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  3. Read the following text. Choose the best

Read the following text. Choose the best

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问题 Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)　As many people hit middle age, they often start to notice that their memory and mental clarity are not what they used to be. We suddenly can’t remember 　1　 we put the keys just a moment ago, or an old acquaintance’s name, or the name of an old band we used to love. As the brain 　2　 , we refer to these occurrences as “senior moments.” 　3　 seemingly innocent, this loss of mental focus can potentially have a(n) 　4　 impact on our professional, social, and personal 　5　.　Neuroscientists, experts who study the nervous system, are increasingly showing that there’s actually a lot that can be done. It 　6　 out that the brain needs exercise in much the same way our muscles do, and the right mental 　7　 can significantly improve our basic cognitive 　8　. Thinking is essentially a 　9　 of making connections in the brain. To a certain extent, our ability to 　10　 in making the connections that drive intelligence is inherited. 　11　, because these connections are made through effort and practice, scientists believe that intelligence can expand and fluctuate 　12　 mental effort.　Now, a new Web-based company has taken it a step 　13　 and developed the first “brain training program” designed to actually help people improve and regain their mental 　14　.　The Web-based program 　15　 you to systematically improve your memory and attention skills. The program keeps 　16　 of your progress and provides detailed feedback 　17　 your performance and improvement. Most importantly, it 　18　 modifies and enhances the games you play to 　19　 on the strengths you are developing—much like a(n) 　20　 exercise routine requires you to increase resistance and vary your muscle use.2．______A. improvesB. fadesC. recoversD. collapses
选项 A. improves
B. fades
C. recovers
D. collapses
答案 B
解析 本题测试考生根据上下文判断词义的能力。Improves改善；fades衰退，减弱；recovers恢复；collapses瓦解”。根据上下文，此处需填入As引导的从句的谓语动词，表示“随着大脑……”。上文已经说到记忆力和思维清晰度都不如从前，而下文的these occurrence指代上文的忘记钥匙放在哪里等健忘事件，很显然，大脑的功能在减退，因此要选择表消极意义的词。选项中只有B项和D项符合要求，而D项collapses突然倒下，瓦解，用于描述大脑的功能不太合适；fades衰退”，指大脑的功能衰退，符合语义逻辑。A项improves“改善”和C项recovers“恢复”均含积极意义；不符合原文意思。
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