级组
参考答案:
由两个以上若干相邻、流量相同、通流面积不变的级组合而成。
足月妊娠临产,规律宫缩12小时,破膜14小时,羊水Ⅰ度污染,宫口开大5cm,S+1。
下列处理恰当的是()
A.应用抗生素预防感染
B.臀高位卧床
C.鼓励产妇在宫缩时屏气用力
D.手术助产
E.立即剖宫产
He always did well at school ______ having to do part-time jobs every now and then.
A.in spite of
B.instead of
C.in case of
D.in favor of