The chemistry teacher asked the students what water was ___ of.
A.compounded B.composed
选哪个,为什么
人气：284 ℃ 时间：2019-10-24 02:31:30
解答
B 由.组成,如水是由氯的氢组成的；
A 化合成 混合成
因此,答案是B
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