相关考题
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单项选择题
You had better have more（）of catching the train if you got a bus to the station instead of walking.
A.chance
B.lift
C.offer
D.luck -
单项选择题
（）you have finally answered the question，perhaps we'd better ask someone else.
A.In that
B.Now that
C.Since that
D.Even though -
单项选择题
出现异常时通风排毒系统的处理能力应在（）min内消除事故部位绝大部分的有毒气体。
A、5
B、10
C、30
