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  3. 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

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

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问题     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【C1】______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【C2】______, we refer to these occurrences as "senior moments." 【C3】______seemingly innocent, this loss of mental focus can potentially have a(n)【C4】______impact on our professional, social, and personal【C5】______.
    Neuroscientists, experts who study the nervous system, are increasingly showing that there’ s actually a lot that can be done. It【C6】______out that the brain needs exercise in much the same way our muscles do, and the right mental【C7】______can significantly improve our basic cognitive【C8】______. Thinking is essentially a【C9】______of making connections in the brain. To a certain extent, our ability to【C10】______in making the connections that drive intelligence is inherited.【C11】______, because these connections are made through effort and practice, scientists believe that intelligence can expand and fluctuate【C12】______mental effort.
    Now, a new Web-based company has taken it a step【C13】______and developed the first "brain training program" designed to actually help people improve and regain their mental【C14】______.
    The Web-based program【C15】______you to systematically improve your memory and attention skills. The program keeps【C16】______of your progress and provides detailed feedback【C17】______your performance and improvement. Most importantly, it【C18】______modifies and enhances the games you play to【C19】______on the strengths you are developing—much like a (n)【C20】______exercise routine requires you to increase resistance and vary your muscle use.
【C16】
选项 A、hold
B、track
C、order
D、pace
答案B
解析 考查动词短语辨析。本句意为“它可以______你的进步并根据你的表现和提高给出详细的反馈”，这个程序要给用户反馈的话，就必须基于用户的体验，所以它要知道你的进步在哪，还需要什么来给出后期的建议。B．keep track of“跟踪记录”代入句中，最符合文意，故为正确答案。A．keep hold of“紧握”，C．keep order of“维护秩序”，D．keep pace of“齐步并进”都不符合文意，故排除。
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考研英语一

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