流行性脑脊髓膜炎治疗可选用的抗菌药物为（）
A.青霉素
B.三代头孢菌素
C.磺胺药
D.红霉素
E.氯霉素
参考答案：A, B, C, E
There ______money in the purse. But there is a ring(戒指) in it. [ ]
A. isn't some
B. isn't any
C. aren't some
D. aren't any
