第9题: [多项选择]关于药物药动学特点,叙述正确的是() A. 饮酒和吸烟可诱导药物代谢酶,改变药物的代谢 B. 细胞色素P450的遗传多态性是引起血药浓度个体差异的原因 C. 患者食用水果不影响血药浓度 D. 甲状腺功能异常可影响某些药物的药动学 E. 妊娠妇女用药时应主要考虑对胎儿的安全性,而药物的药动学无变化 参考答案:A, B, D
第29题: [单项选择]He was praised for ______ a great contribution to his county. A. have made B. being made C. be made D. having made 参考答案:D 答案解析:[分析] 本题测试点是现在分词的时态。本题中现在分词的动作先于谓语动词发生时,则要用现在分词的完成体,形式为having done。例如:Having failed several times,the