Shadowing Practice: Recent IELTS Listening Test 2026 | Construction Materials - Learn English Speaking with Video

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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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Vocabulario y notas de pronunciación para esta lección

Esta lección de conversación se basa en el vídeo “Recent IELTS Listening Test 2026”. Las palabras que más se repiten: material, reflectance, timber, example, properties. Este vídeo tiene 42 frases y 504 palabras para practicar shadowing. La parte hablada dura 4:46. El hablante habla despacio, unas 106 palabras por minuto, así que hay tiempo para imitar cada sonido. El 84 % de las palabras está entre las 3.000 más comunes del inglés; conviene repasar el resto antes de empezar.

Vocabulario clave de este vídeo

15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:

PalabraPronunciaciónSignificado
timber sustantivo/ˈtɪmbɚ/madera, leña
polish verbo/ˈpɑ.lɪʃ/pulir, acicalar
vary verbo/ˈvɛəɹi/variar
vast adjetivo/væst/vasto, enorme
naturally adverbio/ˈnæt͡ʃ.(ə.)ɹə.li/naturalmente, a natura
mirror sustantivo/ˈmiɹɚ/espejo
occur verbo/əˈkɜː/ocurrir
carefully adverbio/ˈkɛɹf(ə)li/cuidadosamente
formula sustantivo/ˈfɔː.mjʊ.lə/fórmula
rarely adverbio/ˈɹɛəɹli/rara vez, raramente
reflect verbo/ɹɪˈflɛkt/reflejar, reflectar
greatly adverbio/ˈɡɹeɪ̯t.li/grandemente, enormemente
consideration sustantivo/kənˌsɪd.əˈɹeɪ.ʃən/consideración
involve verbo/ɪnˈvɑlv/involucrar
brick sustantivo/ˈbɹɪk/ladrillo, tabique

Pronunciación a tener en cuenta

El hablante usa 4 contracciones y formas reducidas, como aren't, I'm, isn't. Dilas en su forma corta, tal como las oyes.

  • Los sonidos de “th”: smooth /smuːð/, mathematical /ˌmæθ(.ə)ˈmæt.ɪ.kəl/
  • Los sonidos de “sh” y “zh”: polish /ˈpɑ.lɪʃ/, consideration /kənˌsɪd.əˈɹeɪ.ʃən/
  • Palabras largas — cuida el acento: 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/

Sonidos difíciles para hispanohablantes:

  • /v/ — no es /b/: los dientes tocan el labio inferior: vary /ˈvɛəɹi/, vast /væst/, involve /ɪnˈvɑlv/, verbal /ˈvɜː.bəl/, subjective /səbˈd͡ʒɛktɪv/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
  3. Grábate y compara con el original, prestando atención a palabras como timber, polish, vary.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →