1.科技类话题：Telephone has had greater effects on people’s lives than TV.
2.教育类话题：To improve the quality of education, universities should spend more money on professors’ salaries.
3。朋友类话题：Getting advice from friends who are older than you is better than getting advice from friends who are of the same age as yours。
4.环境类话题：Most of the environmental issues are too complicated today. Individuals cannot do anything about them.
5。政府类话题：The most important thing that the government can do in improving health care is to clean the environment。
6.媒体类话题：Advertising is a waste of time and money because customers already know what they want.
7.动物类话题：More and more people are spending money on their pets, even though there can be other good ways to spend money.
8.成功类话题：In order to achieve success, we must be more like others than be different from others.