细菌性角膜炎中首选万古霉素的病原体有（）
A.耐甲氧西林葡萄球菌
B.链球菌
C.淋球菌
D.肺炎双球菌属
E.绿脓杆菌
参考答案：A
We're happy that our country has developed ______ these years than before. [ ]
A. quickly
B. less quickly
C. more quickly
D. most quickly
天癸的至与竭，取决于
A．肾主闭藏的生理功能B．肝主疏泄的生理功能C．两者都有关D．两者都无关
