男性婴儿 * * 梗阻的重要原因是（）
A.结石
B.结核
C.肿瘤
D.狭窄
E.先天性后 * * 瓣膜
参考答案：E
静脉补钾，浓度一般不超过（）
A.2%
B.3%
C.0.3‰
D.2‰
E.3‰
---_________ would you like?
--- Strawberry and banana ice cream.
A．What kind of dessert
B．What size bowl of dessert
C．What kind of noodles
D．What size bowl of soup
