下列哪组抗菌药物属杀菌药()
A.青霉素类、氨基糖苷类
B.头孢菌素类、红霉素
C.红霉素、氯霉素
D.氯霉素、多黏菌素类
E.氨基糖苷类、多黏菌素类
参考答案:A, E
"She's not a dancing teacher, is she?" "________."
A.Yes, and she isn'
B.Yes, but she was
C.No, but she isn't
D.No, but she was
WDM系统可分为()和()。