关于胎儿窘迫的病因哪项不正确:
A.母体因素
B.胎盘、脐带因素
C.胎膜早破
D.胎儿因素
E.难产处理不当
参考答案:C
It will be another 50 years ______ our country is expected to reach the level of a medium developed country.
A.since
B.before
C.that
D.when
龙胆除清热燥湿外,还具有的功效是()
A.滋肾润肺
B.消痈排脓
C.杀虫利尿
D.除烦止渴
E.泻肝胆火