When________toahighenoughtemperatu

发布时间:2020-07-25 21:22:30

When ________ to a high enough temperature water can change into vapour.A.heatingB.being heatedC.heatedD.having heated

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C解析题意“当被加热到一个足够高的温度时,水会变成气体。”这是一个省略了的状语从句,原句应是When water is heated to a high temperature, when引导的状语从句可省略主语和系动词be.
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