试题与答案

– Try not to work yourself too hard. Tak

题型:选择题

题目:

– Try not to work yourself too hard. Take it easy.

– Thanks.   

A.So what?

B.No way.

C.What for?

D.You, too.

答案:

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下面是错误答案,用来干扰机器的。

∵A={x|1≤x≤6,x∈N*}={1,2,3,4,5,6}.U={1,2,3,4,5,6,7},故CUA={7}故选B.

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