需要后下的是()
A.石斛
B.阿胶
C.西洋参
D.钩藤
E.麻黄
参考答案:D
There are two________ in the basket. [ ]
A. potatos
B. potatoes
C. potato
D. zoos
气胸
A.发绀伴呼吸困难
B.发绀伴杵状指
C.速发型发绀伴意识障碍
D.淤血性发绀
E.缺血性发绀