枕左前位胎头进入骨盆入口时,以下列哪一项径线衔接()。
A.枕颏径
B.枕额径
C.枕下前囟径
D.双顶径
E.双颞径
参考答案:B
As long as we persist in spreading scientific knowledge among the masses, all the strange beliefs are ________ to go out of our life.[ ]
A.necessary
B.important
C.difficult
D.bound
急性肾衰竭一般分为()
A.无尿期、少尿期、多尿期、恢复期
B.少尿期、多尿期、恢复期
C.少尿期、无尿期、恢复期
D.多尿期、无尿期、恢复期