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【题目】南极是世界上最冷的地方,常年平均气温是-25℃,一天企鹅妈妈与小企鹅之间发生了一次有趣的对话,它们的部分说法如下,其中正确的是( )

A. 小企鹅:妈妈,这么冷,我都没温度了。

B. 企鹅妈妈:不对,是没有内能。

C. 小企鹅:冰天雪地的,可能连水蒸气都没有吧。

D. 企鹅妈妈:呵呵,水蒸气倒肯定有,因为冰是可以升华的呀。

【答案】D

【解析】

试题分析: A.不能说没温度了,温度虽然低,但是也有温度,A错;B. 一切物体都有内能,温度低也有,没有内能是不对的;C. 水蒸气可能有,固体冰也可能升华成水蒸气,C错;D. 企鹅妈妈:呵呵,水蒸气倒肯定有,因为冰是可以升华的呀,D正确。选D

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