Performing better under pressureWhat is the most stressful thing in school? It is probably

Performing better under pressure

What is the most stressful thing in school? It is probably exams．【小题1】． But some students succeed under pressure，while others struggle．So，why do some students perform better under stress?
It all comes down to dopamine （多巴胺）． Dopamine is a chemical in our body that sends signals （信号） in the brain．It has many important roles：affecting memory，attention and how we learn．【小题2】．
Our brains control dopamine in two ways．It either takes out dopamine quickly，or gradually．Exam success can be linked to how fast dopamine goes back to a balance，according to new research from the University of Missouri，reported Yahoo．
【小题3】． If you become stressed，your brain will start to overload （起负荷） on dopamine．It is like a cup overflowing with water．The quicker you are able to go back to a balance of dopamine，the quicker you can concentrate．【小题4】．
Researchers found that，during a test，people who slowly got back to a balance of dopamine scored 8 percent lower． That’s me difference between a good mark and a bad mark．
But don't fear，there is good news for every student．【小题5】． So，it turns out that practice really makes perfect．
根据短文内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使短文意思通顺、内容完整，并在答题卡上将该项涂黑。A．This will help you perform better on a test．B．Exams can put us under a lot of pressure．C．The study also found that the more practice you get，the less stressed you’ll be．D．What happens when we take an exam?E．Our brains work best when there is a balance of dopamine—not too much or too little．B

(答案→)B 解析：试题分析: 本文提到在学校中给人压力最大的就是考试，分析原因在于大脑中多巴胺的平衡能力起着重要作用，但也不要忽视熟能生巧这个原则会让你减轻压力。【小题1】B 根据上文提到What is the most stressful thing in school? It is probably exams．在学校最有压力的事情是什么呢？可能是考试。所以紧接讲考试会把我们处于压力之下，故选B项。【小题2】E 根据上文提到Dopamine is a chemical in our body that sends signals （信号） in the brain．It has many important roles：affecting memory，attention and how we learn．多巴胺是身体中一种化学元素，向大脑发出信号，他有很多重要的功能，影响记忆，注意力和如何学习。所以选E项当他在我们身体中平衡时，我们大脑才能更好的工作。【小题3】D 根据下方提到If you become stressed，your brain will start to overload （起负荷） on dopamine如果你感到压力时，你的大脑会开始起多巴胺起负荷作用，所以选D。考试中会发生什么样的状况？【小题4】A 根据上文提到The quicker you are able to go back to a balance of dopamine，the quicker you can concentrate．你身体迅速恢复多巴胺的平衡能力越快，你越能集中注意力。所以选A 他能帮助你在考试中更好的表现。【小题5】C 根据下方提到So，it turns out that practice really makes perfect因此，他证明熟能生巧，所以选C 研究发现你练习的越多，你的压力越小。

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