假膜性肠炎选择下列哪种药物为佳（）
A.头孢呋辛
B.黄连素（小檗碱）
C.万古霉素
D.阿米卡星
E.头孢哌酮
参考答案：C
(2014·江西六所重点高中3月模拟)He told a joke about death which I thought was in rather poor________considering that Steve’s father had just died.
A．sense
B．taste
C．character
D．quality
旋转极限力矩限制器调定的摩擦力矩应为起动力矩的（）。
A、90%
B、100%
C、110%
D、120%
