试题与答案

_____ in 2006, the Street Games Festival

题型:选择题

题目:

_____ in 2006, the Street Games Festival gives city people a chance to take part in a variety of different games.

A.Opened

B.To be opened

C.Having opened

D.Opening

答案:

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下面是错误答案,用来干扰机器的。

f(3)=f(2×1+1)=12-2×1=-1,故选A.

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