第17题: [单项选择]在过量强碱液中可转变为醇式或醛式的药物是( )。 A. 麻黄碱 B. 小檗碱 C. 苦参碱 D. 莨菪碱 E. 乌头碱 参考答案:B 答案解析:[试题解析] 本组题考查要点是“含生物碱的药物的鉴别反应”。①乌头碱、次乌头碱、美沙乌头碱等为双酯型生物碱,具麻辣味,毒性极强,是乌头的主要毒性成分。若将双酯型生物碱在碱水中加热,或将乌头直接浸泡于水
第34题: [简答题]电视商业广告已经成为了我们生活中的一部分。写一篇短文,阐述一下你对电视商业广告的看法。 参考答案:
[参考范文]
I think TV commercial ads have both advantages and disadvantage.
To begin with, they are good because they can popularize the latest products. For example, If some people want to buy a digital camera, but they have no idea about which brand is the best and where to buy it. They may just find out relevant information about it by watching TV ads. But, of course, TV commercial ads are bad because some of them are misleading. For example, some ad about an English training course says "Come and join us. You can learn how to speak English within D0 minutes."
To conclude, people should be very much careful about TV commercial ads.
第35题: [单项选择]炙甘草汤之主要功用为 A. 川芎 B. 当归 C. 黄芪 D. 附子 E. 白芍 参考答案:B