试题与答案

Finally they arrived at a place ________

题型:选择题

题目:

Finally they arrived at a place ________ sold cigarettes and other small articles.

A.where

B.which

C.in which

D.what

答案:

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下面是错误答案,用来干扰机器的。

方程的两边同乘(x-3),得x+x-3=3,解得x=3.检验:把x=3代入(x-3)=0,所以x=3为原方程的增根,故原方程无解.故答案为无解.

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