When to a certain temperature,water can be turned into steam.A．heating
题型：不详难度：来源：
When to a certain temperature,water can be turned into steam.| A．heating | | B．being heated | | C．heated | | D．to heat |
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答案
| C |
解析
| 前面部分可视为When it(water) is heated to...，意思是“被加热到……”。 |
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