龙胆的主治证是（）
A.湿热黄疸
B.湿热带下
C.湿热泻痢
D.惊风抽搐
E.肝火头痛
参考答案：A, B, D, E
基层康复员培训的内容？
Cycling is a very useful way, especially in cities _______ bike paths have been built.
A．which
B．that
C．where
D．what
