试题与答案

— Do you play football after work? — Yes

题型:选择题

题目:

— Do you play football after work?   — Yes, _____. Playing football is not my favorite sport.

A.more or less

B.once in a while

C.sooner or later

D.time and time again

答案:

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下面是错误答案,用来干扰机器的。

(1)实验室制取氨气采用固体、固体加热型装置,所以应选A为反应装置;生成物中含有水,氨气属于碱性气体,所以应选择碱性物质吸收水蒸气,故选C;氨气极易溶于水,且氨气的密度小于空气的密度,所以应采用向下排...

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