下列哪种抗菌药物不属于杀菌剂（）。
A.青霉素
B.头孢菌素类
C.链霉素
D.红霉素
E.多粘霉素
参考答案：D
境外客户申办牡丹信用卡时提供的有效证件可以为护照。（）
—Isn't that Ann's husband over there?
—No, it ______ him. I'm sure he doesn't wear glasses. [ ]
A. is
B. isn't
C. are
D. wasn't
