跟读练习: Cambridge 8 - Test 2 - Section 3 - Honey Bees in Australia - 通过YouTube学习英语口语
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section three you will hear part of a seminar in which a researcher called grant freeman discusses his work on australian
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section three you will hear part of a seminar in which a researcher called grant freeman discusses his work on australian
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honeybees with a group of students first you have some time to look at questions 21-24
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now listen carefully and answer questions 21-24
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good morning everyone uh in today's seminar grant freeman a biologist who specializes in identifying insects and who works for the australian quarantine
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service has come to talk to us about his current research work right well uh over to you grant good morning everyone i'm sure that you know that the
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quarantine service regulates all food brought into australia well obviously they want to protect australia from diseases that might come
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in with imported goods but they also want to prevent insect pests from being introduced into the country and that's where i have a part to play
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anyway my current research involves trying to find a particular type of bee the asian honey bee and finding out
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whether there are any of them around in various states of australia we discovered a few of them in queensland once and eradicated them
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now we're pretty keen to make sure that there aren't any more getting in particularly to new south wales and other states what's wrong with asian honey bees are
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they so different from australian bees well in fact they look almost the same but they are infested with mites
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microscopic creatures which live on them and which can seriously damage our own home-grown bees or could even wipe them
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out well what would happen if australian bees died out well the honey from australian bees is of excellent quality much better than
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the stuff the asian bees produce in fact australia exports native queen bees to a large number of countries because of this
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when the european honey bee was first discovered out in the bush we found they made really unpleasant honey and they were also too big to pollinate many of
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our native flowers here in australia that must have had a devastating effect on the natural flora did you lose any species
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no we managed to get them under control before that happened but if asian bees got in there could be other consequences
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we could lose a lot of money because you might not be aware but it's estimated that native bees pollination of flower
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and vegetable crops is worth 1.2 billion dollars a year so in a way they're the farmer's friend
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oh and another thing is if you're stung by an asian honey bee it can produce an allergic reaction in some people so they're much more dangerous than native
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bees
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before you hear the rest of the seminar you have some time to look at questions 25 to 30.
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now listen and answer questions twenty five to thirty
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how will you know if asian bees have entered australia we're looking at the diet of the bird called the rainbow bee eater
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the bee eater doesn't care what it eats as long as they're insects but the interesting thing about this bird is that we are able to analyze
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exactly what it eats and that's really helpful if we're looking for introduced insects how come because insects have their skeletons
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outside their bodies so the bee eaters digest the meat from the inside then they bring up all the indigestible
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bits of skeleton and of course the wings in a pellet a small ball of waste material which they cough up that sounds
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a bit unpleasant so how do you go about it in the field we track down the beaters and find their favorite feeding spots you know the places where the birds
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usually feed it's here that we can find the pellets we collect them up and take them back to the laboratory to examine the contents
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how do you do that the pellets are really hard especially if they've been out in the sun for a few days so first of all we treat them by
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adding water to moisten them and make them softer then we pull them apart under the microscope everything's all scrunched up but we're
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looking for wings so we just pull them all out and straighten them then we identify them to see if we can find any asian bee wings and how many have you
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found so far our research shows that asian bees have not entered australia in any number it's a good result and much
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more reliable than trying to find live ones as evidence of introduced insects well that's fascinating thank you grant for those insights i hope that you might
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inspire some of our students here to conduct some similar experiments
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that is the end of section three you now have half a minute to check your answers
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关于本课
在本节课程中，学习者将通过听取关于澳大利亚蜜蜂的讲座来提高自己的英语能力。这段讲座由生物学家Grant Freeman主讲，他将分享有关亚洲蜜蜂对本地生态的影响和研究。他的讲解提供了丰富的科学词汇，使学习者能够在理解内容的同时练习英语表达。通过这种方式，学习者会在语音和语调上有实质性的提升，非常适合准备雅思口语练习的学生。
关键词汇与短语
- 蜜蜂 (bee)
- 生态 (ecology)
- 传粉 (pollination)
- 外来物种 (introduced species)
- 过敏反应 (allergic reaction)
- 虫害 (pests)
- 执法 (regulate)
- 研究 (research)
练习建议
在听这段讲座时，建议学习者使用shadow speak的技巧进行练习。由于Grant Freeman的语速适中，可以模仿他的声调和语调，帮助自己提高口语流利度。在每段发言后，暂停视频，跟读并尝试复制他的发音和重音。这种方法不仅能提高你的听力理解，还能帮助你快速优化口语表达。
另一个有效的练习方式是在看YouTube学英语时，边听边记下关键词汇与短语，并尝试用这些新词造句。这种方法能帮助你在实际对话中更自信地使用新学到的词汇，同时也锻炼了你的构词能力。
如果你正在准备雅思口语练习，建议你每日定时进行这样的练习，以增强记忆和语言应用能力。使用这样的策略，不仅提高了英语水平，也为将来参与更复杂的对话打下了坚实的基础。
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。