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2011年12月大学英语四级完形填空:精选练习(21)

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Exercise is good for you, but most people really know very little about how to exercise properly. 1 when you try, you can runsintostrouble.

  Many people 2 that when specific muscles are exercised, the fat in the neighbouring area is“ 3 up”.Yet the 4 is that exercise burns fat from all over 5 .

  Studies show muscles which are not 6 lose their strength very quickly.To regain it needs 48 to 72 hours and exercise every other day will 7 a normal level of physical strength.

  To 8 weight you should always“work up a good sweat”when exercising. 9 sweating only 10 body temperature to prevent over heating.This is 11 water loss. 12 You replace the liquid, you replace the 13 .

  Walking is the best and easy-to-do exercise.It helps the circulation of blood 14 the body, and has a direct 15 on your overall feeling of health.Experience says that 20 minutes' 16 . 17 is minimun amount.

   18 your breathing doesn't return to normal state within minutes after you finish 19 , you've done 20 .

  1. A.While B.When C.As D.So

  2. A.understand B.believe C.hope D.know

  3. A.built B.burned C.piled D.grown

  4. A.reply B.possiblility C.truth D.reason

  5. A.arm B.leg C.stomach D.body

  6. A.exercised B.examined C.protected D.cured

  7. A.lose B.raise C.burn D.keep

  8. A.lose B.gain C.keep D.burn

  9. A.Certainly B.No C.Fortunately D.Probably

  10. A.raises B.reduces C.destroys D.keeps up

  11. A.how B.why C.nothing but D.more than

  12. A.While B.Once C.As D.Whenever

  13. A.weight B.muscle C.sweat D.strength

  14. A.over B.around C.throughout D.with

  15. A.effect B.use C.usage D.affect

  16. A.education B.sleep C.exercise D.rest

  17. A.one day B.a day C.everyday D.someday

  18. A.But if B.But C.If D.And if

  19. A.working B.walking C.exercising D.breathing

  20. A.enough B.much C.too much D.much too

重点单词   查看全部解释    
circulation [.sə:kju'leiʃən]

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n. 流通,循环,发行量,消息传播

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regain [ri'gein]

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v. 恢复,重回,复得

 
temperature ['tempritʃə(r)]

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n. 温度,气温,体温,发烧

 
overall [əuvə'rɔ:l]

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adj. 全部的,全体的,一切在内的
adv.

 
affect [ə'fekt]

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vt. 影响,作用,感动

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minutes ['minits]

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n. 会议记录,(复数)分钟

 
liquid ['likwid]

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adj. 液体的,液态的
n. 液体

 
replace [ri(:)'pleis]

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vt. 取代,更换,将物品放回原处

 
prevent [pri'vent]

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v. 预防,防止

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sweat [swet]

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n. 汗,汗水
v. (使)出汗

 


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