题目

Ad. 1 April fool’s party On Friday, April 1, Inner Affair goes back to the days of funk! Classic Tunes from the 70’s and 80’s by DJs Den & Sion. 9pm till late. Tickets: Free entrance for those in costume, otherwise 50 yuan (US$6) Time/date: 9 pm, April 1 Place: Inner Affair, 1/F Qiankun Dasha, 6 Sanlitun Xiliujie, Chaoyang District Tel: 8454 0321 Ad. 2 Language in use Enjoy free in house coffee, tea and beer as well as music and dancing. Practice your Chinese, make friends and have fun. Time/date: 7 to 9 pm, March 25 Place: Language In Use Club, 2/F, Science Fortune Center, 天然油脂结构的核心为甘油[HOCH2CH(OH)CH2OH]，有一瘦身用的非天然油脂，其结构的核心则为蔗糖（C12H22O11），该非天然油脂可由直链型的不饱和油酸（C17H33COOH）与蔗糖反应而得，其反应示意图如图（注：图的反应式不完整）则下列说法不正确的是 A．该非天然油脂含有碳碳双键、酯基等官能团。 B．油酸与蔗糖的反应属于皂化反应 C．该非天然油脂与氢氧化钠溶液共热，水解后的产物，可与溴的四氯化碳溶液反应 D．蔗糖分子结构中不含醛基，是非还原性糖，不能直接与银氨溶液发生银镜反应