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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.
What is the author’s attitude towards the fidgeting habit?
选项 A、Confident.
B、Negative.
C、Satisfied.
D、Objective.
答案D
解析 通读全文可知，本文通过研究人员的研究发现告诉读者，人在坐立不安时的动作可以减肥，有些人消耗较多的卡路里，而有些人消耗的卡路里比较少；苗条的女性比肥胖的女性更容易坐立不安，但这在男性中却没有太大差异；胖的人比瘦的人在坐立不安时消耗的能量更多。作者在文中并没有表达个人观点，所以作者是以客观的态度说明科学家所做的研究及其发现的。confident：自信的；negative：否定的，消极的；satisfied：满足的；objective：客观的。故选D。
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