跟读练习: Complete Ielts 4 5 WB Unit 9 track 20 21 - 通过视频学习英语口语
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100 句
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Unit 9, Track 20 Hello, Joe.
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Come in and take a seat.
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I wanted to talk to you about your essay on weather control.
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Right.
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What did you think?
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Well, let's start by looking at your introduction.
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You say that global warming is causing extreme weather conditions around the world.
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That's right, isn't it?
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Well, you need to be careful here.
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Yes, there is a lot of evidence that this is the case, but the issue is still controversial.
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You need to specify that many experts believe this is the case, rather than saying this is how it is.
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OK.
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Then you look at the issues surrounding extreme weather, erm, and how it has a negative effect in some countries.
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I was worried that that section was a bit disorganized.
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No, not at all.
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It's very good.
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But I was slightly surprised when, in the same paragraph, you mentioned an advantage of extreme weather.
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Not the right place for it?
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Not really, no. In fact, I would question the need to put it there at all.
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At one point you're talking about droughts,
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hurricanes, floods, etc. And then suddenly you're talking about people being able to sunbathe on the beach in January.
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Ah, I see what you mean.
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I think I was going to elaborate on that, add more information, but I guess I forgot to do so.
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Okay.
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Then there's the section on weather control programs.
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'This made interesting reading, but your ideas didn't really lead on from each other.'
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Did you write a plan before you did this?
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Err.. no. Well, you really ought to.
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Here's an example.
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You talk about experiments to control hurricanes.
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Then you write about rain making experiments.
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And then for no apparent reason you go back to talking about hurricane control.
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So, a bit messy?
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A bit, yes.
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Next you go on to talk about something called cloud seeding.
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Great, you gave a good, clear explanation about what cloud seeding is, that it's a way of using science and chemistry to make clouds produce rain
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and you give some examples of where it's been used.
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So that section's alright?
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Ah, well, listen to this.
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The chemical silver nitrate is introduced into clouds to encourage them to produce rain.
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silver nitrate Oh, that was careless.
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I meant silver iodide.
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Exactly.
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I would hate to think what might happen if you started firing silver nitrate into clouds.
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Ha!
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Ha!
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Okay.
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Finally, the conclusion.
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I always have problems with the conclusion.
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I never really know what to say.
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Well, you summarise your main points and give a few opinions, which is great.
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But you then start talking about environmental systems.
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This was not only in the wrong place, but I couldn't see where it fitted in with the rest of the essay generally.
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Right, so there's a bit of room for improvement then.
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Unit 9, Track 21.
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Alright, let's go back to the section in your essay on cloud seeding.
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Apart from your silver nitrate, silver iodide mistake, you've missed a few bits out. Have I?
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I'm afraid so.
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What I'd like you to do is talk me through the process of cloud seeding, what it involves and so on.
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And I'll stop you if you've forgotten something.
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Okay?
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Fine.
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Well, first of all, silver nitri - er, iodide, is fired into the cloud from the ground using a rocket.
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Good And you could mention that sometimes it's dropped from above by aircraft.
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Right.
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And this is the first stage, the primary stage, which is called static seeding.
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The silver iodide causes a chemical reaction with the tiny water drops in the cloud and they freeze.
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Okay, so you've got millions of tiny ice particles because the water droplets in the cloud freeze.
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What happens next?
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Next, there's a process called rhyming.
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R -I -M -I -N -G.
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That's when the ice particles, well, they join up to form bigger pieces of ice, and when they're heavy enough,
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they fall from the sky.
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Good and then Well, as they fall, they turn to rain or snow, And, uh...
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Well, that's it, isn't it?
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Well, usually, yes, but you've mentioned that there's a first stage, a primary stage, so surely you should have mentioned...
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Oh, the secondary stage!
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Which is known as?
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Dynamic seeding, of course.
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How could I have left that bit out?
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Let me think.
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Okay, so the water droplets turn to ice and...
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Uh...
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What happens when water freezes, when anything freezes for that matter?
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Something that may seem surprising?
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Oh, of course.
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It releases heat.
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Mm -hmm, exactly.
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It releases heat.
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And what can happen to a cloud when freezing water inside it does this?
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The cloud gets bigger and contains even more moisture.
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Exactly.
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And not only do they become bigger, but they also...
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They, uh...
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Produce storms.
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No, hang on, that's not right.
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They last longer, that's it.
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Right.
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They last longer.
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Which means they can be seeded again to produce even more rain.
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为什么要通过这个视频练习口语？
通过观看和模仿本视频中的对话，您可以在现实场景中提升自己的英语口语表达能力。视频中的讨论围绕气候控制和极端天气，这些都是全球关注的热点话题。通过模仿说话者的语言使用，您可以学习如何在正式场合清晰表达自己的观点。此外，您还可以通过英语影子跟读的方法，将自己的发音、语调和表达方式与视频中的示范相结合，从而增强实际交流能力。
语法与表达的语境
在视频中，发言者使用了一些关键的语法结构和表达方式，以下是几点分析：
- 被动语态: 例如 “被引入云中” （is introduced into clouds），这强调了动作的接受者而非动作的执行者，适用于科学描述。
- 条件句: “如果你开始……会有什么后果” （if you started firing...），这种结构对于讨论假设和可能性非常有效。
- 对比连接词: “另一方面” （on the other hand）和“同样” （similarly）等词的使用，有助于对比不同观点，有效组织文章结构。
这些结构不仅适用于雅思口语练习，也能在学术写作中起到重要作用，帮助您更清晰地表达复杂观点。
常见发音陷阱
视频中存在一些发音挑战，学习者在模仿时需特别注意：
- “silver iodide”（碘化银）和“silver nitrate” （硝酸银）的发音区分，后者在视频中被错误提及，可能会导致混淆。
- 在快速说话中，“hurricanes” 和“droughts” 等词，容易因发音不清而被误解，尤其是在与其他单词连接时。
- “cloud seeding” 这个术语，可能对非母语者构成挑战，因此需要反复练习以确保流利。
通过不断的练习和shadow speak，您可以克服这些发音陷阱，提高口语流利度。这个视频不仅是雅思口语练习的好帮手，也是增强听说能力的理想选择。
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | it's been · you've missed · you've forgotten |
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | is introduced · is fired · is called |
| 定语从句 who / which + 从句 — 补充说明人或事物 | opinions, which is · stage, which is |
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。