明确将中风病分为闭、脱二证的是下列哪位医家（）
A.扩李东垣
B.李中梓
C.李时珍
D.李士材
E.叶天士
参考答案：B
A government official was murdered last Friday and the police are collecting information that is________to the case.
A．relevant to
B．similar to
C．devoted to
D．addicted to
体外抗菌活性最强的常用喹诺酮类药物是（）
A.诺氟沙星
B.洛美沙星
C.环丙沙星
D.氧氟沙星
