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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.
【C5】
选项 A、wellbeing
B、environment
C、relationship
D、outlook
答案A
解析 考查名词辨析。空格所在句意为“这种精神能量的缺失会给我们的职业、社交还有个人________带来有害的影响”。应填入与professional，social和personal三个形容词相搭配的名词，wellbeing“幸福”填入空格处意为“职业的、社交的和个人的幸福状况”，符合语境，故答案选A。记忆力衰退无法影响个人所处的职业和社交环境，故排除B项；C项relationship填入空格处所表述的语义过于言重. 不如wellbeing贴合文意，故排除；记忆力的衰退也不可能影响整个社会的前景，故排除D项outlook“前景，展望”。
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