胎头的衔接是指
A.枕骨进入骨盆的入口平面
B.双顶径达到坐骨棘水平
C.双顶径同时进入骨盆的入口平面
D.枕额径进入骨盆的入口平面
E.枕骨的最低点达到坐骨棘水平
参考答案:C
She is very good at painting. She can paint _______ her teacher. [ ]
A. as better as
B. as well as
C. as good as
D. so well as
下列制度或措施,有利于减轻农民负担的是()。
①均田制
②租庸调制
③募役法
④一条鞭法
A.①②③
B.②③④
C.①③④
D.①②③④