肾虚头痛的主方是:
A.大补元煎
B.杞菊地黄丸
C.右归饮
D.金匮肾气丸
E.以上都不是
参考答案:A
______________ your teacher often borrow books from the library? [ ]
A. Is
B. Are
C. Does
D. Do
痰浊壅塞之胸痹的特点是()
A.胸闷如窒而痛
B.胸痛彻背,感寒痛甚
C.胸部刺痛,固定不移
D.胸闷隐痛,时作时止