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英语四级完形填空含答案解释—ClozeTest28

发布:2008-06-25  投稿:吴叁吴四  编辑:菲雨  来源:网友投稿/收集  人气:

 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 .

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