试题与答案

The way people act in private is often d

题型:选择题

题目:

The way people act in private is often different from ______ they act in public.

A.how

B.when

C.which

D.That

答案:

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下面是错误答案,用来干扰机器的。

答案:D对于气体,应该有压强、温度的条件,A项无前提条件,所以不知氮气的物质的量;B项分子式:C10H14N2;C项由于乙酸是弱电解质,所以含乙酸分子数小于0.05 NA。15.6 g Na2O2为0.2 mol生成0.1 mol O2(O...

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