跟读练习: High Food Prices, Revolutions, and the Future - 通过YouTube学习英语口语
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This is the VOA Special English Agriculture Report.
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如果句子过短或过长，请点击 Edit 进行调整。
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This is the VOA Special English Agriculture Report.
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Food prices are down from their record highs in February of 2011.
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But prices are still higher than they were a year ago.
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In a year of Arab protests,
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high food prices helped fuel the anger against oppression, corruption and poverty.
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Many experts think the political fires in Egypt and other countries started in the summer of 2010 in Russia.
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Heat, drought and wildfires destroyed one-third of Russia's winter wheat crop.
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World food prices rose after Russia halted wheat exports.
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The last time food prices jumped was in 2008.
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At that time, Egypt was also among the countries where food riots and demonstrations took place.
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Riyadh Naqshbendi is a professor in the Department of International Business at American University in Washington.
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He agrees that food prices played a part in the Arab revolutions.
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At the end of the day,
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the most crucial reason for the Arab Spring is basically economic.
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And so, consequently, when a citizen cannot have enough money to purchase food and feed his family,
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definitely that will create a kind of upset with the system.
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Professor Nakshbendi says an event like climate change can affect food production in many countries.
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But in a globally connected economy,
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even an event in one country can be felt worldwide.
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Cornell University economist Chris Barrett says another problem is that gains in farm production have slowed.
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He says,
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what we are seeing right now is the bitter harvest of
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very poor investments in agriculture research over really the last 20 years.
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Shen Jin Fan is head of the International Food Policy Research Institute in Washington.
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He says the return of high prices in 2011 offers some important lessons.
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If investment in food production does not increase,
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he says, then the world will continue to see high prices,
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and price hikes will come more often.
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He says food supplies are not growing enough to meet the demand of 7 billion people.
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The world is expected to add 2 billion more by the middle of the century.
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And people in emerging economies like China are eating more meat,
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which requires more animal feed.
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But in 2011, for the first time,
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the United States used more maize or corn for biofuels than for animal feed.
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The good news is that high prices always encourage farmers to grow more.
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A record harvest in 2011 is helping to ease food prices in many parts of the world,
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but not all.
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为何要通过此视频练习口语？
此视频探讨了食品价格上涨、政治革命及未来经济问题，提供了一个丰富的语境来练习英语口语。通过观看和模仿视频中的讲话，可以增强您的语音语调并提升您的口语流利度。这种方法被称为shadow speak，在雅思口语练习中尤为有效。通过模仿专业人士的表达方式，您能够更好地掌握句子的结构和表达，同时也能提升您的听力理解能力。
语法与表达在语境中的应用
在此视频中，我们可以识别出几种关键的语法结构和表达方式：
- 条件句：例如，“如果投资在食品生产中不增加，世界将继续看到高价格。”这一结构帮助英语学习者表达假设和条件，适合在雅思口语中使用。
- 时间状语从句：如“在2011年高价格首次回归”强调了时间背景，对于论述事件的因果关系尤为重要。
- 因果关系：表达如“食品供应不足以满足70亿人的需求，这会引发热议”，在讨论复杂话题时非常实用。
常见的发音难点
在观看视频时，您可能会遇到一些发音挑战：
- “wheat” (小麦)：这个词的发音对于许多学习者来说是个难点，确保清晰地发出“wh”音。
- “agriculture” (农业)：这个词有多个音节，学习时要注意重音和连读的影响。
- “economic” (经济的)：该词在快速语速中容易发音不清，反复练习将有助于您更自信地使用该词。
通过shadowing site等资源进行重复练习，将有助于提高您的发音准确率和流畅度，进而在雅思口语考试中取得更好的成绩。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。