初产妇及经产妇的第三产程
A．羊水过多B．过期妊娠C．胎儿窘迫D．协调性宫缩乏力E．不协调性宫缩乏力
参考答案：E
Gone are the days when China, a major economic power in Asia today, ________ at the mercy of others.[ ]
A. was
B. is
C. had been
D. were
国际单位制中7个基本*单位是什么？
