2. 外语
  3. A calorie is a unit of energy associates with anything containing energy except food. Food calories come only from its potentia

A calorie is a unit of energy associates with anything containing energy except food. Food calories come only from its potentia

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问题 A calorie is a unit of energy associates with anything containing energy except food.
Food calories come only from its potential energy such as the carbohydrates, protein and fat.
选项 A、Y
B、N
C、NG
答案A
解析 本题应定位在小标题What Calories Do下第二段。原文提到：知道了carbohydrates，protein和fat的含量，也就知道了食物中含有的热量。题干内容与此相符，因此答案为Y。
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大学英语六级

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