind of transition phrase).
4. Fee: ___
✓ Reveal answer
Answer: £45 / forty-five poundsWhy: Trick 4 — a number, precision matters; "forty-five" not "fourteen" or "fifteen."
5. Location: ___
✓ Reveal answer
Answer: Studio 3Why: Cued by the caller's own question — "where exactly do the classes take place?" — which turns the dialogue to the location; the extra detail "past reception, ground floor" is context, not the answer itself.
✚
Extra self-practice — 2 more predictions
Prediction
📝 Untimed — for extra practice, individually or as homework
1. Blank: "Class held on: ___ floor." What TYPE of answer fits here?
✓ Reveal answer
Answer: an ordinal/floor descriptor (e.g. "ground," "first")Why: "___ floor" grammatically needs a floor-describing word, not a full sentence.
2. Blank: "Materials included: all except ___." What TYPE of answer fits here?
✓ Reveal answer
Answer: a single item/object (e.g. "your own camera")Why: "except ___" signals one excluded item is coming, not a list or a price.
🏠 Try this on your own: Find any short audio or video clip in English (2–4 minutes — a news clip, a podcast excerpt, anything). Play it once only, and write down 5 concrete facts (a number, a name, a date, or a place) using the shorthand style from today, without pausing or rewinding. Then play it again to check your accuracy.
✅ By the end of this chapter, you can
describe the format and speaker pattern of all 4 Listening sections, predict answer types before listening, write answers in real time using shorthand, and avoid spelling/number errors.
Three questions — the strategy facts that win easy marks. (No audio for this one.)
How to practise: Use the reminders on the left, choose one option per question on the right, then press “Check my answers.”🔑 যেভাবে অনুশীলন করবেন: বাঁ পাশের নোট দেখে ডান পাশে প্রতিটি প্রশ্নে একটি option বেছে নিন, তারপর “Check my answers”-এ চাপ দিন।
Remember (the test)
• The audio plays once only — you cannot rewind.
• 4 sections, getting harder: everyday talk → academic lecture.
• You get time to read the questions first — use it.
• Spelling and grammar count — a right word spelled wrong is marked wrong.
1. How many times will you hear the audio?
Answer: B. IELTS Listening plays once — that's why you must read the questions ahead and write answers as you hear them, never wait until the end.
🔑 বাংলায়: IELTS Listening একবারই বাজে — তাই প্রশ্ন আগে পড়ে, শোনার সাথে সাথেই উত্তর লিখুন। তাই B সঠিক।
2. Which section is usually the most difficult?
Answer: C. The sections get harder in order; Section 4 is an academic monologue with the densest vocabulary and no second speaker to break it up.
🔑 বাংলায়: section-গুলো ক্রমে কঠিন হয়; Section 4 হলো academic lecture — সবচেয়ে কঠিন শব্দভাণ্ডার। তাই C সঠিক।
3. While you listen, what is the best thing to do?
Answer: B. Because the audio plays once, reading ahead and answering in real time is the only reliable method. Waiting or translating means you miss the next answer.
🔑 বাংলায়: audio একবার বাজে বলে, আগে প্রশ্ন পড়ে শোনার সাথে সাথে উত্তর লেখাই একমাত্র নিরাপদ উপায়। তাই B সঠিক।
This chapter covers two related Listening formats. Form/Note/Table Completion asks you to fill blanks with exact words or numbers, the same underlying skill as Reading's completion tasks — but here the recording only gives you one pass, in a fixed order. Plan/Map/Diagram Labelling asks you to label a printed floor plan or map using a spoken description — usually a narrated walk-through of a space, which needs a different listening skill: tracking movement, not just facts.
🎯 By the end of this chapter, you will
complete a form/note/table by following the recording's own fixed order
catch a speaker's self-correction and write the LAST version given, not the first
label a plan or map by tracking a narrated route through a space
anchor each new location to one already placed, building the picture incrementally
Part A — Form/Note/Table Completion
1
Predict the Word Type from the Blank's Grammar
What's the trick
Just like in Reading, the grammar around a blank tells you what KIND of word fits — noun, verb, adjective, or adverb — before you even hear the recording. Look at the words immediately before and after the blank on the printed form.
Why it matters for IELTS
Narrowing down the word CLASS, not just the topic, means you can instantly reject an answer that's grammatically impossible, even if it sounds similar to something you heard.
🔑 বাংলায়: blank-এর আগে-পরের grammar দেখেই বোঝা যায় কী ধরনের শব্দ (noun/verb/adjective/adverb) বসবে — শোনার আগেই।
Example
"Opening hours are ___ extended during summer." → the blank sits directly before a verb ("extended") and after "are," so it needs an ADVERB (e.g. "significantly," "slightly") — not a noun or a name.
Try it
"Membership can be ___ at any of our three branches." What word TYPE fits this blank?
✓ Reveal answer
Answer: a verb (past participle, e.g. "renewed," "upgraded")Why: "can be ___" is a passive construction — grammatically, only a past-participle verb form fits this slot, exactly like Reading's own grammar-signal trick.🔑 বাংলায়: blank-এর আগে-পরের grammar দেখেই বোঝা যায় কী ধরনের শব্দ (noun/verb/adjective/adverb) বসবে — শোনার আগেই।
2
Follow the Speaker's Own Order
What's the trick
The blanks in a Listening completion task are almost always answered in the exact order the speaker presents them. Unlike Reading, you can't scan ahead or jump back — treat the form top-to-bottom as your listening roadmap, and trust that blank 3 will be answered before blank 4.
Why it matters for IELTS
If you're unsure of an answer, staying in order is what lets you catch up — jumping around the form looking for a specific blank wastes time you don't have, since the recording never waits.
🔑 বাংলায়: ফর্মের blank-গুলো ঠিক যে ক্রমে লেখা আছে, রেকর্ডিংও ঠিক সেই ক্রমেই উত্তর দেয় — এলোমেলোভাবে না খুঁজে ক্রম অনুসরণ করো।
Example
A form lists blanks for Name, then Fee, then Start Date, in that order — the recording will mention the name first, the fee second, and the date third, never out of sequence.
Try it
🎧 Clip 16.2
📄 Show transcript
…and that comes to twenty-five pounds for the year.
You catch a price, but you're not sure which blank it answers. The next blank on your form is "Opening hours: ___." Should this price answer that blank?
✓ Reveal answer
Answer: NoWhy: A price cannot answer an "opening hours" blank — if you heard a price, it likely belongs to an EARLIER blank you may have missed; move on to the next blank rather than forcing it in.🔑 বাংলায়: ফর্মের blank-গুলো ঠিক যে ক্রমে লেখা আছে, রেকর্ডিংও ঠিক সেই ক্রমেই উত্তর দেয় — এলোমেলোভাবে না খুঁজে ক্রম অনুসরণ করো।
3
Catch the Self-Correction
What's the trick
Natural speech often corrects itself mid-sentence — "the fee is thirty pounds... sorry, that's actually thirty-five." Always write the LAST version given, not the first one you hear.
Why it matters for IELTS
This is one of the most common real Listening traps — test-writers deliberately include a spoken correction to catch students who write down the first number they hear and stop listening.
🔑 বাংলায়: কথা বলার সময় মানুষ প্রায়ই নিজের ভুল সংশোধন করে — সবসময় সর্বশেষ বলা তথ্যটাই লিখবে, প্রথমটা নয়।
Example
"The workshop is in Room 4 — oh wait, sorry, they've actually moved it to Room 7." First said: Room 4 → Correct answer: Room 7.
Try it
🎧 Clip 16.3
📄 Show transcript
Membership costs eighteen pounds a month — although, hold on, that price went up recently, so it’s actually twenty pounds now.
What's the correct answer?
✓ Reveal answer
Answer: £20 / twenty poundsWhy: The speaker corrects the first figure explicitly — the LAST stated value is always the one graded as correct.🔑 বাংলায়: কথা বলার সময় মানুষ প্রায়ই নিজের ভুল সংশোধন করে — সবসময় সর্বশেষ বলা তথ্যটাই লিখবে, প্রথমটা নয়।
🎧 Track 2 — Brookfield Leisure Centre, Membership Information
1 speaker · Manager
Play once
📄 Show transcript
Manager: Good afternoon, everyone, and welcome to Brookfield Leisure Centre. I'd like to run through a few key details about what we offer. The centre is open every day from six in the morning until ten at night, except on Sundays, when we close a little earlier, at eight. We currently have three membership options. The Basic membership, at eighteen pounds a month, gives you access to the gym only. The Standard membership, at twenty-eight pounds, adds the swimming pool. And our top tier, Premium, at thirty-nine pounds a month — sorry, I should say forty-two pounds, we updated our prices last week — includes everything, plus free towel hire, which is normally an extra two pounds fifty per visit. One more thing: the car park is currently closed for resurfacing, so please use the street parking on Marlow Road instead, just across from the main entrance.
1
Warm-up — predict before you listen
Prediction
📝 2 minutes, timed — before playing anything
For "Sunday closing time: ___" and "Alternative parking location: ___", name the TYPE of answer you'd listen for.
✓ Reveal model answer
Model: a time (a clock time) — a street/road name
2
Applying it — full note completion, real timing
Note Completion
📝 6 minutes — play Track 2 ONCE; write NO MORE THAN TWO WORDS AND/OR A NUMBER for each answer
1. Weekday opening hours: ___
✓ Reveal answer
Answer: 6am–10pmWhy: Trick 2 — the very first detail given, in order; kept to a single time range within the word limit.
2. Sunday closing time: ___
✓ Reveal answer
Answer: 8 / eight (pm)Why: Directly follows the weekday hours in sequence.
3. Standard membership includes: ___
✓ Reveal answer
Answer: (the) swimming poolWhy: "adds the swimming pool" — Standard builds on Basic's gym-only access.
4. Premium membership fee: ___
✓ Reveal answer
Answer: £42 / forty-two poundsWhy: Trick 3 — the speaker corrects "thirty-nine" to "forty-two"; the corrected figure is the only one graded as correct.
5. Alternative parking location: ___
✓ Reveal answer
Answer: Marlow RoadWhy: Named directly as the street to use while the car park is closed.
Part B — Plan/Map Labelling
4
Track the Speaker's Route Through the Space
What's the trick
A plan/map description is usually a narrated walk-through — "as you come in through the entrance, you'll see... continuing past that, on your right..." — follow the imagined movement through the space, rather than treating it as an unordered list of facts.
Why it matters for IELTS
Locations are described in the order you'd physically walk past them, not in the order they appear on your printed plan — following the route keeps you moving through the diagram at the same pace as the speaker.
🔑 বাংলায়: map বর্ণনা সাধারণত একটা পথ ধরে হাঁটার মতো করে বলা হয় — কল্পনায় সেই পথ অনুসরণ করো।
Example
"As you enter the museum, the ticket desk is straight ahead. Turning left, you'll find the gift shop." → Entrance → Ticket desk (straight ahead) → Gift shop (further left)
Try it
🎧 Clip 16.4
📄 Show transcript
Coming through the main gate, the car park is immediately on your left. Carry on past it, and the visitor centre is the first building you reach.
In what order should you look for these on a map?
✓ Reveal answer
Answer: Gate → car park (left) → visitor centre (further along)Why: The description follows a physical path from the gate onward — locating them in this order matches how the speaker is moving through the space.🔑 বাংলায়: map বর্ণনা সাধারণত একটা পথ ধরে হাঁটার মতো করে বলা হয় — কল্পনায় সেই পথ অনুসরণ করো।
5
Anchor Each New Location to One Already Placed
What's the trick
New locations are usually described relative to one you've already placed — "the café is to the left of reception." Build the map incrementally: place the first, fixed reference point, then use it to place the next, and the next.
Why it matters for IELTS
Trying to place every label independently means you have nothing to check a location against — anchoring each new one to an already-placed point catches mistakes immediately, since a location that doesn't fit the pattern stands out.
🔑 বাংলায়: নতুন প্রতিটি জায়গা আগে থেকে বসানো কোনো জায়গার সাপেক্ষে বলা হয় — প্রথমে স্থির বিন্দুটা বসাও, তারপর তার ভিত্তিতে বাকিগুলো।
Example
"The reception desk is by the entrance. The café is to the left of reception." → 1st: Reception (anchored to the entrance) — 2nd: Café (placed relative to reception)
Try it
🎧 Clip 16.5
📄 Show transcript
The information desk is at the centre of the hall. The lift is just behind it.
Which should you place first?
✓ Reveal answer
Answer: The information deskWhy: It's the fixed reference point ("at the centre of the hall") — the lift is only described relative to it, so it must be placed second.🔑 বাংলায়: নতুন প্রতিটি জায়গা আগে থেকে বসানো কোনো জায়গার সাপেক্ষে বলা হয় — প্রথমে স্থির বিন্দুটা বসাও, তারপর তার ভিত্তিতে বাকিগুলো।
🎧 Track 3 — Brookfield Leisure Centre, Ground Floor Layout
1 speaker · Manager
Play once
📄 Show transcript
Manager: Let me quickly describe the layout of our ground floor. As you come in through the main entrance, the reception desk is directly in front of you. To the left of reception is the café, where you can get drinks and snacks. If you continue straight past reception, you'll reach the swimming pool, right at the back of the building. The gym itself is upstairs, but the changing rooms for the pool are on the ground floor, just to the right of the pool entrance. Finally, the accessible toilet is tucked into the corner, between the café and the main entrance.
🗺️ Brookfield Leisure Centre — ground floor (label using Track 3)
A schematic floor plan — not to scale
3
Full task — label all five parts, real timing
Plan/Map Labelling
📝 6 minutes — play Track 3 ONCE; write NO MORE THAN TWO WORDS per label
Label 1
✓ Reveal answer
Answer: reception (desk)Why: Trick 5 — anchored directly to the entrance, placed first.
Label 2
✓ Reveal answer
Answer: cafe / caféWhy: "to the left of reception" — anchored to Label 1, already placed.
Label 3
✓ Reveal answer
Answer: (swimming) poolWhy: Trick 4 — "continue straight past reception," following the route further into the building.
Label 4
✓ Reveal answer
Answer: changing roomsWhy: "to the right of the pool entrance" — anchored to Label 3. Note the gym is mentioned but is upstairs, not on this plan — a listening distractor, not a 6th label.
Label 5
✓ Reveal answer
Answer: (accessible) toiletWhy: "between the café and the main entrance" — anchored to two already-placed points (Label 2 and the entrance).
✚
Extra self-practice — 2 more questions
Completion & Plan Labelling
📝 Untimed — for extra practice, individually or as homework
1. Using Track 2, what is the exact Basic membership fee? (no more than one number)
✓ Reveal answer
Answer: £18 / eighteen poundsWhy: Stated once, with no correction — Trick 3 only applies when a correction actually happens.
2. Using Track 3, why is the gym NOT one of the five labels on this plan?
✓ Reveal answer
Answer: because it's upstairs, not on the ground floorWhy: The speaker explicitly says "the gym itself is upstairs" — a careful listener excludes it from this floor's labels rather than guessing a location for it.
Part C — Diagram Labelling
💡 One more label type: Section 4 sometimes shows a diagram of an object or apparatus instead of a floor plan. The skill is close to a map — but instead of a route through a building, you follow the speaker top-to-bottom or outside-in, and each part is usually described by its position or what it does, not handed to you as a ready-made label. Listen for what each part is for.
Listen & label
🎧 Clip 16.6
📄 Show transcript
Right — here's a cross-section of the vacuum flask. At the very top sits the screw cap, which seals it shut. The outermost layer, the part your hand actually holds, is a tough plastic shell. Just inside that — and this is the clever bit — the air has been drawn out completely, leaving a narrow empty gap that stops heat escaping. The drink itself sits in the silver container in the middle. And the whole thing rests on a wide, stable base.
🔧 Vacuum flask, cross-section (label parts 1–4 using Clip 16.6)
A schematic cross-section — not to scale
✎
Diagram task — label the four numbered parts
Diagram Labelling
📝 4 minutes — play Clip 16.6 ONCE; write NO MORE THAN TWO WORDS per label
Part 1
✓ Reveal answer
Answer: (plastic) shell / outer shellWhy: Given by position and feel — "the outermost layer, the part your hand actually holds" — never named outright as "the outer shell," so you infer it from the description.
Part 2
✓ Reveal answer
Answer: vacuum / (empty) gapWhy: The word "vacuum" is never spoken — the speaker only says "the air has been drawn out... a narrow empty gap." You supply the term from its function (it "stops heat escaping").
Part 3
✓ Reveal answer
Answer: (silver) container / inner containerWhy: Placed "in the middle" and identified by what it holds — "the drink itself sits in the silver container."
Part 4
✓ Reveal answer
Answer: baseWhy: "the whole thing rests on a wide, stable base" — the last part, at the bottom, in the speaker's top-to-bottom order.
🏠 Try this on your own: Ask a friend or family member to describe the layout of a room or building you don't know well (their office, a shop, their home), while you sketch a simple plan from their description alone, without seeing it first. Compare your sketch to the real layout afterward — this is exactly Track 3's skill in reverse.
✅ By the end of this chapter, you can
complete a form/note/table in the recording's own fixed order, catch a self-correction, label a plan or map by tracking a narrated route and anchoring new locations to ones already placed, and label a diagram from each part's position or function.
✨ Extra practice — Completion (Listening) App only
Listen to a short enquiry and complete the form — like a real Section 1.
How to practise: Press play on the left and listen. Read the form gaps on the right first, type each answer as you hear it (the audio plays as often as you like here — in the real test it plays once), then press “Check my answers.”Spelling counts.🔑 যেভাবে অনুশীলন করবেন: বাঁ পাশে play চাপুন। ডান পাশের ফাঁকা ঘরগুলো আগে পড়ুন, শোনার সাথে সাথে উত্তর টাইপ করুন, তারপর “Check my answers”-এ চাপ দিন। বানান ঠিক রাখতে হবে।
Section 1 · Easier · clear speech🎧 Sports centre enquiryShow transcript (after you try)
Receptionist: Good morning, Greenfield Sports Centre. How can I help? Caller: Hi, I'd like to sign up for a membership, please. Receptionist: Of course. Can I take your name? Caller: Yes, it's David Almond. That's A-L-M-O-N-D. Receptionist: Thank you. And which membership would you like, the standard or the premium? Caller: The premium one, please. Receptionist: Great. That's forty-five pounds a month. The centre opens at six on weekdays, but on Sundays it's from eight. Caller: Perfect. Can I start on the fifteenth of March? Receptionist: Yes, that's absolutely fine.
1. Membership form — Surname:
Answer: Almond. The caller spells it out: “A-L-M-O-N-D.” Listen for spelled-out names and write each letter — a wrong spelling scores zero even if you heard it.
🔑 বাংলায়: caller বানান করে বলে “A-L-M-O-N-D” — Almond। বানান ভুল হলে শূন্য।
2. Membership type chosen:
Answer: premium. The caller is offered “standard or premium” and chooses “the premium one.” Listen for the choice actually made, not just the options mentioned.
🔑 বাংলায়: “standard না premium” — caller “premium” বেছে নেয়। যে option আসলে বেছে নেওয়া হয় সেটাই উত্তর।
3. On Sundays, the centre opens at:
Answer: 8 (eight). A classic trap: weekdays open at six, “but on Sundays it's from eight.” The word “but” signals the answer they're really asking for.
🔑 বাংলায়: সাধারণ ফাঁদ — সপ্তাহের দিন 6টা, “but on Sundays … eight।” “but” শব্দটাই আসল উত্তরের ইঙ্গিত। উত্তর: 8।
একাধিক বক্তার আলোচনা — বহু-নির্বাচনী ও মিলকরণ প্রশ্ন
Section 3 introduces a genuinely new challenge: 2 main speakers (occasionally a brief 3rd voice), usually discussing an educational or training topic. Multiple Choice and Matching both get harder here, because two people can suggest, disagree, and change their minds — the "correct" answer is often only the LAST thing they agree on, not anything said earlier.
🎯 By the end of this chapter, you will
wait for two speakers' final agreement, not an early suggestion one of them later rejects
track WHICH speaker holds which opinion, when the question asks about a specific person
recognise that a Multiple Choice option can be mentioned and still be wrong, if the discussion moves past it
read a Matching task's instructions carefully — options aren't always used exactly once
1
Wait for the Final Agreement, Not the First Suggestion
What's the trick
With two speakers, one often proposes an idea that the other then rejects or improves on — the recording is testing whether you can follow the discussion to its actual conclusion, not just note the first thing suggested.
Why it matters for IELTS
This is the multi-speaker version of catching a self-correction (Chapter 16) — except now the correction comes from a SECOND voice agreeing, disagreeing, or proposing an alternative, which is easy to miss if you stop listening once you hear a plausible-sounding answer.
🔑 বাংলায়: দুইজন বক্তা থাকলে একজনের প্রথম প্রস্তাব প্রায়ই বাতিল হয়ে যায় — শেষে কী নিয়ে একমত হলো সেটাই আসল উত্তর।
Example
Speaker A: "Should we present on Tuesday?" Speaker B: "Actually, let's push it to Thursday, we'll have more data by then." First suggestion: Tuesday → Final answer: Thursday
Try it
🎧 Clip 17.1
📄 Show transcript
I thought we’d meet in the library. The library’s booked all week — actually, how about the study room in the science block instead?
What's the final answer?
✓ Reveal answer
Answer: The study room in the science blockWhy: The library is proposed first, then explicitly rejected ("booked all week") in favour of a new suggestion — the final agreed location is the one that counts.🔑 বাংলায়: দুইজন বক্তা থাকলে একজনের প্রথম প্রস্তাব প্রায়ই বাতিল হয়ে যায় — শেষে কী নিয়ে একমত হলো সেটাই আসল উত্তর।
2
Track Who Said What
What's the trick
When a question asks specifically what ONE speaker thinks or plans ("What does Priya suggest?"), only that speaker's words count — the other speaker's opinion, even if stated first or more confidently, is a distractor for this specific question.
Why it matters for IELTS
Questions in multi-speaker discussions often target one specific person deliberately — mixing up whose opinion is whose is one of the most common Section 3 errors.
🔑 বাংলায়: প্রশ্নে যদি নির্দিষ্ট একজন বক্তার কথা জিজ্ঞেস করা হয়, শুধু তার কথাই গুরুত্বপূর্ণ — অন্যজনের মতামত distractor।
Example
"Sam thinks the deadline is too tight, but Priya believes they can still finish on time." Question: "What does Priya think?" → Sam: the deadline is too tight — Priya: they can still finish on time ✓
Try it
🎧 Clip 17.2
📄 Show transcript
Tom wants to focus the presentation on cost savings. Aisha would rather focus on customer satisfaction instead.
What does Aisha want to focus on?
✓ Reveal answer
Answer: Customer satisfactionWhy: "Aisha would rather focus on..." names her view directly — cost savings is Tom's opinion, a distractor for a question specifically about Aisha.🔑 বাংলায়: প্রশ্নে যদি নির্দিষ্ট একজন বক্তার কথা জিজ্ঞেস করা হয়, শুধু তার কথাই গুরুত্বপূর্ণ — অন্যজনের মতামত distractor।
3
All Options May Be Mentioned — Only One Survives the Discussion
What's the trick
In Multiple Choice, all 3–4 options are often genuinely mentioned somewhere in the recording — being discussed is not the same as being chosen. Listen for which option the speakers actually settle on by the end.
Why it matters for IELTS
Selecting an option just because you recognise it from the recording — without tracking whether it was accepted or rejected — is a very common, entirely avoidable error.
🔑 বাংলায়: সব কয়টা option-ই আলোচনায় আসতে পারে — কোনটা গ্রহণ আর কোনটা বাতিল হলো, সেটা খেয়াল রাখো, নাম শুনলেই বেছে নিও না।
Example
Three venues — a hall, a park, a restaurant — are all discussed for a party. Hall — reason given against it. Park — reason given against it. Restaurant — agreed on ✓. All three are "mentioned" — only one is correct.
Try it
🎧 Clip 17.3
📄 Show transcript
We could read “The Silver Line,” “Coastal Winds,” or “Midnight Ferry” for the group project. “The Silver Line” is good, but it’s far too long for our schedule. “Coastal Winds” sounds perfect, but it’s out of stock everywhere.
What can you conclude about the third book, "Midnight Ferry"?
✓ Reveal answer
Answer: The third book is very likely the one actually chosenWhy: With the other two explicitly eliminated by name, the remaining option is the one the speakers settle on — a classic elimination-by-discussion pattern.🔑 বাংলায়: সব কয়টা option-ই আলোচনায় আসতে পারে — কোনটা গ্রহণ আর কোনটা বাতিল হলো, সেটা খেয়াল রাখো, নাম শুনলেই বেছে নিও না।
4
Matching: Check Whether Options Can Repeat
What's the trick
Read a Matching task's instructions carefully before you start — some allow a letter/option to be used more than once, or state that not every option will be used at all. Don't assume a one-to-one match by default.
Why it matters for IELTS
Assuming every option is used exactly once, when the instructions say otherwise, causes you to force a wrong match onto the last remaining blank purely because it's the only one left.
🔑 বাংলায়: Matching task শুরু করার আগে instruction ভালো করে পড়ো — সব option ব্যবহার নাও হতে পারে, বা একটা option একাধিকবার ব্যবহার হতে পারে।
Example
Instruction: "You may use any letter more than once." → Two different questions can correctly share the same answer letter — don't avoid repeating a letter just because you already used it.
Try it
An instruction reads: "NOT ALL of the reasons will be used." What should you do if one reason in the list doesn't seem to match anything you heard?
✓ Reveal answer
Answer: Leave it unused — that's expected, not a sign you missed somethingWhy: The instruction explicitly warns that some options are distractors with no correct match — forcing one in wastes time and likely creates a wrong answer elsewhere too.🔑 বাংলায়: Matching task শুরু করার আগে instruction ভালো করে পড়ো — সব option ব্যবহার নাও হতে পারে, বা একটা option একাধিকবার ব্যবহার হতে পারে।
🎧 Track 4 — Choosing a Case-Study Company
2 speakers + brief 3rd · Sam, Priya & Tutor
Play once
📄 Show transcript
Sam: So we need to pick one company for our marketing case study — I was thinking either GreenLeaf Foods, TechNova, or Related Bikes. Priya: GreenLeaf's interesting, but I think their annual report doesn't have enough data on international marketing, which is sort of the whole point of this assignment. Sam: That's true. What about TechNova then? They've got tons of case studies already published. Priya: Yeah, but that's actually the problem — if there's already so much written about them, it'll be hard to find an original angle. Sam: Fair point. So maybe Related Bikes? Priya: Actually, I really like that one. They only entered three new international markets last year, so it's recent enough to feel current, but there's still enough written about it to research properly. Sam: Great, let's go with Related Bikes then. Tutor: Sorry to interrupt — just a reminder, your case study proposal is due Friday, not Monday as I said last week. Sam: Oh, thanks for letting us know!
1
Full task — Multiple Choice, real timing
Multiple Choice
📝 5 minutes — play Track 4 ONCE
1. Which company do Sam and Priya finally choose?A) GreenLeaf Foods B) TechNova C) Related Bikes
✓ Reveal answer
Answer: CWhy: Trick 3 — all three are discussed, but GreenLeaf and TechNova are explicitly ruled out; Related Bikes is the one they settle on.
2. Why do they reject TechNova?A) Not enough data available B) Too much already published about it C) It isn't international enough
✓ Reveal answer
Answer: BWhy: Trick 1/2 — Sam first suggests TechNova positively ("tons of case studies"), but Priya's follow-up reframes this as the actual problem — listen past the first framing to the real reason.
2
Applying it — Matching, same recording
Matching
📝 4 minutes — match each company to the reason given. Each reason is used ONCE only.
i) The report lacks the overseas-marketing figures the assignment depends on ii) So widely written about already that a fresh perspective would be difficult iii) A new enough development to stay relevant, yet with plenty published to study
1. GreenLeaf Foods
✓ Reveal answer
Answer: iWhy: Trick 2 — this is Priya's stated reason for ruling GreenLeaf out.
2. TechNova
✓ Reveal answer
Answer: iiWhy: Matches Priya's "hard to find an original angle" comment.
3. Related Bikes
✓ Reveal answer
Answer: iiiWhy: Matches Priya's final comment about recency and existing research — this is why it was ultimately chosen.
✚
Extra self-practice — 1 more question
Short-Answer
📝 Untimed — for extra practice, individually or as homework
1. According to the tutor, when is the case study proposal actually due?
✓ Reveal answer
Answer: FridayWhy: Chapter 16's Trick 3 (self-correction) applies here too, across a THIRD voice this time — the tutor corrects their own earlier statement of "Monday."
🏠 Try this on your own: Find a short clip of two people discussing a decision in English (a podcast, a video review, a debate clip). Note down every option they mention, then identify which one they actually agree on by the end, and in one sentence each, why the others were rejected.
✅ By the end of this chapter, you can
follow a multi-speaker discussion to its final agreed answer, track which speaker holds which opinion, and complete Matching tasks by reading the instructions carefully rather than assuming a one-to-one match.
✨ Extra practice — Discussion (Listening) App only
Listen to two students planning a project — like a real Section 3.
How to practise: Play the clip on the left. Two speakers with different accents discuss and decide things — listen for what they finally agree, not the first idea said. Choose one option per question, then press “Check my answers.”🔑 যেভাবে অনুশীলন করবেন: বাঁ পাশে clip চালান। দুজন বক্তা (ভিন্ন accent) আলোচনা করে সিদ্ধান্ত নেয় — প্রথম কথা নয়, শেষে যা ঠিক করে সেটাই শুনুন। প্রতিটি প্রশ্নে একটি option বেছে “Check my answers”-এ চাপ দিন।
Section 3 · Harder · two speakers🎧 Two students plan a presentationShow transcript (after you try)
Emily: So, for our presentation, I was thinking we focus on renewable energy. William: Hmm, renewable energy's a bit broad, though. Maybe we narrow it down to solar power specifically? Emily: Good point. Solar's easier to find data on, too. William: Exactly. Should we split it? I could take the environmental benefits, and you do the costs. Emily: Actually, I'd rather do the costs myself. I've already got some figures. You take the benefits. William: Sure, that works. And let's ask Doctor Reed if we can present on Thursday instead of Wednesday.
1. What topic do they finally decide on?
Answer: B. Emily first says “renewable energy,” but they agree to narrow it to solar power. Section 3 answers are usually the final decision, not the opening suggestion.
🔑 বাংলায়: Emily প্রথমে “renewable energy” বলে, কিন্তু তারা সংকুচিত করে solar power-এ রাজি হয়। শেষ সিদ্ধান্তই উত্তর। তাই B।
2. Who will talk about the costs?
Answer: A. William offers to take the costs, but Emily says “I'd rather do the costs myself,” so she takes them and he takes the benefits. Watch for a plan that gets swapped mid-conversation.
🔑 বাংলায়: William costs নিতে চায়, কিন্তু Emily বলে “I'd rather do the costs myself” — তাই costs Emily-র। মাঝপথে বদলে যাওয়া পরিকল্পনা খেয়াল করুন। তাই A।
3. What do they want to ask Doctor Reed?
Answer: B. William says, “let's ask Doctor Reed if we can present on Thursday instead of Wednesday.” The key detail is the change of day.
🔑 বাংলায়: William বলে Doctor Reed-কে জিজ্ঞেস করতে — Wednesday-র বদলে Thursday-তে present করা যায় কিনা। মূল বিষয় দিন পরিবর্তন। তাই B।
একক বক্তার একাডেমিক আলোচনা — সংক্ষিপ্তকরণ ও সংক্ষিপ্ত উত্তর
Section 4 is the only section with just one speaker throughout — a lecture or academic talk, with no dialogue to help you track structure. This is Listening's closest relative to Reading's completion tasks, but the sentences are longer and more complex, and technical vocabulary appears for the first time. This chapter's tricks are about following a sustained, formal monologue rather than a conversation.
🎯 By the end of this chapter, you will
use a lecture's own signposted structure ("firstly... secondly... finally...") to track your position
notice when a technical term is defined or rephrased, since this is exactly what completion tasks test
follow a long, complex sentence through to its actual point, rather than losing track partway through
answer Short-Answer Questions with the exact term used, not your own paraphrase
1
Use the Lecture's Own Signposted Structure
What's the trick
Academic lectures usually preview their own structure at the start — "I'll cover three things: firstly... secondly... finally..." — then follow that exact structure. Use this preview as a map for the whole talk, and listen for "firstly/secondly/finally" (or similar) to know which section you're in.
Why it matters for IELTS
A long monologue with no second speaker gives you no other way to check your position — the lecturer's own stated structure is the only signpost you get, and missing the preview means listening "blind" for several minutes.
🔑 বাংলায়: lecture শুরুতেই নিজের গঠন বলে দেয় (firstly/secondly/finally) — এটাকেই মানচিত্র হিসেবে ব্যবহার করো।
Example
"Today I'll explain three things: firstly, how the process works; secondly, why it evolved; and finally, how it's used today." → Expect exactly three sections, in that order.
Try it
🎧 Clip 18.1
📄 Show transcript
This lecture will cover the causes of coral bleaching, followed by its effects on marine ecosystems.
Which topic should you expect to hear about FIRST?
✓ Reveal answer
Answer: The causes of coral bleachingWhy: The preview states causes before effects, in that order — the lecture will follow this exact sequence.🔑 বাংলায়: lecture শুরুতেই নিজের গঠন বলে দেয় (firstly/secondly/finally) — এটাকেই মানচিত্র হিসেবে ব্যবহার করো।
2
Notice When a Technical Term Is Defined or Rephrased
What's the trick
Lectures often introduce a technical term, then immediately explain or rephrase it in plainer words — or vice versa, giving the plain description first and the technical name second. Completion tasks frequently test exactly this pair.
Why it matters for IELTS
A blank asking for a technical term is often answered a few words AFTER the term first appears, once the speaker restates it — catching the rephrasing is often easier than catching the technical word itself the first time.
🔑 বাংলায়: lecture-এ কোনো technical term প্রথমে সহজ ভাষায় বোঝানো হয়, তারপর আসল নামটা বলা হয় — অথবা উল্টো ক্রমেও হতে পারে।
Example
"...the brain calculates this in a fraction of a second. This process is technically known as biosonar." → The plain description comes first, the technical term (biosonar) second.
Try it
🎧 Clip 18.2
📄 Show transcript
Trees planted specifically to reduce noise and air pollution in cities are known as a green buffer.
What is the technical term being defined here?
✓ Reveal answer
Answer: a green bufferWhy: The plain description ("trees planted to reduce noise and air pollution") comes first, and the technical term follows immediately after "are known as."🔑 বাংলায়: lecture-এ কোনো technical term প্রথমে সহজ ভাষায় বোঝানো হয়, তারপর আসল নামটা বলা হয় — অথবা উল্টো ক্রমেও হতে পারে।
3
Follow a Long Sentence Through to Its Actual Point
What's the trick
Academic speech uses longer sentences with embedded descriptive clauses than everyday conversation. Don't lose track partway through — the core fact you need is often at the END of the sentence, after extra context has been given first.
Why it matters for IELTS
Tuning out partway through a long sentence means missing exactly the part most likely to be tested — lecturers tend to build up to their main point, not lead with it.
🔑 বাংলায়: একাডেমিক বাক্য লম্বা হতে পারে, মাঝপথে মনোযোগ না হারিয়ে বাক্যের শেষ পর্যন্ত শোনো — আসল তথ্য প্রায়ই শেষেই থাকে।
Example
"Ancestral bats that could hunt successfully at night, when there was less competition from birds and fewer predators, would have had a significant survival advantage." → The core point arrives only at the end.
Try it
🎧 Clip 18.3
📄 Show transcript
Cities that invested early in cycling infrastructure — despite initial public skepticism and significant short-term cost — have since seen substantially reduced traffic congestion.
What is this sentence's actual main point?
✓ Reveal answer
Answer: Early investment in cycling infrastructure led to reduced traffic congestionWhy: The skepticism and cost are context/qualifiers; the actual reported outcome — reduced congestion — is the core point, arriving at the end.🔑 বাংলায়: একাডেমিক বাক্য লম্বা হতে পারে, মাঝপথে মনোযোগ না হারিয়ে বাক্যের শেষ পর্যন্ত শোনো — আসল তথ্য প্রায়ই শেষেই থাকে।
4
Short-Answer Questions Want the Exact Term
What's the trick
Section 4 Short-Answer Questions often test whether you caught a specific named term, technology, or entity — answer with the EXACT word or phrase used in the lecture, not your own paraphrase of it.
Why it matters for IELTS
Unlike some Reading questions where a paraphrase is expected, Listening short answers are graded on matching the lecture's own wording — a correct-meaning paraphrase can still be marked wrong here.
🔑 বাংলায়: Short-Answer-এ lecture-এ ব্যবহৃত ঠিক শব্দটাই লিখবে — নিজের ভাষায় paraphrase করলে ভুল হতে পারে।
Example
"...researchers have used insights from bat echolocation to improve sonar technology." Question: "What technology has been improved using bat-echolocation research?" → Answer: sonar (technology) — not "underwater detection systems."
Try it
🎧 Clip 18.4
📄 Show transcript
Engineers have studied bat echolocation while designing navigation systems for visually impaired people.
What should you write for "Who are these navigation systems designed for?"
✓ Reveal answer
Answer: visually impaired (people)Why: This is the lecture's own exact phrase — writing "blind people" or another paraphrase risks being marked wrong even though the meaning is close.🔑 বাংলায়: Short-Answer-এ lecture-এ ব্যবহৃত ঠিক শব্দটাই লিখবে — নিজের ভাষায় paraphrase করলে ভুল হতে পারে।
🎧 Track 5 — Echolocation in Bats
1 speaker · Lecturer
Play once
📄 Show transcript
Lecturer: Good morning, everyone. Today I want to talk about echolocation, the remarkable ability many bat species use to navigate and hunt in complete darkness. I'll cover three things: firstly, how echolocation actually works; secondly, why it evolved; and finally, some of the surprising ways researchers are now applying this knowledge.
So, firstly, how does it work? A bat emits a rapid sequence of high-frequency sound pulses, most of which are far too high-pitched for human ears to detect. These pulses travel outward and bounce, or echo, off any object in their path — an insect, a tree branch, a cave wall. The bat's highly sensitive ears then pick up the returning echo, and its brain calculates the object's distance, size, and even texture, all in a fraction of a second. This process is technically known as biosonar, though most people simply call it echolocation.
Secondly, why did this ability evolve in the first place? The leading theory suggests it developed as an adaptation to nocturnal hunting. Around fifty million years ago, ancestral bats that could hunt successfully at night, when there was less competition from birds and fewer predators, would have had a significant survival advantage over those active only during the day. Over time, natural selection favoured increasingly sophisticated echolocation ability.
Finally, let's turn to modern applications. Engineers have studied bat echolocation closely while designing navigation systems for visually impaired people, and some obstacle-detection systems for autonomous vehicles use remarkably similar principles. Perhaps most surprisingly, researchers at one university have even used insights from bat echolocation to improve sonar technology used in submarines.
1
Warm-up — predict before you listen
Prediction
📝 2 minutes, timed — before playing anything
For "Technical name for echolocation: ___" and "Estimated age of this ability: ___", name the TYPE of answer you'd listen for.
✓ Reveal model answer
Model: a technical/scientific term — a number of years
2
Applying it — full summary completion, real timing
Summary Completion
📝 7 minutes — play Track 5 ONCE; write NO MORE THAN TWO WORDS for each answer
Bats navigate in the dark using echolocation, which scientists more precisely label (1)___. The animal sends out high-pitched pulses that reflect back off nearby objects, and from these returning echoes its brain works out not only how far away and how large a thing is, but even its (2)___. This skill is thought to have appeared roughly (3)___ years ago, giving early bats an edge, because hunting after dark meant fewer daytime rivals — chiefly (4)___ — competing with them. More recently, engineers have borrowed the same idea to build guidance devices for people who are (5)___.
(1)
✓ Reveal answer
Answer: biosonarWhy: Trick 2 — the technical term given right after the plain description of how it works.
(2)
✓ Reveal answer
Answer: textureWhy: The lecture lists three things the brain judges — distance, size and texture; the summary paraphrases the first two ("how far away," "how large"), so texture is the property left for this blank — you can't just word-match the list.
(3)
✓ Reveal answer
Answer: fifty millionWhy: Trick 3 — stated partway into a longer sentence about ancestral bats.
(4)
✓ Reveal answer
Answer: birdsWhy: The audio says "less competition from birds and fewer predators" — predators hunt bats rather than compete with them, so the daytime rival the summary asks for is birds, not predators (the built-in trap).
(5)
✓ Reveal answer
Answer: visually impairedWhy: Trick 4 — the lecture's own exact phrase, not a paraphrase like "blind."
3
Applying it — sentence completion, real timing
Sentence Completion
📝 4 minutes — using Track 5; write NO MORE THAN TWO WORDS for each answer
1. A bat's sound pulses are pitched too ___ for the human ear to pick up.
✓ Reveal answer
Answer: high-pitched / highWhy: The lecture says the pulses are "far too high-pitched for human ears to detect" — "pick up" paraphrases "detect," so you match on meaning, not the exact word.
2. As the pulses meet an object, they ___ off it and travel back to the bat as echoes.
✓ Reveal answer
Answer: bounce (/ echo)Why: "these pulses travel outward and bounce, or echo, off any object" — the sentence reorders the idea, so the answer isn't sitting where the audio puts it.
3. Over time, natural ___ favoured bats with ever more refined echolocation.
✓ Reveal answer
Answer: selectionWhy: "natural selection favoured increasingly sophisticated echolocation" — "refined" stands in for "sophisticated," disguising the phrase around the blank.
4
Full task — Short-Answer Questions, real timing
Short-Answer Questions
📝 4 minutes — using Track 5; NO MORE THAN THREE WORDS per answer
1. What kind of vehicles use obstacle-detection systems based on similar principles to bat echolocation?
✓ Reveal answer
Answer: autonomous vehiclesWhy: Trick 4 — the exact term named in the lecture's third section.
2. What underwater technology have researchers improved using insights from bat echolocation?
✓ Reveal answer
Answer: sonar (technology)Why: Named directly, used in submarines — "submarines" alone would not answer what technology was improved.
✚
Extra self-practice — 2 more questions
Structure & Short-Answer
📝 Untimed — for extra practice, individually or as homework
1. According to the lecture's own introduction, what is the SECOND of the three topics the speaker says they'll cover?
✓ Reveal answer
Answer: why echolocation evolvedWhy: Trick 1 — the preview lists how it works, why it evolved, then modern applications, in that order.
2. What were engineers trying to design when they studied bat echolocation, according to the modern-applications section?
✓ Reveal answer
Answer: navigation systems (for visually impaired people)Why: The first modern application named in that section.
🏠 Try this on your own: Find a short English-language documentary clip or academic talk online (3–5 minutes). Before playing it, predict its structure from the title or introduction alone. Play it once, note down the signposting phrases used ("firstly," "moving on," "in conclusion," etc.), and check whether the talk actually followed the structure it previewed.
✅ By the end of this chapter, you can
track a lecture's own signposted structure, notice definitions and rephrased technical terms, follow long sentences to their actual point, and answer Short-Answer Questions with the exact term used.
✨ Extra practice — Academic Lecture (Listening) App only
Listen to a short lecture and complete the notes — like a real Section 4 (the hardest).
How to practise: Play the lecture on the left. This is dense academic speech with one speaker — listen for definitions and the exact terms used. Answer on the right (type the word you hear for gaps, spelling counts), then press “Check my answers.”🔑 যেভাবে অনুশীলন করবেন: বাঁ পাশে lecture চালান। এটি ঘন academic ভাষা, একজন বক্তা — সংজ্ঞা ও সঠিক শব্দ শুনুন। ডান পাশে উত্তর দিন (ফাঁকা ঘরে শোনা শব্দ টাইপ করুন, বানান গোনা হবে), তারপর “Check my answers”-এ চাপ দিন।
Section 4 · Hardest · academic lecture🎧 Urban green spaces & city temperatureShow transcript (after you try)
Today we'll look at urban green spaces and their effect on city temperatures. Research shows that parks and tree-lined streets can lower the surrounding air temperature by as much as four degrees during summer. This cooling effect happens mainly through a process called evapotranspiration, in which plants release water vapour that absorbs heat. Interestingly, the size of a park matters less than its distribution: several small parks spread across a city cool it more effectively than one single large park. Planners now use this finding to design what are known as green corridors, linking small green spaces together to maximise the benefit.
1. Green spaces can lower summer air temperature by up to ___ degrees.
Answer: 4 (four). “…by as much as four degrees during summer.” In Section 4, numbers go by quickly inside long sentences — note them the instant you hear them.
🔑 বাংলায়: “as much as four degrees” — উত্তর 4। Section 4-এ সংখ্যা লম্বা বাক্যের ভেতরে দ্রুত আসে, সাথে সাথে লিখুন।
2. The cooling process is called ___.
Answer: evapotranspiration. Signalled by “a process called…”. Section 4 often defines a hard technical term right after naming it — listen for “called / known as / referred to as.”
🔑 বাংলায়: “a process called…” দিয়ে ইঙ্গিত — evapotranspiration। “called / known as” শুনলে কঠিন term আসছে বুঝবেন।
3. According to the lecture, which cools a city more effectively?
Answer: B. “…the size of a park matters less than its distribution: several small parks … cool it more effectively than one single large park.” The trap is A (“large park”), which is mentioned only to be ruled out.
🔑 বাংলায়: “several small parks … more effectively than one single large park” — উত্তর B। ফাঁদ হলো A (“large park”), যা শুধু বাতিল করার জন্য বলা হয়েছে।
Full🎧
Listening — Full Section Tests
পুরো পরীক্ষার মতো — 4টি section, 40টি প্রশ্ন, আসল IELTS মানে, map ও diagram সহ
Once you've worked through the chapters, sit a full exam-style Listening test: 4 sections, 40 questions, at real IELTS difficulty — original multi-voice audio, auto-scored with a band estimate, and every answer explained in English & Bangla. Across the four tests you practise every IELTS Listening task type — form/note/table/sentence/summary completion, MCQ (single & “choose two”), matching & classification, short answer, and plan/map and diagram/flowchart labelling. 100% original CILL material. Play each recording once, as in the real test.