Shadowing Practice: National Geographic Reading Explorer 2 Unit 11 Smile Trial - Learn English Speaking with Video
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A smile is a powerful thing.
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Did you know that when you smile at someone, they are likely to smile right back?
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But did you also know that a fake smile is one of our most common nonverbal lies?
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Today we are going to test your ability to spot a fake smile.
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One of these smiles is real, and the other is fake.
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Which one do you think is fake?
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If you picked the one on the left, you were correct.
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OK, let's try that again.
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The one on the right is fake.
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Were you surprised?
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It's harder than you thought, right?
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If you didn't get these correct, you're not alone.
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Research showed that people only get the correct answer about 50% of the time.
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So how do you spot a fake smile?
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First, you need to know what a real smile looks like.
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Scientists have learned that a real smile involves the muscles around the eyes.
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A genuine smile is called a Duchenne smile.
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Guillaume Duchenne was a scientist who in the mid-1800s ran experiments to learn about facial expressions.
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He used electricity to move the muscles around people's mouths, making fake smiles.
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Then, he compared them to real smiles by telling his test participants a joke.
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And the difference was clear.
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What he discovered was that a real smile causes the muscles around your eyes to move,
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creating lines or crinkles.
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Scientists now know this is because real smiles are made by the area of the brain related to emotion,
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so our whole face moves.
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But a fake smile is made by a part of the brain called the motor cortex.
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This part controls movements that we choose to make.
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Now that you know the trick, let's see if you can pick out the fake smile. Which smile is real?
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The right or the left?
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Look closely at the eyes.
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The smile on the left is real.
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Want to try another one?
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What do you think?
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See how the skin around the eyes moves?
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The left smile is real.
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Okay, one more.
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Which smile is real?
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right or left.
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Can you see how her eyes are different on the right image?
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That's the real smile.
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel B1 se basa en el vídeo “National Geographic Reading Explorer 2 Unit 11 Smile Trial”. Las palabras que más se repiten: smile, fake, eyes, muscles, scientist. Este vídeo tiene 40 frases y 367 palabras para practicar shadowing. La parte hablada dura 3:13. El hablante mantiene un ritmo constante de unas 114 palabras por minuto, cómodo para el shadowing. El 89 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es fácil de seguir. 13 de sus 40 frases son preguntas, así que sirve para practicar la entonación de las preguntas y las respuestas cortas.
Vocabulario clave de este vídeo
Las 11 palabras más avanzadas del vídeo, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| muscle sustantivo | /ˈmʌs.əl/ | músculo |
| scientist sustantivo | /ˈsaɪəntəst/ | científico, científica |
| trick sustantivo | /ˈtɹɪk/ | truco, artimaña |
| compare verbo | /kəmˈpɛɚ/ | comparar, parangonar |
| discover verbo | /dɪˈskʌvə/ | descubrir |
| experiment sustantivo | /ɪkˈspɛɹ.ə.mənt/ | experimento |
| genuine adjetivo | /ˈd͡ʒɛn.juˌɪn/ | genuino, auténtico |
| involve verbo | /ɪnˈvɑlv/ | involucrar |
| emotion sustantivo | /ɪˈməʊ.ʃən/ | afecto, emoción |
| facial adjetivo | /ˈfeɪ.ʃəl/ | facial, fisonómico |
| participant sustantivo | /pɑːɹˈtɪsəpənt/ | participante, partícipe |
Frases que vale la pena repetir
Frases cortas y completas del vídeo que puedes reutilizar en la conversación diaria:
- Which one do you think is fake?
- It's harder than you thought, right?
- If you didn't get these correct, you're not alone.
- What do you think?
- Can you see how her eyes are different on the right image?
Pronunciación a tener en cuenta
- Los sonidos de “sh” y “zh”: emotion /ɪˈməʊ.ʃən/, facial /ˈfeɪ.ʃəl/
- Palabras largas — cuida el acento: electricity /ɪˌlɛkˈtɹɪsɪti/, experiment /ɪkˈspɛɹ.ə.mənt/, participant /pɑːɹˈtɪsəpənt/
Sonidos difíciles para hispanohablantes:
- /v/ — no es /b/: los dientes tocan el labio inferior: discover /dɪˈskʌvə/, involve /ɪnˈvɑlv/
Cómo practicar con este vídeo
- Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
- Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
- Grábate y compara con el original, prestando atención a palabras como muscle, scientist, trick.
¿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.