Differences in positions adopted by oxygen and hydrogen atoms account for variat

游客2023-12-27  30

问题 Differences in positions adopted by oxygen and hydrogen atoms account for variations in the crystalline structure of different forms of ice.

选项 A、are caused by
B、explain
C、derive from
D、constitute

答案 B

解析 本题中,account for的意思是“解释”。四个选项中,explain的意思是“解释”,如:The price tag says $100 and you charged me for $120;how do you explain the discrep—ancy?(货物标签上写的是一百美元,你向我索价一百二十美元,这个差异该怎么解释?)。are caused by的意思是“由……引起”;derive from的意思是“源自”;constitute的意思是“制订,组成”。只有B项符合题意。
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