四川的地道药材是（）
A.大黄
B.党参
C.川芎
D.薄荷
E.砂仁
参考答案：C
What do you think of the reason _______ he mentioned at the meeting _______ winning this competition?
A．why; why
B．that; of
C．which; why
D．\; for
可能由于老年性下睑松弛造成的是（）。
A.功能性溢泪
B.婴幼儿泪道阻塞
C.慢性泪囊炎
D.泪小点狭窄
E.急性泪囊炎
