Exercise is good for you, but most people really know very【B1】about how to exercise properly. So when you try, you can run into

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问题      Exercise is good for you, but most people really know very【B1】about how to exercise properly. So when you try, you can run into trouble. Many people【B2】that when specific muscles are exercised, the fat in the neighboring area is"【B3】up". Yet the troth is that exercise bums fat【B4】all over【B5】. Studies show muscles which are not【B6】lose their strength very quickly. To regain it needs 48 to 72 hours and exercise every other day will【B7】a normal level of physical strength. To【B8】weight you should always "work up a good sweat" when exercising.【B9】sweating only【B10】body temperature to prevent over heating. This is【B11】water loss.【B12】you replace the liquid, you【B13】the weight. Walking is the best and easy-to-do exercise. It helps the circulation of blood【B14】the body, and has a direct【B15】on your overall feeling of health. Experience【B16】that 20 minutes’ exercise【B17】is minimum amount.【B18】your breathing doesn’t return to normal state within minutes after you finish【B19】, you’ve done【B20】.

选项 A、much
B、many
C、few
D、little

答案D

解析 前后逻辑关系考查:“体育锻炼对人有好处,但是大多数人对于如何合理的进行锻炼所知甚少。”
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