第12题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Because she has to work. B. Because she doesn’t want to. C. Because she is going out for dinner at a restaurant. D. Because she is meeting someone in a restaurant. 参考答案:A 答案解析:[听力原文] M: The Students’ Club is having a party this evening. Can you come and help with the drink
第16题: [单项选择]调血脂药目前主要是针对胆固醇和甘油三酯的合成和分解代谢而发挥作用。下列说法不正确的是() A. 氯贝丁酯是苯氧乙酸类调血脂药 B. 洛伐他汀临床使用其左旋体 C. 辛伐他汀结构中含有内酯环,酸碱催化下易水解 D. D.羟甲戊二酰辅酶A(HMG-Co还原酶抑制剂:洛伐他汀、辛伐他汀 E. 洛伐他汀结构中有8个手性中心 参考答案:B 答案解析:洛伐他汀结构中有8个手性中心,有旋光性,为右旋。所以答案为B。