Performing better under pressure

What is the most stressful thing in school? It is probably exams．小題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 （信號(hào)） in the brain．It has many important roles：affecting memory，attention and how we learn．小題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．
小題3:．       If you become stressed，your brain will start to overload （起負(fù)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．小題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．小題5:．    So，it turns out that practice really makes perfect．
根據(jù)短文內(nèi)容，從下面五個(gè)選項(xiàng)中選出能填入文中空缺處的最佳選項(xiàng)，使短文意思通順、內(nèi)容完整，并在答題卡上將該項(xiàng)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．

小題1:B
小題2:E
小題3:D
小題4:A
小題5:C

試題分析: 本文提到在學(xué)校中給人壓力最大的就是考試，分析原因在于大腦中多巴胺的平衡能力起著重要作用，但也不要忽視熟能生巧這個(gè)原則會(huì)讓你減輕壓力。
小題1:B 根據(jù)上文提到What is the most stressful thing in school? It is probably exams．在學(xué)校最有壓力的事情是什么呢？可能是考試。所以緊接講考試會(huì)把我們處于壓力之下，故選B項(xiàng)。
小題2:E 根據(jù)上文提到Dopamine is a chemical in our body that sends signals （信號(hào)） in the brain．It has many important roles：affecting memory，attention and how we learn．多巴胺是身體中一種化學(xué)元素，向大腦發(fā)出信號(hào)，他有很多重要的功能，影響記憶，注意力和如何學(xué)習(xí)。所以選E項(xiàng)當(dāng)他在我們身體中平衡時(shí)，我們大腦才能更好的工作。
小題3:D 根據(jù)下方提到If you become stressed，your brain will start to overload （起負(fù)荷） on dopamine如果你感到壓力時(shí)，你的大腦會(huì)開始起多巴胺起負(fù)荷作用，所以選D�？荚囍袝�(huì)發(fā)生什么樣的狀況？
小題4:A 根據(jù)上文提到The quicker you are able to go back to a balance of dopamine，the quicker you can concentrate．你身體迅速恢復(fù)多巴胺的平衡能力越快，你越能集中注意力。所以選A 他能幫助你在考試中更好的表現(xiàn)。
小題5:C 根據(jù)下方提到So，it turns out that practice really makes perfect因此，他證明熟能生巧，所以選C 研究發(fā)現(xiàn)你練習(xí)的越多，你的壓力越小。
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