Prática de Shadowing: Recent IELTS Listening Test 2026 | Construction Materials - Aprenda a falar inglês com vídeo
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You will hear part of a lecture about the use of different building materials.
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First, you have some time to look at questions 31 to 40.
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Thank you.
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Now listen carefully and answer questions 31 to 40.
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Good morning, everybody.
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Can you all hear me?
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Good.
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Well, today I'm going to be talking about construction materials, where they come from and what their properties are.
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First of all, then, what are the sources of the materials we use in construction?
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Well, many of them are manufactured.
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Plastic is one example.
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Others are natural.
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But even naturally occurring materials usually require processing before they can be used.
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Wood, for instance, is rarely used directly from trees.
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Instead, this natural material is first cut into required lengths and then seasoned to remove the excess moisture.
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The result is what we call timber.
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And then timber itself is often treated with preservatives before use, especially if it's going to be used on the outside of a building.
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In a similar way, stone needs to be cut to shape and may also be polished before being used for building.
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Of course, the more processing that's required, the more expensive the material becomes.
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What about selection?
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When we're deciding which kind of material to use, cost is not the only consideration.
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It's important to consider the effect on the environment, too.
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The problem is, large amounts of energy are used.
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For example, it takes huge amounts of energy to produce aluminium, and materials like timber need a lot of energy to transport because of their weight.
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Well, that's enough about sources.
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Let's move on to material properties, and let's first consider appearance.
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Now, there's a vast range of materials used in the building industry, and they vary tremendously in their appearance.
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Even for any single building material, appearance may vary greatly.
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For example, brick and stone come in a very wide range of colours, and can be smooth or very rough.
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And timber is especially interesting because the grain patterns on each piece, even from the same tree, are unique.
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But properties have to be described very accurately for construction purposes, and that usually involves the use of mathematical formulae.
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It isn't enough to say that a particular material is rough or strong or heavy.
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Words are subjective and they can be ambiguous so verbal descriptions alone aren't enough.
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Reflectance is a good example of this.
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Precise values for a range of building materials are available.
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Reflectance is a measure of the ability of a surface to reflect light, and a perfect reflector has a reflectance of one.
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A polished, mirror -like silver surface has a reflectance of very nearly one.
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A plaster surface, which has been painted brilliant white has a reflectance of around
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0 .8 quarry tiles have a reflectance of about 0 .1
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and black velvet has a reflectance of nearly zero well let's
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move on now to another very important property of materials that is the end of part four you now have one
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One minute to check your answers to part four.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação usa o vídeo “Recent IELTS Listening Test 2026”. As palavras que mais se repetem: material, reflectance, timber, example, properties. Este vídeo tem 42 frases e 504 palavras para praticar shadowing. A fala dura 4:46. O falante fala devagar, cerca de 106 palavras por minuto, o que dá tempo para imitar cada som. 84% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.
Vocabulário principal deste vídeo
15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| timber substantivo | /ˈtɪmbɚ/ | madeira |
| polish verbo | /ˈpɑ.lɪʃ/ | polir |
| vary verbo | /ˈvɛəɹi/ | variar |
| vast adjetivo | /væst/ | vasto |
| naturally advérbio | /ˈnæt͡ʃ.(ə.)ɹə.li/ | naturalmente |
| mirror substantivo | /ˈmiɹɚ/ | espelho |
| occur verbo | /əˈkɜː/ | ocorrer, acontecer |
| carefully advérbio | /ˈkɛɹf(ə)li/ | cuidadosamente, cautelosamente |
| formula substantivo | /ˈfɔː.mjʊ.lə/ | fórmula |
| rarely advérbio | /ˈɹɛəɹli/ | raramente |
| smooth adjetivo | /smuːð/ | suave |
| reflect verbo | /ɹɪˈflɛkt/ | refletir |
| consideration substantivo | /kənˌsɪd.əˈɹeɪ.ʃən/ | consideração |
| involve verbo | /ɪnˈvɑlv/ | envolver |
| brick substantivo | /ˈbɹɪk/ | tijolo |
Pronúncia para ficar de olho
O falante usa 4 contrações e formas reduzidas, como aren't, I'm, isn't. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “th”: smooth /smuːð/, mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/
- Os sons de “sh” e “zh”: polish /ˈpɑ.lɪʃ/, consideration /kənˌsɪd.əˈɹeɪ.ʃən/
- Palavras longas — acerte a sílaba tônica: naturally /ˈnæt͡ʃ.(ə.)ɹə.li/, consideration /kənˌsɪd.əˈɹeɪ.ʃən/, mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/, accurately /ˈæk.jə.ɹɪt.li/, aluminium /ˌæl.(j)uˈmɪn.i.əm/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: vast /væst/, reflect /ɹɪˈflɛkt/, brick /ˈbɹɪk/, velvet /ˈvɛlvɪt/
- /l/ final — a língua toca o céu da boca, não vira “u”: mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/, verbal /ˈvɜː.bəl/, tile /ˈtaɪ.əl/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como timber, polish, vary.
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.