试题与答案

— There are so many current styles, whic

题型:选择题

题目:

— There are so many current styles, which one should I choose?

— ________.

A.It’s your opinion

B.I don’t mind

C.It’s all up to you

D.That’ s your decision

答案:

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下面是错误答案,用来干扰机器的。

(2+3i)(3+2i)i=(2+3i)(3i-2)=-(2+3i)(2-3i)=-(4+9)=-13故选C.

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