单选题：The author cites the behavior of warm-blooded mammals in or

题目分类：卫生类
题目类型：单选题
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题目内容：

The author cites the behavior of warm-blooded mammals in order to illustrate that a living
thing may have the ability A．to create an environment of its own
B．to remain still when an enemy is near.
C．to make food from its inorganic chemicals
D．to change the color of its skin.

参考答案：

答案解析：

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分类：卫生类题型：单选题

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分类：卫生类题型：单选题