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

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

游客2023-12-27  55
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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