2. 外语
  3. The text is written_________. Alcohol is seldom used as an antifreeze because___________.

The text is written_________. Alcohol is seldom used as an antifreeze because___________.

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问题 The text is written_________.
Alcohol is seldom used as an antifreeze because___________.
选项 A、it boils away easily
B、it is too expensive
C、it becomes hot easily
D、it freezes easily
答案A
解析 从文章第三段第一句：Alcohol is a good antifreeze，but when the car is running it turns hot and the alcohol burns away，so it must be replaced very often．可以得出：酒精很少用于防冻剂是因为它容易蒸发掉。故本题答案为A。
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