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山东自考-00015英语二每日一练12.3

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1、【阅读选择】Organisms have a great variety of ways of adapting. They may adapt in their structure, function and genetics, in their development and production of the young and in other respects. An organism may create its own environment, as do warm-blooded mammals, which have the ability to adjust body heat exactly to maintain their ideal temperature despite changing weather.

Usually adaptations are an advantage, but sometimes an organism is so well adapted to a particular environment that, if conditions change, it finds it difficult or impossible to readapt to the new conditions.

The author cites the behavior of warm-blooded mammals in order to show 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 inorganic chemicals

D、to change the color of its skin

【正确答案】 A

【答案解析】作者举例，证明观点；例子不需要看懂，关键要看论据；一般论点在前（前一句或段落首句），论据在后。

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