中药槐米中的主要有效成分
A.是槲皮素
B.在冷水和热水中溶解度相差悬殊
C.能与四氢硼钠反应
D.可用碱溶酸沉法提取
E.能与硼酸发生络合反应
参考答案:B,D,E
—The exam wasn't difficult at all, was it?
—No, but I don't believe could pass it. [ ]
A somebody
B. everybody
C. anybody
D. nobody
下列贝类药物,不具有制酸止痛的作用的是
A.瓦楞子
B.海蛤壳
C.石决明
D.牡蛎
E.乌贼骨