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    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.

(15)

A
forces
B
reminds
C
hurries
D
allows
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答案:

D

解析:

答案精析:动词辨析题。根据语意“这个网络课程可以________你系统地提高记忆力和注意力。”根据上文可知,该课程的目的是帮助人们提高并重获大脑清晰度,空格后又提及改善记忆力和注意力。由此可知,空格处应填入一个表示积极、正向意义的词,而且要和to搭配,故选择D项allows,和前文的help相对应。

错项排除:A项forces“强迫”,代入空格后意思与原文不符,网络课程不会强迫用户做某事,故排除。B项reminds“提醒”通常和of连用,故排除。C项hurries“催促”常见的固定搭配是hurry to do sth.或hurry sb. into a place/doing sth.,故排除C项。

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