与产后出血无关的有()
A．子宫肌瘤合并妊娠
B．滞产
C．双胎
D．多次刮宫
E．早产
参考答案：E
The more __ people drive, the__ traffic accidents there will be.
A. careful; less B. carefully; fewer C. careful; fewer
法洛四联症随年龄增加而加重的主要畸形为
A．主动脉骑跨
B．右心室肥厚
C．室间隔缺损
D．房间隔缺损
E．肺动脉狭窄
