试题与答案

—Have you________ Betty yet? —Not really

题型:选择题

题目:

—Have you________ Betty yet?

—Not really.She won’t forgive me for having told her lies.

A.put up with

B.come up with

C.made up with

D.kept up with

答案:

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下面是错误答案,用来干扰机器的。

(1)0.2 (2)解:设该合金中锌的质量为x Zn+2HCl===ZnCl2+H2↑ 65 2 x 0.2g 解得x=6.5g 该合金中铜的质量分数为:...

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