乌头赤石脂丸合苏合香丸治疗寒邪极盛胸痹，其作用为
A．补益心气
B．芳香温通
C．活血化瘀
D．祛寒活血
E．宽胸止痛
参考答案：B,D
The determined look in their eyes told us that nothing could make them ______. [ ]
A. change their mind
B. to change their minds
C. change their minds
D. to change their mind
奴隶制国家大和统一日本的时间是[ ]
A．1世纪前后
B．2世纪
C．3世纪
D．5世纪
