子宫收缩过强易发生
A．软产道裂伤B．胎盘滞留C．胎盘黏连D．胎盘嵌顿E．凝血功能障碍
参考答案：A
It is still under discussion __________the old bus station should be replaced with a modern hotel or not.
A．whether
B．when
C．which
D．where
下列哪种寄生虫可自体感染
A．似蚓蛔线虫B．钩虫C．旋毛形线虫D．蠕形住肠线虫E．毛首鞭形线虫
