最可能的诊断是
A．早产B．临产C．胎盘早剥D．前置胎盘E．先兆子宫破裂
参考答案：D
— Do you have any ________ experience of this type of work?
— I am sorry, but I have just graduated from college. [ ]
A. previous
B. popular
C. current
D. last
下面哪项不是故障处理五清中的内容（）
A.时间清
B.原因清
C.处理过程清
D.结果清
