A.He thinks the book should include more information.
B.He doesn't think it necessary to provide the answers.
C.The answers will be added in a later edition.
D.The book does include the answers.
第6题
第一个用于临床的第三代喹诺酮类药物
A.利福平
B.诺氟沙星
C.氧氟沙星
D.盐酸环丙沙星
E.盐酸乙胺丁醇
第9题
最早用于临床的广谱抗菌药物为()
A.甲硝唑
B.氯霉素
C.磺胺类
D.喹诺酮类
E.四环素族类
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