目前最常用的最有效的引产方法是
A．利凡诺药物引产B．水囊引产C．人工破膜弓1产D．前列腺素引产E．催产素引产
参考答案：E
— __________.
— Ok. How are you doing? [ ]
A. How is it going?
B. How do you do?
C. What's up?
D. What is the matter?
寒邪的致病特点是（）。
A.其性开泄
B.易伤津血
C.易于动血
D.其性重浊
E.其性凝滞
