以下对绿脓杆菌无效的青霉素为（）
A.磺苄西林
B.美洛西林
C.阿帕西林
D.羧苄西林
E.阿莫西林
参考答案：E
— What would you do if you won the lottery?
— I would give it_____ medical research.
A．of
B．for
C．to
D．at
