第6题: [单项选择]Questions 23 to 25 are based on the conversation you have just heard. A. There are some interesting items on the grocery list. B. There are some mistakes in the list. C. It is actually his notes. D. She’s never seen a grocery list before. 参考答案:C 答案解析:[听力原文] What does the woman mean when she says "an interesting ’grocery’ list"
第15题: [单项选择]丹参的醌类成分中，属于对醌类化合物的是 A. 丹参酉昆ⅡA B. 隐丹参酉昆 C. 丹参醌Ⅰ D. 丹参新醌甲 E. 丹参酸甲酯 参考答案:D 答案解析:[解析] 本题考查丹参中的醌类化合物分类。
丹参含有多种菲醌衍生物，其中丹参醌ⅡA、丹参ⅡB、隐丹参醌、丹参酸甲酯、羟基丹参醌ⅡA等为邻醌类衍生物，丹参新醌甲、丹参新醌乙、丹参新醌丙为对醌类化合物
