治疗阴痒之肝经湿热证的代表方是（）
A.逍遥散
B.知柏地黄丸
C.四逆散
D.龙胆泻肝汤
E.以上都不是
参考答案：D
食管的第二狭窄在（）
A．起始处
B．穿膈处
C．与左主支气管交叉处
D．与右主支气管交叉处
E．与胃相接处
_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally.
A．It is
B．There has
C．There is
D．It has
