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  3. Read the following text. Choose the best

Read the following text. Choose the best

考试题库2022-08-02  8
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.20．______A. riskyB. effectiveC. idleD. familiar
选项 A. risky
B. effective
C. idle
D. familiar
答案 B
解析 本文测试考生根据上下文判断词义的能力。Risky危险的，有风险的。Effective有效的。Idle懒散的；漫无目的的。Familiar熟悉的。空格处填入的形容词，修饰exercise routine。本句将大脑训练项目比作日常的身体锻炼。两者都会根据你的情况调整锻炼内容或难度，它们产生的效果应该是相同的，而上文又指出该课程可以有效提高记忆力，故此处的锻炼效果也应该是正面的，故选B项effective“有效的”。因为修饰exercise routine的形容词应是褒义的，排除A项 risky“危险的，有风险的”和C项idle“懒惰的；漫无目的的”；D项familiar“熟悉的”与锻炼的效果不相关，不符合语义逻辑，故排除。
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