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。
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