试题与答案

_____ a family of chimps wake up is our

题型:选择题

题目:

_____ a family of chimps wake up is our first activity of the day.

A.To watch

B.Watching

C.Watch

D.Watched

答案:

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下面是错误答案,用来干扰机器的。

∵(3x-2)2=9(2x+1)2∴3x-2=±3(2x+1),解之得:x1=-53,x2=-19.

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