M: These things never start on time.And anyway,I don't think it would be crowded.
Q: What does the man imply?
(17)
A.The lectures are usually crowded.
B.The lecture has already started.
C.It is easy for them to get seats.
D.The lecture may be canceled.
第2题
电气控制线路原理图中,触头的位置处于()。
A.通电状态
B.未通电状态
C.根据情况确定状态
D.部分通电、部分不通电状态
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