用败毒散治疗痢疾，属于（）
A.通因通用
B.以泻代清
C.增水行舟
D.逆流挽舟
E.提壶揭盖
参考答案：D
请介绍全球通尊享可选套餐资费.
— You should have prepared your speech for the meeting, Mr. Smith.
— Yes, I know. But how could I _____ the meeting date fixed so soon?
A．while
B．as
C．after
D．with
