Pratica di Shadowing: Bài 6 - Cà Chua Tím - Impara a parlare inglese con i video
Creazione lezione...
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This is 6 Minute English from bbclearningenglish.com.
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Hello, I'm Rob.
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Welcome to 6 Minute English.
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With me today is Finn.
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Hello, Finn.
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Hello, Rob.
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Now, Finn, I'd like to start by asking you a question.
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Would you eat a purple-coloured tomato?
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Purple.
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Well, that depends.
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Is it a naturally-coloured tomato?
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Where does it come from?
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Is this an artificial tomato?
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Rob, tell me more.
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Artificial, yes.
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You mean, is it man-made and trying to copy something that is natural?
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Well, in a way, yes, because scientists have developed a genetically modified purple tomato.
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They took red tomato plants and changed their genetic patterns, so they now produce new purple tomatoes.
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Yes, so this would be an example of GM, genetically modified food.
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It's something we'll be discussing more soon and, of course, looking at some related vocabulary.
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But here's another question for you, Finn, that hasn't been modified or changed in any way.
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Not a GM question.
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No. GM food has been researched and experimented with for many years,
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but do you know when the first genetically modified food was first sold commercially? Was it in A.
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1974, B.
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1984 or C.
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1994?
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Well, we think of GM food as a recent thing, so I'll say the opposite.
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A 1974.
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Okay we'll find out if you're right later on.
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Now let's talk more about genetically modified food or GM food.
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It's called this because the food's genes have been changed.
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This means the way it grows is different from the way it grows when it isn't touched by humans.
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Yes so growing GM food or crops is quite controversial.
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Some Some scientists think it's needed to meet the world's growing demand for food.
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Yes, GM food can resist or stop the effects of some pests or bad weather.
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It can grow more quickly, meaning even more crops can be cultivated or grown.
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But opponents of GM food, people who argue against it, say we don't know enough about its effect on the environment.
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And then there are the fears about who controls what's grown.
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Yes, but despite this, GM food has become an important part of food production.
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Crops like sweet corn, rape plants, wheat and tomatoes have all been genetically modified.
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Yes, like the purple tomato, which was recently developed in the UK.
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It has a dark pigment or colour which gives it the same potential health benefits as blueberries.
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Well, that sounds like a good thing.
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And not only that, it has an antioxidant.
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That's a substance that stops the decaying process, which tests show could help fight cancer.
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One day we could see these purple tomatoes on pizzas or in our tomato ketchup.
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Let's hear from Professor Cathy Martin, who's a plant biologist from the John Innis Centre, who developed this tomato.
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What does she say is good about this new food?
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So with these purple tomatoes you can get the same compounds
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that are present in blueberries and cranberries that give them their health benefits,
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but you can apply them to foods that people actually eat in significant amounts and that are reasonably affordable.
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So, she says, the good thing about this development is we can get health benefits from something we eat significant amounts of,
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so lots of, and they will be reasonably affordable, so it'll be cheap.
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Yes, but there's still maybe a problem with the colour.
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We are affected by the colour of stuff we put in our mouths.
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I mean, who eats blue food?
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That's true.
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And also, because the European Union has restrictions on growing GM food, this tomato has to be grown in Canada,
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where rules are more supportive of GM foods.
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OK.
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Well, Professor Nick Pidgeon, who is an environmental psychologist, says In the UK, there is some distrust of GM food.
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He says some people are concerned all this is messing with nature, it's not natural, and maybe we don't know what the long-term consequences are.
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And a big concern is that large corporations will have control over the technology,
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and this could mean they control food prices too.
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You know, Rob, I think this is a debate that will just go on and on and on.
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Indeed.
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But it's now time to reveal the answer to today's question.
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OK.
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Earlier, I asked you if you knew when the first genetically modified food was first sold commercially.
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I said A 1974.
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Interesting.
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The answer is actually 1994.
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Oh, come on.
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OK.
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A company called Calgene sold a product that delayed the ripening of tomatoes.
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Oh, OK.
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Well, I guess that means the fruit could last longer and it would stop it going soft.
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That was the idea.
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Now, before we go, Finn, could you remind us of some of the vocabulary that we've heard today?
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Yes, I will.
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Artificial.
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Genetically modified.
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Genes.
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Resist.
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Pests.
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Cultivated.
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Pigment.
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Antioxidant.
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Significant.
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Affordable.
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Distrust.
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Ripening.
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Well, that brings us to the end of today's Six Minute English.
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We hope you've enjoyed today's programme.
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Please join us again soon.
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Bye-bye.
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Bye.
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That was Six Minute English from bbclearningenglish.com.
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Obiettivi di parlato per questo clip
Questo video è perfetto per rafforzare la fluency nella discussione di argomenti scientifici e attuali, come l'alimentazione genetica. Attraverso il dialogo tra Rob e Finn, imparirai a esprimere dubbi, fare domande e discutere vantaggi e svantaggi in modo naturale. È anche ottimo per esercitare il shadowing in inglese: ascolta e ripeti le frasi a tempo, per migliorare l'intonazione e la pronuncia.
Banca di frasi riutilizzabili
- "That depends" – "Dipende" (utile per esprimere una risposta non immediata).
- "Is it a naturally-coloured tomato?" – "È un pomodoro di colore naturale?" (per chiedere informazioni su un oggetto).
- "GM food has been researched and experimented with for many years" – "Gli alimenti GM sono stati studiati e sperimentati per molti anni" (per parlare di temi scientifici).
- "Some scientists think it's needed to meet the world's growing demand for food" – "Alcuni scienziati pensano che sia necessario per soddisfare la crescente domanda mondiale di cibo" (per esprimere un punto di vista).
Correggi i tuoi punti deboli
Il video aiuta a migliorare la rhythm (ritmo) nelle frasi lunghe, come quelle che parlano di genetica o di benefici per la salute. Molte espressioni, come "genetically modified" o "antioxidant", hanno una pronuncia specifica: con lo shadow speak, puoi imitare la pronuncia di Rob e Finn, evitando errori di accento. Ricorda: ripeti ogni frase subito dopo averla sentita, cercando di corrispondere al tono e alla velocità. Questo esercizio, chiamato shadowing, è fondamentale per rendere il tuo parlato più fluido e naturale. Non ti preoccupare se alla fine non riesci a capire tutto: l'importante è imitare e esercitarti costantemente!
La grammatica di questo video
Le strutture che chi parla usa di più, con le parole esatte del video:
| Struttura | Nel video |
|---|---|
| Forma passiva be + participio passato — conta ciò che accade, non chi lo fa | been modified · has been researched · have been changed |
| Present perfect have/has + participio passato — un’azione passata che conta ancora adesso | have developed · hasn't been modified · has been researched |
| Frasi relative who / which + frase — un’informazione in più su una persona o una cosa | people who argue · tomato, which was |
| Futuro con “will” will + verbo — una decisione, una promessa o una previsione | we'll be · I'll say · we'll find |
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.