问题
单项选择题
化学结构为()。
A.氯苯那敏
B.苯海拉明
C.氯丙那林
D.氨氯地平
E.咪康唑
答案
参考答案:B
化学结构为()。
A.氯苯那敏
B.苯海拉明
C.氯丙那林
D.氨氯地平
E.咪康唑
参考答案:B
完形填空。 | ||||
Not all advertising is about selling products and services for a profit. 1 contemporary advertisements mainly aim to make contributions to 2 . There are public advertisements which 3 citizens to participate in improving their neighborhood, protecting the environment, and helping other people. Over the last decade, the government has worked hard at using advertisements to educate the 4 on fighting AIDS, saving water, helping the poor, giving up smoking, etc. These advertisements have helped to increase public knowledge, 5 has made our society a better place for everyone. | ||||
|