Prática de Shadowing: IELTS Cambridge Book 15 Listening Test 4 Part 3 Questions with Audioscripts - Aprenda a falar inglês com vídeo

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IELTS 15.
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Test 4.
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Part 3.
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You will hear two students of social history called Annie and Jack discussing their presentation about refrigeration.
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OK, Jack.
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Before we plan our presentation about refrigeration, let's discuss what we've discovered so far.
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Fine, Annie.
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Though I have to admit I haven't done much research yet. Nor me.
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But I found an interesting article about ice houses.
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I'd seen some 18th and 19th century ones here in the UK, so I knew they were often built in a shady area or underground,
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close to lakes that might freeze in the winter.
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Then blocks of ice could be cut and stored in the ice house.
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But I didn't realise that insulating the blocks with straw or sawdust meant they didn't melt for months.
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The ancient Romans had refrigeration too.
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I didn't know that.
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Yes.
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Pits were dug in the ground and snow was imported from the mountains, even though they were at quite a distance.
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The snow was stored in the pits.
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Ice formed at the bottom of it.
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Both the ice and the snow were then sold.
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The ice cost more than the snow, and my guess is that only the wealthy members of society could afford it.
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I wouldn't be surprised.
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I also came across an article about modern domestic fridges.
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Several different technologies are used, but they were too complex for me to understand.
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You have to wonder what happens when people get rid of old ones.
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You mean because the gases in them are harmful for the environment?
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Exactly.
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At least there are now plenty of organisations that will recycle most of the components safely.
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But of course, some people just dump old fridges in the countryside.
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It's hard to see how they can be stopped, unfortunately.
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In the UK, we get rid of three million a year altogether.
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That sounds a lot.
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Especially because fridges hardly ever break down.
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That's right.
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In this country we keep domestic fridges for eleven years on average, and a lot lasts for twenty or more.
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So if you divide the cost by the number of years you can use a fridge, they're not expensive, compared with some household appliances.
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True.
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I suppose manufacturers encourage people to spend more by making them different colours and designs.
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I'm sure when my parents bought their first fridge, they had hardly any choice.
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Yes, there's been quite a change.
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Right, let's make a list of topics to cover in our presentation and decide who's going to do more research on them.
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Then later we can get together and plan the next step.
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OK.
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How about starting with how useful refrigeration is,
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and the range of goods that are refrigerated nowadays because of course it's not just food and drinks.
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No, I suppose flowers and medicines are refrigerated too. And computers.
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I could do that, unless you particularly want to.
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No, that's fine by me.
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What about the effects of refrigeration on people's health?
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After all, some of the chemicals used in the 19th century were pretty harmful, but there have been lots of benefits too, like always having access to fresh food.
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Do you fancy dealing with that?
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I'm not terribly keen, to be honest.
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Hmm, nor me.
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My mind just goes blank when I read anything about chemicals.
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Oh, all right then.
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I'll do you a favour.
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But you owe me, Jack.
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OK.
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What about the effects on food producers?
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Like farmers in poorer countries being able to export their produce to developed countries.
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Something for you, maybe?
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I don't mind.
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You should be quite interesting.
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I think we should also look at how refrigeration has helped whole cities,
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like Las Vegas, which couldn't exist without refrigeration because it's in the middle of a desert.
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Right.
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I had a quick look at an economics book in the library that's got a chapter about this sort of thing.
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I could give you the title if you want to do this section?
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Not particularly, to be honest.
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I find economics books pretty heavy going as a rule.
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OK, leave it to me then.
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Thanks.
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Then there's transport and the difference that refrigerated trucks have made.
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I wouldn't mind having a go at that.
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Don't forget trains too.
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I read something about milk and butter being transported in refrigerated railroad cars in the USA right back in the 1840s.
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I hadn't thought of trains, thanks.
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Shall we have a separate section on domestic fridges?
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After all, they're something everyone's familiar with.
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What about splitting it into two?
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You could investigate 19th and 20th century fridges, and I'll concentrate on what's available these days,
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and how manufacturers differentiate their products from those of their competitors.
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OK, that'd suit me.

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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível B2 usa o vídeo “IELTS Cambridge Book 15 Listening Test 4 Part 3 Questions with Audioscripts”. As palavras que mais se repetem: fridge, refrigeration, ice, refrigerated, snow. Este vídeo tem 83 frases e 785 palavras para praticar shadowing. A fala dura 4:56. O falante fala em ritmo natural, cerca de 159 palavras por minuto, próximo de uma conversa do dia a dia. Apenas 80% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

As 15 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
refrigeration substantivorefrigeração
refrigerate verbo/ɹɪˈfɹɪd͡ʒəɹeɪt/refrigerar
harmful adjetivo/ˈhɑɹmfl̩/prejudicial, nocivo
appliance substantivo/əˈplaɪ.əns/dispositivo
insulate verbo/ˈɪnsʊleɪt/isolar
recycle verbo/ɹəˈsaɪkəl/reciclar
differentiate verbo/dɪf.əˈɹɛn.ʃi.eɪt/diferenciar, distinguir
shady adjetivo/ˈʃeɪdi/sombroso, umbroso
competitor substantivo/kəmˈpɛt.ɪ.tɚ/competidor, adversário
countryside substantivo/ˈkʌn.tɹiˌsaɪd/roça, interior
melt verbo/mɛlt/derreter, fundir
straw substantivo/stɹɔ/palha
concentrate verbo/ˈkɑn.sən.tɹeɪt/concentrar
altogether advérbio/ɔl.tuˈɡɛð.ɚ/completamente
dump verbo/dʌmp/largar

Phrasal verbs que você vai ouvir

PalavraSignificado
get together verboreunir

Frases que vale a pena repetir

Frases curtas e completas do vídeo que você pode usar na conversa do dia a dia:

  • You mean because the gases in them are harmful for the environment?
  • No, that's fine by me.
  • What about the effects of refrigeration on people's health?
  • Do you fancy dealing with that?
  • Shall we have a separate section on domestic fridges?

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

EstruturaNo vídeo
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazwere often built · could be cut · were dug
Present perfect have/has + particípio passado — uma ação passada que ainda importa agorawe've discovered · haven't done · there's been

Pronúncia para ficar de olho

O falante usa 19 contrações e formas reduzidas, como didn't, don't, I'll. Diga-as na forma curta, do jeito que você ouve.

  • Os sons de “sh” e “zh”: differentiate /dɪf.əˈɹɛn.ʃi.eɪt/, shady /ˈʃeɪdi/
  • Palavras longas — acerte a sílaba tônica: refrigerate /ɹɪˈfɹɪd͡ʒəɹeɪt/, differentiate /dɪf.əˈɹɛn.ʃi.eɪt/, competitor /kəmˈpɛt.ɪ.tɚ/, altogether /ɔl.tuˈɡɛð.ɚ/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como refrigeration, refrigerate, harmful.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →