第27题: [单项选择]Mr. Smith used to smoke ______ but he has given it up recently. A. immediately B. roughly B. heavily C. completely 参考答案:C 答案解析:[解析] 考查知识点:smoke heavily表示抽烟很厉害,不说smoke immediately,smoke roughly或smoke completely。
第28题: [多项选择]影响药物水解的外部因素有(). A. 温度 B. 药物结构 C. 溶剂 D. 浓度 E. 水分 参考答案:A, C, D, E