苦寒清泄燥湿，主归肝胆，兼归膀胱。既善清下焦湿热，又善泻肝胆实火
A．黄芩B．黄连C．黄柏D．龙胆草E．苦参
参考答案：D
The zoo is far away from my hotel. It me at least two hours to get there. [ ]
A. took
B. has take
C. takes
D. will take
下述哪种表现不是血栓闭塞性脉管炎的特点（）
A.病人多为男性青壮年
B.病变主要侵袭四肢中、小动静脉
C.肢体缺血症状多是周期性发作
D.反复发作游走性浅静脉炎
E.X线检查显示动脉有钙化斑
