英语四级完形填空精选练习及详细解析(31)

来源：大学英语四级发布时间：2013-02-02 大学英语四级辅导视频评论

　　距离2012年12月四六级考试越来越近，现在正是四六级考生复习冲刺的黄金时期。为了助大家取得好成绩，新东方在线四六级频道为考生网罗了四六级辅导名师，整合了各题型备考资料，给你一站式学习体验。
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    Cloze 31

    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'

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