引起难以控制的产后出血的原因是()
A.凝血功能障碍
B.子宫收缩乏力
C.软产道裂伤
D.胎盘剥离不全
E.胎盘剥离后滞留
参考答案:A
一 Why do English people talk so often about the weather when they start a conversation?
一 Well, it's probably because the weather is a(n) _____ topic. [ ]
A. safe
B. sensitive
C. amazing
D. ordinary
在中国民间,张飞是忠义的代表。