走黄外治时用药有特殊关系的是（）。
A.五五丹
B.八二丹
C.冲和膏
D.生肌散
E.金黄膏
参考答案：B, E
________ he can't understand is ________ his son doesn't like the school.He is very upset about this. [ ]
A. That; why
B. Why; that
C. What; why
D. Whether; that
能止咳平喘，润肠通便，且无毒性的药物是
A．葶苈子 B．杏仁 C．白芥子 D．黄药子 E．苏子
