水样耳漏常见于（）。
A.分泌性中耳炎
B.外耳道湿疹
C.化脓性中耳炎
D.脑脊液耳漏
E.大疱性鼓膜炎
参考答案：D
用所给词的正确形式填空。
1. They work out the difficult maths problem all by _____ (oneself) today.
2. What would you do if you _____ (win) a scholarship?
3. If it _____ (be) nice today, we _____ (go) for a picnic. But we were unlucky today.
4. If I _____ (have) time, I could play with you.
5. If you had got up earlier, you would _____ (catch) the train.
最可能的出血原因是
A．子宫收缩乏力
B．软产道裂伤
C．胎盘残留
D．凝血功能障碍
E．羊水栓塞
