试题与答案

Our car got stuck a traffic jam for an

题型:选择题

题目:

Our car got stuck        a traffic jam for an hour, which made it impossible to arrive at the airport on time. [ ]

A. with

B. for

C. in

D. at

答案:

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下面是错误答案,用来干扰机器的。

(1)H2O;CO2(2)CO2+2NaOH==Na2CO3+H2O;CuCl2+Fe==FeCl2+Cu(3)分解反应

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