高考英语完形填空专项精练15例(含解析)

高考英语完形填空专项精练15例（含解析）

（一）

With time flying, people become aged. Then many people even in their middle age 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 friend'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__ effect on our social and __5__ well－being.

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(认知) __8__. Thinking is basically 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(继承). __11__，because these connections are made through effort and practice, scientists believe that intelligence can expand and wave __12__ mental effort.

Now, a new Web－based company has taken a step __13__ and developed the first “brain training program” designed to actually help peop le improve and __14__ their mental sharpness.

The Web－based program __15__ you to systematically improve your memory and attention skills. The program keeps a(n) __16__ of your progress and provides detailed feedback(反馈) __17__ your performance and improvement. Most importantly, it __18__ changes and improves the games you play to __19__ up the strengths you are developing—much like a(n) __20__ exercise routine which requires you to increase resistance and vary your muscle use.

1. A. where B. when C. that D. why

2. A. improves B. fades C. recovers D. falls

3. A. If B. Unless C. Once D. While

4. A. irregular B. limited C. damaging D. positive

5. A. personal B. psychological C. mental D. physical

6. A. turns B. finds C. points D. figures

7. A. connection B. responses C. workouts D. associations

8. A. style B. functions C. circumstances D. atmosphere

9. A. steps B. condition C. consequences D. process

10. A. insist B. believe C. succeed D. fail

11. A. Therefore B. Moreover C. Otherwise D. However

12. A. according to B. regardless of C. apart from D. instead of

13. A. back B. further C. aside D. around

14. A. regain B. reflect C. review D. respond

15. A. suggests B. makes C. hurries D. allows

16. A. hold B. record C. order D. pace

17. A. to B. with C. for D. about

18. A. irregularly B. habitually C. constantly D. unusually

19. A. carry B. put C. build D. take

20. A. risky B. effective C. meaningless D. familiar

答案与解析

1. 答案A

解析此处表示“记不清把钥匙放在哪里了”。本句为where引导的宾语从句。2. 答案 B

解析improve“提高”；fade“褪色；衰老”；recover“恢复”；fall“降落”。此处表示“随着年龄增长，大脑衰老”。

3. 答案 D

解析if“如果；是否”；unless“除非”；once“一旦”；while“当……时候；虽然，然而”；句意：虽然表面上看起来没什么，但是危害很大，前后为转折关系。

4. 答案 C

解析irregular“不规则的；无规律的”；limite d“有限的”；damaging“有破坏性的；有害的”；positive“积极的”。句意：这种精神能量的缺失会给我们带来有害的影响。

5. 答案 A

解析personal“个人的”；psychological“心理的”；mental“精神上的”；physical“身体上的”。句意：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。