21.既涌吐痰涎，又截疟的药物是(     )

A.槟榔                                 B.青蒿

C.常山                                 D.生首乌

22.既破气消积，又化痰除痞的药物是(     )

A.枳实                                 B.青皮

C.香附                                 D.川楝子

23.主治肾虚阳痿及虚寒便秘的药物是(     )

A.硫黄                                 B.杜仲

C.雄黄                                 D.巴戟天

24.善治米面薯芋类积滞的药物是(     )

A.神曲                                 B.麦芽

C.山楂                                 D.鸡内金

25.最适用于小儿蛔虫病的药物是(     )

A.使君子                               B.槟榔

C.苦楝皮                               D.南瓜子

26.具有解毒、清肺化痰作用的药物是(     )

A.瓜蒌                                 B.半夏

C.大蒜                                 D.硼砂

27.治疗血热所致之痔血、便血，宜首选的药物是(     )

A.小蓟                                 B.大蓟

C.槐花                                 D.茜草

28.既活血调经，又补血调经的药物是(     )

A.红花                                 B.丹参

C.桃仁                                 D.鸡血藤

29.善治头面部疾患，祛风痰解痉的药物是(     )

A.半夏                                 B.桔梗

C.禹白附                               D.白芥子

30.龙骨入煎剂应采取的煎煮方式是(     )

A.先煎                                 B.包煎

C.另煎                                 D.冲服