治疗厥阴经头痛，可选用的引经药是（）。
A.葛根，白芷
B.羌活，蔓荆子
C.柴胡，黄芩，川芎
D.细辛
E.吴茱萸，藁苯
参考答案：E
用所给单词的适当形式填空。
1. Does your brother often go ____ (swim) in summer?
2. Look! Some students ____ (climb) the hill.
3. He ____ (do) his homework on weekends.
4. My mother often watches TV after supper.
But now she ____ (not watch) TV; she ____ (wash).
5. When ____ your mother usually ____ (get) up in the morning?
Ag-DDC光度法测砷时，三乙醇胺起何种作用（）。
A.有机酸
B.有机碱
C.络合剂
D.氧化剂
