《铁路无线通信维护暂行规则》规定,车站台天线余留长度每端一般不超过()。
A、0.2m
B、0.5m
C、1m
D、2m
参考答案:B
—Both of the skirts are in style this year.
—But I think this one is______.[ ]
A. popular
B. much popular
C. more popular
D. the most popular
关于肩先露的处理原则,哪项是错误的
A.经产妇,宫口开全乙醚麻醉下内转胎位臀牵引娩出
B.初产妇,足月活胎,临产后应剖宫产
C.忽略性横位行内转胎位术
D.胎儿已死,合并先兆子宫破裂,行剖宫产术
E.胎儿已死,无先兆子宫破裂,行断头术