第19题: [单项选择]All the communists ______ the people instead of being served by the people. A. are supposed to serve B. are opposed to serving C. are subjected to serving D. object to serving 参考答案:A 答案解析:[精解] 题型:词汇题。be supposed to do指在别人看来“应当,应该”。而be opposed to doing和object to doing均作“反对,不赞成”解。be subjec
第23题: [单项选择]大黄具有的功效是 A. 清热泻火,解毒止血 B. 活血祛瘀,通络止痛 C. 泻火凉血,清心除烦 D. 利胆退黄,清热除疳 E. 泻火解毒,凉血除蒸 参考答案:A
第24题: [单项选择]苯巴比妥在90%的乙醇溶液中溶解度最大,则90%的乙醇溶液是() A. 潜溶剂 B. 极性溶剂 C. 助溶剂 D. 消毒剂 E. 增溶剂 参考答案:A 答案解析:注意潜溶剂、助溶剂、增溶剂的区别。对不溶或难溶于水的药物,在水中加入一种或几种与水互溶的其他溶剂而组成混合溶剂时,其中各溶剂达到某一比例时,可使药物溶解度明显提高,药物的溶解度出现极大值,将这种混合溶