胎盘部分自宫壁剥离（）
A.胎盘植入
B.胎盘剥离不全
C.胎盘嵌顿
D.胎盘粘连
E.胎盘剥离后滞留
参考答案：B
--The classroom is __________ clean __________ it was yesterday.
--Sorry, I forgot to clean it.
A．as; as
B．so; as
C．not so; as
D．more; than
属于目标管理检查评价的内容的是（）
A.协议授权
B.反馈控制
C.奖罚兑现
D.检查评价
E.咨询指导
