考研英语
单选题根据以下资料，回答题。
As many people hit middle age, they often start to notice that theirmemory and mental clarity are not what they used to be. We suddenly can’tremember ___1___ we put the keys just a moment ago, or an old acquaintance’sname, or the name of an old band we used to love. As the brain ___2___, werefer to these occurrences as “senior moments.” ___3___ seemingly innocent,this loss of mental focus can potentially have a (n) ___4___ impact on ourprofessional, social, and personal ___5___.
Neuroscientists,experts who study the nervous system, are increasingly showing that there’sactually a lot that can be done. It ___6___ out that the brain needs exercisein much the same way our muscles do, and the right mental ___7___ cansignificantly 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___ mentaleffort.
Now, a newWeb-based company has taken it a step ___13___ and developed the first “braintraining program” designed to actually help people improve and regain theirmental ___14___.
The Web-basedprogram ___15___ you to systematically improve your memory and attentionskills. The program keeps ___16___ of your progress and provides detailedfeedback ___17___ your performance and improvement. Most importantly, it___18___modifies and enhances the games you play to ___19___ on the strengthsyou are developing—much like a(n) ___20___exercise routine requires you toincrease resistance and vary your muscle use.
请在第__1__处填上正确答案。
As many people hit middle age, they often start to notice that theirmemory and mental clarity are not what they used to be. We suddenly can’tremember ___1___ we put the keys just a moment ago, or an old acquaintance’sname, or the name of an old band we used to love. As the brain ___2___, werefer to these occurrences as “senior moments.” ___3___ seemingly innocent,this loss of mental focus can potentially have a (n) ___4___ impact on ourprofessional, social, and personal ___5___.
Neuroscientists,experts who study the nervous system, are increasingly showing that there’sactually a lot that can be done. It ___6___ out that the brain needs exercisein much the same way our muscles do, and the right mental ___7___ cansignificantly 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___ mentaleffort.
Now, a newWeb-based company has taken it a step ___13___ and developed the first “braintraining program” designed to actually help people improve and regain theirmental ___14___.
The Web-basedprogram ___15___ you to systematically improve your memory and attentionskills. The program keeps ___16___ of your progress and provides detailedfeedback ___17___ your performance and improvement. Most importantly, it___18___modifies and enhances the games you play to ___19___ on the strengthsyou are developing—much like a(n) ___20___exercise routine requires you toincrease resistance and vary your muscle use.
请在第__1__处填上正确答案。
A．where
B．when
C．that
D．why
参考答案：A进入在线模考
[标准答案] [A]
[考点分析] 上下文语义和连词辨析
[选项分析] 本题考查连词。根据上下文意思，首先可以排除[B][C][D]。这句话中 where 引导一个状语语从句，主要是说记不清把钥匙放在哪里了。 （本解析由安宝蓝提供）
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