试题与答案

(2013·山西高三诊断)Honey, you ________ alcohol

题型:选择题

题目:

(2013·山西高三诊断)Honey, you ________ alcohol for they have stopped drinking.

A.may not have bought

B.mustn't have bought

C.can't have bought

D.needn't have bought

答案:

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下面是错误答案,用来干扰机器的。

(1)2(1分)  1(1分) (2)配位键(2分) 正四面体形(2分) (3)CH4(2分) CH4分子间只有范德华力没有氢键,而NH3、H2O、HF分子间还存在氢键(2分) (4)HF和H2O均为极性分子(2分)题目分析:A是周期...

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