跟讀練習: Cambridge 19 listening test 3 section 3 - 通過影片學習英語口語

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82 句

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Hi Jake, how are you getting on with the practical teaching?

It's harder than I expected, but I've got some great classes.

How about you?

Not brilliant.

I'm really struggling with my Year 12 science class.

Are they hard to control?

Well, I don't have discipline problems as such.

It's just that they don't seem to think that science has anything to do with their lives.

It's depressing.

They listen to what I say and I gave them a test last week and the results weren't too bad.

But there's no real engagement.

Right.

And as part of my teaching practice, I have to design an experiment for them to do.

I was wondering about something on the children's diets, you know, asking them to record what they eat and maybe linking it to their state of health.

Hmm, let's think.

So your methodology would involve the children recording what they eat, OK, but you'd also need to have access to the children's medical records,

and I don't think people would be happy about that.

Confidentiality would be an issue.

If you could get the right data, the conclusions might be significant, but I suspect it's not going to be easy.

Right.

Have you thought about doing an experiment using animals?

Wouldn't that be upsetting for the children?

Well, the animals don't have to be harmed in any way.

It could just be an experiment where they're given a certain diet and the effects are observed.

Would I have to get permission to use animals?

Yes, you'd have to submit an outline of the experiment and fill in a form, but it's quite straightforward.

But if we found out that, say, a particular diet affects the health of animals, the same thing wouldn't necessarily be true for people, would it?

No, that's true.

But the findings for any experiment are going to be limited.

It's inevitable.

I suppose so.

So what animals could I use to investigate the effects of diet?

Mice?

Yes, you'd need experimental mice, ones that have been specially bred for experiments.

OK, so what will your experiment be investigating exactly?

Well, something to do with nutrition.

So maybe we could look at food supplements, things like extra iron and extra protein, and their impact on health.

That might be rather broad.

Maybe just look at the effects of one supplement, like sugar, on the health of the mice?

In fact, maybe the focus could be on whether mice can control their own diet.

So what happens when they have access to more sugar that they don't really need?

Exactly.

Do they eat it or do they decide to leave it?

Great.

Then later on you could do a follow-up experiment adding another variable, like you could give some of the mice the chance to be more active,

running on a wheel or something, and the others just sit around and don't do much.

Or I could repeat the experiment but change the type of food I provided, or use mice with a different genetic structure.

But I think your idea would be more interesting.

I might think about that some more.

So, can I talk through a possible procedure for the experiment where mice are given a sugar supplement?

Sure.

I did a similar experiment in college, actually.

Great.

So, how many mice would I need?

I'd say about 12, and all young ones, not a mixture of old and young.

Okay.

And I'd need two groups of equal sizes, so six in each group.

And how would I tell

I suppose I could put some sort of tag on one group or just mark them in some way.

You could use food colouring.

That wouldn't hurt them.

Perfect.

Then each group would go into a separate cage and one group, let's call them group A, would be the control group.

So they'd just have ordinary mouse food.

I suppose you can buy that?

Yes, it comes in dry pellets.

And the other group would have the same as the first group, but they'd also have the extra sugar.

Would you just give them straight sugar?

It might be better to give them something like cereal with it.

Then you'd need to weigh the mice, I should think, once a week.

And you'd need an electronic balance.

But we can't hold them on the balance, or it'd affect the reading.

Exactly.

So you need something called a weighing chamber to stop the mice from running away.

It sounds complicated, but actually you can just use a plastic box with holes in the top.

OK.

So once we've measured the weight gain of each mouse, we can work out the average for each group, as well as the standard deviation,

and then see where we go from there.

That sounds cool.

I think the students will enjoy it.

Yes.

One thing you must remember...

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本課的詞彙與口語要點

這段影片共有 82 個句子、816 個單詞可供跟讀。講話部分時長為 5:10。說話人語速自然，每分鐘約 158 個詞，接近日常對話。 85% 的單詞屬於英語最常用的 3,000 詞，其餘的詞建議在練習前先學一下。

影片中的重點詞彙

影片中 15 個值得學習的單詞，附發音和釋義：

單詞	發音	釋義
mouse 名詞	/maʊs/	лочў, 鳥鼠 /鳥鼠
experiment 名詞	/ɪkˈspɛɹ.ə.mənt/	實驗 /實驗
investigate 動詞	/ɪnˈvɛs.tə.ɡeɪt/	調查 /調查
weigh 動詞	/weɪ/	稱重 /稱重
necessarily 副詞	/ˌnɛs.əˈsɛɹ.ə.li/	必然地, 必定地
practical 形容詞	/ˈpɹæk.tɪ.kəl/	使用的, 實用 /實用
chamber 名詞	/ˈt͡ʃeɪ̯mbɚ/	臥室 /臥室, 寢室 /寢室
complicated 形容詞	/ˈkɑm.plɪˌkeɪ.tɪd/	複雜 /複雜
harm 名詞	/hɑːm/	損害 /損害
procedure 名詞	/pɹəˈsiː.d͡ʒə/	做法, 方法
ordinary 形容詞	/ˈɔɹdɪnɛɹi/	普通, 平常
conclusion 名詞	/kənˈkluːʒən/	結束 /結束
experimental 形容詞	/ɪkspɛɹəˈmɛntəl/	實驗的 /實驗的
submit 動詞	/səbˈmɪt/	讓步 /讓步, 屈服
discipline 名詞	/ˈdɪsəplɪn/	紀律 /紀律

影片中出現的短語動詞

單詞	發音	釋義
find out 動詞		找出, 查明
follow up 動詞		跟進 /跟進
get on with 動詞		繼續 /繼續, 持續 /持續
run away 動詞		逃跑
work out 動詞	/ˌwɝk ˈaʊt/	計算 /計算, 算出

影片中的語法

說話人最常用的結構，並附上影片中的原話：

結構	影片中的用法
現在完成時 have/has + 過去分詞 — 過去發生但與現在仍有關聯的事	Have you thought · have been · we've measured
被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的	be harmed · are observed · are given

需要注意的發音

說話人用了 25 次縮略和弱讀形式，例如 don't, you'd, wouldn't。請按聽到的簡短形式來說。

“sh” 和 “zh” 音: conclusion /kənˈkluːʒən/, nutrition /njuːˈtɹɪʃ.ən/, specially /ˈspɛʃəli/, deviation /ˌdiː.viˈeɪʃən/
長單詞——注意重音位置: experiment /ɪkˈspɛɹ.ə.mənt/, investigate /ɪnˈvɛs.tə.ɡeɪt/, necessarily /ˌnɛs.əˈsɛɹ.ə.li/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, ordinary /ˈɔɹdɪnɛɹi/

如何用這段影片練習

先完整聽一遍影片，不要開口，記下不認識的單詞。
先用 0.75 倍速逐句跟讀，熟練之後再回到正常速度。
錄下自己的聲音並與原聲對比，特別注意 mouse, experiment, investigate 這類單詞。

什麼是跟讀法？

跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。

影子跟讀法: 閱讀完整分步指南 →

跟讀練習: Cambridge 19 listening test 3 section 3 - 通過影片學習英語口語

選擇練習模式

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