請閱讀下面短文,按要求完成后面的小題,并將答案寫在答題卡相應的位置上。

What is the most stressful thing in school? It is probably exams.Exams can put us under a lot of pressure.But some students do well under pressure,while others feel terrible.So,why do some students perform better under stress?

It all comes down to dopamine(多巴胺).Dopamine is a chemical(化學物質(zhì)) in our brain that sends signals(信號) to our body.It has many important roles:influencing memory,attention and how we learn.Our brains work best when there is a balance of dopamine — not too much or too little.

大腦通過兩種方式控制多巴胺。It either takes out dopamine quickly,or gradually.Exam success can be connected to how fast dopamine goes back to a balance.

What happens when we take an exam? If you become stressed,your brain will start to overload(超負荷) on dopamine.It is like a cup overflowing with water.The quicker you can go back to a balance of dopamine,the quicker you will concentrate,helping you perform better on a test.

Scientists found that,during a test,people who slowly got back to a balance of dopamine scored 8 percent lower.That's the difference between a good mark and a bad mark.

But don't fear,there is some good news.The__study__also__found__that__the__more__practice__you__get,the__less__stressed__you'll__be.So,it turns out that practice really does make perfect.

1.What roles does dopamine play?

________________________________________________________________________

2.請將文中的漢語翻譯成英語。

________________________________________________________________________

3.The writer talks about a cup overflowing with water to explain ________.

A. how to deal with stress

B. how to hold the cup with water

C. how the brain balances dopamine

4.請將文中畫線部分翻譯成漢語。

________________________________________________________________________

5.The topic of the passage is about ________ and ________.

1.Influencing memory,attention and how we learn. 2.The brain controls dopamine in two ways. 3.C 4.研究還表明,你練習得越多,你的壓力越小。 5.stressdopamine 【解析】本篇文章難度適中,主要講述在學校給人壓力最大的就是考試,原因是大腦中的多巴胺的平衡能力起了...
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