下列各项，需烊化服的药物是（）
A.豆蔻
B.海金沙
C.桂枝
D.牡蛎
E.阿胶
参考答案：E
将国家与其首都连线
— How many theatres are there in your town?
— _____________.[ ]
A. It's four
B. They're three
C. Sorry, I don't know
