[单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Tennis shoes. B. Some Clothes. C. Nothing yet. D. Music record.
参考答案:C 答案解析:[听力原文]
W: I suppose you have been buying Christmas gifts for your family.
M: I bought tennis shoes
第4题: [单项选择]关于药物通过生物膜转运的特点的正确表述是( )。 A. 胞饮作用对于蛋白质和多肽的吸收不是十分重要 B. 促进扩散的转运速率低于被动扩散 C. 主动转运借助于载体进行,不需消耗能量 D. 被动扩散的物质可由高浓度区向低浓度区转运,转运的速度为一级速度 E. 被动扩散会出现饱和现象 参考答案:D 答案解析:[知识点] 生物药剂学概述