跟读练习: Seeking Causes of Honeybee Loss - 通过YouTube学习英语口语
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From VOA Learning English, this is the 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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From VOA Learning English, this is the Agriculture Report.
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New studies have found that a chemical commonly used to fight plant disease is harming honeybees.
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Experts say the chemical may be partly to blame for the widespread loss of honeybees in the United States.
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The insects are important to farmers.
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When a honeybee lands on a flowering plant,
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pollen sticks to its legs.
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When the bee lands on another flower,
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some of the pollen falls off and fertilizes the second plant.
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The act of pollination is important to the growth of many fruits,
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vegetables, nuts and other crops.
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Yet about 30% of honeybees in the United States and other areas have died in recent years.
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Dennis Van Ingelsdorp is a researcher at the University of Maryland.
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He wants to learn why so many bees are dying.
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His research team examined pollen grains that honey bees carried to their hives.
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They found that the pollen contained high levels of 35 different pesticides,
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chemicals used to kill insects.
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They also found that bees that ate some fungicides became infected with a deadly microorganism called Nosema.
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Fungicides are used to protect against fungi and are widely used for agriculture purposes in the United States.
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Mike Leggett studies pesticides for the pest management industry group CropLife America.
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He says many of the pesticides found in the pollen examined by Dennis Van Engelsdorp actually protect bees from Nosema.
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Honeybees are important to agriculture.
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This makes the search for an answer to their deaths especially urgent for Mr. Van Engelsdorp's team.
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As he notes, one in every three bites of food we eat is somehow pollinated by honeybees.
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For VOA Learning English, I'm Laurel Bowman.
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关于本课
在本课中，学习者将通过分析一则关于蜜蜂死亡原因的报道，来提高英语听说能力。通过观看视频，学习者将接触到农业、环境保护以及蜜蜂的重要性等主题。此过程将帮助学习者不仅理解内容，还能增强他们的语言表达能力，并在此情境下进行英语口语练习，提升美国英语的口音与节奏。
重要词汇与短语
- 化学物质 (chemical) - 用于描述可能影响蜜蜂健康的物质。
- 授粉 (pollination) - 蜜蜂在植物间传播花粉的过程。
- 农作物 (crops) - 蜜蜂帮助生长的水果、蔬菜和坚果。
- 杀虫剂 (pesticides) - 用于防治害虫的化学品。
- 真菌剂 (fungicides) - 保护农作物免受真菌感染的化学物质。
- 微生物 (microorganism) - 蜜蜂致命感染的有机体。
- 蜜蜂 (honeybee) - 重要的授粉者，生存受到威胁。
- 害虫管理 (pest management) - 处理农作物害虫影响的行业。
练习提示
在进行英语影子跟读 英语影子跟读 练习时，建议学习者按照以下步骤进行：
- 首先，观看视频并尽量理解内容。可以先观看一遍，不需要太注重每一个单词。
- 返回视频开始，逐句播放，同时注意讲述者的语调、语速和发音。在对照文字的同时，练习模仿讲述者的语音语调。
- 通过练习英语口语练习来提高自信。开始时可以慢慢跟读，再逐步加快速度，达到与讲述者相同的节奏。
- 如果需要，可以暂停视频，反复播放某些句子，直到你可以流利地复述内容。
- 使用shadowspeak 对照内容，记录初次练习时的语音，观察自己的进步，调整发音与语调。
通过这些练习，学习者将逐步提高他们的听说能力，增强在不同情境下的语言运用自如。利用这些材料，努力实现你的英语学习目标！
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。