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  3. As many people hit middle age,they often

As many people hit middle age,they often

考试题库2022-08-02  10
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___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.（7）选？A.roundaboutsB.responsesC.workoutsD.associations
选项 A.roundabouts
B.responses
C.workouts
D.associations
答案 C
解析 上下文语义衔接+词义辨析前一句提到了“the brain needs exercise（大脑需要锻炼）”，之后的连接词为and，这说明前后两句的意思是并列的，后一句的意思是“而且适当的大脑_____可以显著提高我们基本的认知……”，所以这里的“the right mental_____”指的就是前面的“the brain needs exercise”。根据四个选项的意思可知，只有workouts符合句意，因此选项C为正确答案。
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