乙型肝炎或丙型肝炎可用()
A.缩宫素
B.干扰素
C.鱼精蛋白
D.麦角胺
E.维生素K
参考答案:B
-Mum, why not having hamburgers instead of dumplings?
----Good idea.
A.practice
B.remember
C.forget
D.consider