跟读练习: Cambridge 13 Test 1 Section 3 Listening - 通过视频学习英语口语

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Section 3.

You will hear two biology students called Emma and Jack discussing an experiment they are going to do together.

First, you have some time to look at questions 21 to 25.

Now listen carefully and answer questions 21 to 25.

We've got to choose a topic for our experiment, haven't we, Jack?

Were you thinking of something to do with seeds?

That's right.

I thought we could look at seed germination, how a seed begins to grow.

OK.

Any particular reason?

I know you're hoping to work in plant science eventually.

Yeah, but practically everything we do is going to feed into that.

No, there's an optional module on seed structure and function in the third year that I might do.

So I thought it might be useful for that.

If I choose that option, I don't have to do a dissertation module.

Good idea.

Well, I thought for this experiment, we could look at the relationship between seed size

and the way the seeds are planted so we could plant different sized seeds in different ways and see which grow best.

OK.

Would need to allow time for the seeds to come up.

That should be fine if we start now.

A lot of the other possible experiments need quite a bit longer.

So that'd make it a good one to choose.

And I don't suppose it'd need much equipment.

We're not doing chemical analysis or anything though that's not really an issue.

We've got plenty of equipment in the laboratory.

Yeah, we need to have a word with the tutor if we're going to go ahead with it, though.

I'm sure our aim's OK.

It's not very ambitious, but the assignment's only 10 % of our final mark, isn't it?

But we need to be sure we're the only ones doing it.

Yeah, it's only 5 % actually, but it'd be a bit boring if everyone was doing it.

Did you read that book on seed germination on our reading list?

The one by Graves?

Hmm.

I looked through it for my last experiment, though it wasn't all that relevant there.

It would be for this experiment, though.

I found it quite hard to follow, lots about the theory which I hadn't expected.

Yes, I'd been hoping for something more practical.

It does include references to the recent findings on genetically modified seeds, though.

Yes, that was interesting.

I read an article about seed germination by Lee Hall.

About seeds that lie in the ground for ages and only germinate after a fire.

That's the one.

I knew a bit about it already, but not about this research.

His analysis of figures comparing the times of the fires and the proportion of seeds that germinated

was done in a lot of detail.

Very impressive.

Was that the article with the illustrations of early stages of plant development?

They were very clear.

I think those diagrams were in another article.

Before you hear the rest of the discussion, you have some time to look at questions 26 -30.

Now listen and answer questions 26 to 30.

Anyway, shall we have a look at the procedure for our experiment?

We'll need to get going with it quite soon.

Right.

So the first thing we have to do is find our seeds.

I think vegetable seeds would be best.

And obviously they mustn't all be the same size.

So how many sorts do we need?

About four different ones?

I think that would be enough.

There'll be quite a large number of seeds for each one.

Then for each seed we need to find out how much it weighs and also measure its dimensions.

And we need to keep a careful record of all that.

That'll be quite time -consuming.

And we also need to decide how deep we're going to plant the seeds, right on the surface a few millimetres down or several centimetres.

OK, so then we get planting.

Do you think we can plant several seeds together in the same plant pot?

No, I think we need a different one for each seed.

Right.

And we'll need to label them.

We can use different coloured labels.

Then we wait for the seeds to germinate.

I reckon that'll be about three weeks, depending on what the weather's like.

Then we see if our plants have come up and write down how tall they've grown.

Then all we have to do is look at our numbers and see if there's any relation between them.

That's right.

That is the end of Section 3.

You now have half a minute to check your answers.

Now turn to section 4.

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FOR YOU

本课的词汇与口语要点

这节口语课以视频“Cambridge 13 Test 1 Section 3 Listening”为素材。视频中反复出现的词有：seed, experiment, plant, questions, germination。这段视频共有 80 个句子、765 个单词可供跟读。讲话部分时长为 7:02。说话人语速较慢，每分钟约 109 个词，你有足够的时间模仿每一个音。 84% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。

视频中的重点词汇

视频中 15 个值得学习的单词，附发音和释义：

单词	发音	释义
seed 名词	/siːd/	種子 /种子, 種 /种
experiment 名词	/ɪkˈspɛɹ.ə.mənt/	實驗 /实验
label 名词	/ˈleɪ.bəl/	標籤 /标签, 簽條 /签条
module 名词	/ˈmɑd͡ʒul/	模塊 /模块
topic 名词	/ˈtɑpɪk/	主題 /主题, 話題 /话题
practical 形容词	/ˈpɹæk.tɪ.kəl/	使用的, 實用 /实用
impressive 形容词	/ɪmˈpɹɛsɪv/	令人印象深刻
carefully 副词	/ˈkɛɹf(ə)li/	小心地
compare 动词	/kəmˈpɛɚ/	比, 比較 /比较
procedure 名词	/pɹəˈsiː.d͡ʒə/	做法, 方法
laboratory 名词	/ˈlæb(ə)ɹəˌtɔɹi/	實驗室 /实验室
relation 名词	/ɹɪˈleɪʃ(ə)n/	關係 /关系
biology 名词	/baɪˈɑ.lə.d͡ʒi/	生物學 /生物学
depend 动词	/dɪˈpɛnd/	信任, 信賴 /信赖
practically 副词	/ˈpɹæk.tɪ.k(ə.)li/	事實上 /事实上

视频中出现的短语动词

单词	释义
come up 动词	上來 /上来
find out 动词	找出, 查明
write down 动词	寫下來 /写下来, 寫下 /写下

值得反复跟读的句子

视频中简短而完整的句子，可以直接用在日常对话里：

Were you thinking of something to do with seeds?
We've got plenty of equipment in the laboratory.
Did you read that book on seed germination on our reading list?
Yes, I'd been hoping for something more practical.
Anyway, shall we have a look at the procedure for our experiment?

需要注意的发音

说话人用了 25 次缩略和弱读形式，例如 we're, don't, it'd。请按听到的简短形式来说。

“sh” 和 “zh” 音: relation /ɹɪˈleɪʃ(ə)n/, proportion /pɹəˈpɔɹʃən/, dimension /daɪˈmɛn.ʃən/, ambitious /æmˈbɪʃ.əs/, illustration /ˌɪləsˈtɹeɪ̯ʃən/
长单词——注意重音位置: experiment /ɪkˈspɛɹ.ə.mənt/, laboratory /ˈlæb(ə)ɹəˌtɔɹi/, biology /baɪˈɑ.lə.d͡ʒi/, practically /ˈpɹæk.tɪ.k(ə.)li/, illustration /ˌɪləsˈtɹeɪ̯ʃən/

中文母语者容易读错的音：

/v/ — 不要读成 /w/，上齿轻触下唇: impressive /ɪmˈpɹɛsɪv/, vegetable /ˈvɛd͡ʒ.tə.bəl/
词尾辅音 — 要读清楚，后面不要加元音: seed /siːd/, experiment /ɪkˈspɛɹ.ə.mənt/, topic /ˈtɑpɪk/, impressive /ɪmˈpɹɛsɪv/, depend /dɪˈpɛnd/
/r/ 和 /l/ 的区别: practical /ˈpɹæk.tɪ.kəl/, carefully /ˈkɛɹf(ə)li/, laboratory /ˈlæb(ə)ɹəˌtɔɹi/, relation /ɹɪˈleɪʃ(ə)n/, practically /ˈpɹæk.tɪ.k(ə.)li/

如何用这段视频练习

先完整听一遍视频，不要开口，记下不认识的单词。
用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
录下自己的声音并与原声对比，特别注意 seed, experiment, label 这类单词。

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。

影子跟读法: 阅读完整分步指南 →

跟读练习: Cambridge 13 Test 1 Section 3 Listening - 通过视频学习英语口语

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