Exercise is good for you, but most people really know very little about how to exercise properly. 【C1】 ________ when you try, yo

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问题     Exercise is good for you, but most people really know very little about how to exercise properly. 【C1】 ________ when you try, you can run into trouble.
    Many people 【C2】 ________  that when specific muscles are exercised, the fat in the neighboring area is【C3】 ________  up". Yet the 【C4】 ________  is that exercise burns fat from all over 【C5】 ________  .
    Studies show muscles which are not【C6】 ________ lose their strength very quickly. To regain it needs 48 to 72 hours and exercise every other day will 【C7】 ________  a normal level of physical strength.
    To【C8】 ________ weight you should always "work up a good sweat" when exercising.【C9】 ________ sweating only【C10】 ________ body temperature to prevent over heating. This is【C11】 ________ water loss.【C12】 ________ you replace the liquid, you replace the 【C13】 ________.
    Walking is the best and easy-to-do exercise. It helps the circulation of blood 【C14】 ________  the body, and has a direct 【C15】 ________  on your overall feeling of health. Experience says that 20 minutes’【C16】 ________【C17】 ________  is minimum amount.
    【C18】 ________  your breathing doesn’t return to normal state within minutes after you finish 【C19】 ________ , you’ ve done 【C20】 ________.
【C12】

选项 A、While
B、Once
C、As
D、Whenever

答案B

解析 意思是“一旦”,once引导时间状语从句,其他不合文意。
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本试题收录于: 英语题库普高专升本分类
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