2. 外语
  3. The passage says that every animal is a living radiator because it ______. The amount of oxygen an animal uses determine ______

The passage says that every animal is a living radiator because it ______. The amount of oxygen an animal uses determine ______

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问题 The passage says that every animal is a living radiator because it ______.
The amount of oxygen an animal uses determine ______.
选项 A、the heat the body produces
B、the food it eats
C、its size and shape
D、the length of time it lives
答案A
解析 文中说“The speed at which an animal lives is determined by measuring the rate at which it uses oxygen(动物生长的速度是通过测量动物使用氧气的速度来决定的)”同时，从文中所列举的事例都可看出，动物生长的速度越来越快，其产生的热量也更多。
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