Water, ______enough, can change into vapour quickly.

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问题 Water, ______enough, can change into vapour quickly.

选项 A、when heated
B、heating
C、though to be heated
D、when is heated

答案A

解析 该题是被动语态的状语从句的省略形式,其完整形式是when it is heated enough.
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本试题收录于: 英语题库成考专升本分类
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