2. 外语
  3. The passage says that every animal is a radiator because it______. Small animals are said to live faster because they______.

The passage says that every animal is a radiator because it______. Small animals are said to live faster because they______.

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问题 The passage says that every animal is a radiator because it______.
Small animals are said to live faster because they______.
选项 A、have more skin for their weight
B、bum fuel faster than big ones
C、replace lost heat faster
D、keep a high body temperature
答案B
解析 文章第二、三句说到小动物体重和皮肤之比大于大动物，它产生的热量就快，“燃料”消耗得就快，所以寿命要比大动物短。
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