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  3. Have you eaten too much over the holidays? You should try fidgeting for a while. Those people around you might not like it, but

Have you eaten too much over the holidays? You should try fidgeting for a while. Those people around you might not like it, but

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问题    Have you eaten too much over the holidays? You should try fidgeting for a while. Those people around you might not like it, but scratching (moving your nails against a part of your body) and twitching (moving suddenly and quickly when you don’ t want to) are important ways of burning up calories.
   American researchers have found that some people’ s squirming(continuously turning your body when nervous) and wiggling (moving in small movements, especially from side to side) equal several miles of slow running each day.
   The scientists, basing the National Institute of Health’ s laboratory in Phoenix, Arizona, are studying why some people get fat and others stay slim.
   In one study, each of 177 people spent 24 hours in a room in the institute where the amount of energy was measured by their oxygen and carbon dioxide levels. By the end of the day, some people had burned up 800 calories in toe-tapping (moving the front part of your feet up and down) , finger-drumming (hitting your fingers continuously and lightly against something hard) and other nervous habits. However, others had burned up only 100 calories.
   The researchers have found that slim women fidget more than fat women, but there is no significant difference among men. Heavy people burn up more energy when they fidget than thin people do.
Which of the following can be used to explain the meaning of "fidgeting" (Para. 1) ?
选项 A、Scratching and twitching.
B、Squirming and wiggling.
C、Slow running.
D、Moving one’ s body nervously.
答案D
解析 通读全文可知，文中提到了很多fidgeting的动作：scratching，twitching，squirming，wiggling，toe-tapping，finger-drumming。根据第四段第二句“…and other nervous habits．”并结合常识可知，这些都是人在紧张时做出的习惯动作。由此可推知，fidget意为“烦躁，坐立不安”。四个选项中D项与其意思最接近。A、B两项都属于D项；C项是一种运动。故选D。
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