A ．增强疗效                                                   B ．防治周围神经炎

C ．减轻肝毒性                                                D ．减少胃肠反应

41 ．最适于治疗金黄色葡萄球菌引起的急性、慢性骨髓炎的药物是 (       )

A ．红霉素                                                       B ．克林霉素

C ．氨苄西林                                                   D ．多粘菌素 E

42 ．金刚烷胺常用于何种病毒感染 (       )

A ．麻疹病毒                                                   B ．腮腺炎病毒

C ．甲型流感病毒                                            D ．乙型流感病毒

43 ．体内抗菌活性最强的喹诺酮类药物是 (       )

A ．环丙沙星                                                   B ．氟罗沙星

C ．依诺沙星                                                   D