Pratique du Shadowing: Diseases Attack Cassava Crops in East and Central Africa - Apprendre l'anglais à l'oral avec YouTube

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From VOA Learning English, this is the Agriculture Report.
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From VOA Learning English, this is the Agriculture Report.
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Cassava is a very important crop in many countries.
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More than 160 million people across Africa depend on the plant for food or to earn money.
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The continent produces 60% of the world's cassava.
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In May, the United Nations Food and Agriculture Organization reported
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that cassava production had increased by 60% worldwide since 2000.
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Agriculture experts had been expecting world cassava production to grow even more during the next 10 years.
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But those expectations have been crushed.
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Plant diseases are attacking cassava crops in East and Central Africa.
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Two diseases are the cassava brown streak virus and the cassava mosaic virus.
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The Food and Agriculture Organization says brown streak disease does more damage since it affects the root of the crop.
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Luca Alanovi is the acting director of the FAO in East and Central Africa.
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He says the agency has taken steps to improve the situation,
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but the problem is not getting better.
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He says decisions on how to handle the problem
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will have a huge impact on the food security of people in Central Africa.
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Dominique Davout heads the European Union Rural Development and Agricultural Program in Kenya.
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She says the cassava diseases have changed over the years.
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She says early research slowed the disease,
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but the disease changed form,
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and new research is needed.
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The FAO says at least $100 million is needed to study the diseases and support clean farm production.
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Experts say failure to stop the disease means cassava disease will likely invade Nigeria,
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the biggest producer of cassava in Africa.
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For VOA Learning English, I'm Carolyn Prasuti.

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About This Lesson

In this lesson, learners will practice speaking and listening skills through the context of agriculture, specifically focusing on the challenges facing cassava crops in East and Central Africa. By engaging with the content of the transcript, learners will enhance their vocabulary related to plant diseases and agricultural practices, as well as develop a deeper understanding of issues affecting food security. This lesson is particularly beneficial for those preparing for IELTS speaking practice, as it touches on relevant topics of global importance.

Key Vocabulary & Phrases

  • Cassava: A tropical plant grown for its edible starchy roots.
  • Food security: The state of having reliable access to a sufficient quantity of affordable, nutritious food.
  • Plant diseases: Illnesses that affect plants, reducing their growth, yield, or quality.
  • Brown streak virus: A disease that severely impacts cassava by damaging its roots.
  • Mosaic virus: A type of virus that causes mottling and discoloration in leaves of plants.
  • Agricultural experts: Professionals who provide knowledge and advice related to farming and food production.
  • Research: The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.
  • Support clean farm production: Endeavors to promote farming practices that are safe for the environment and public health.

Practice Tips

As you work through the transcript, consider using a shadowing app or the shadow speak technique to improve your speaking skills. Shadowing involves listening to a speaker and simultaneously attempting to imitate their speech, which can be particularly effective when practicing with this specific video that features clear, coherent speech at a steady pace. Start by listening to short sections of the transcript aloud, focusing on the pronunciation and intonation of key vocabulary. Gradually extend the length of the sections you practice. The informative tone of the speaker can enhance your IELTS speaking practice by helping you learn how to convey information clearly and persuasively.

Additionally, be mindful of the context when practicing shadow speech. Understanding the subject matter not only aids in comprehension but also enriches your responses if similar topics arise during speaking tests or discussions. Remember to pause and repeat sentences to reinforce your learning and boost your confidence in using new vocabulary in conversations related to agricultural themes.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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