(1) 手机类：

1. There are social, medical, and technical problems associated with the use of mobile phones. What forms do they take? Do you agree that the problems outweigh the benefits of mobile phone? 手机的使用带来了社会， 医疗和技术问题.

2. Mobile phones and the internet are very useful. However, it is rare for the old people to use them. In what ways can mobile phones and the internet be useful to the old people? What could be done to encourage the old people to use mobile phones and the internet? 老人如何学习使用手机.

(2) 广告类：

1. Some people believe that advertisements should be banned since they serve no useful purpose and can even be damaging. To what extent do you agree or disagree? 广告应不应该被废除？

2. Nowadays, customers are facing increasing advertisements with the competition of different companies. To what extent do you think customers are influenced by advertisements? What measures can be taken to protect the customers? 现在广告愈来愈多，广告在多大的程度上影响了消费者，如何保护消费者？

(3) 犯罪类：

1. Research suggests that majority of criminals who send to prison would commit crimes when set free, what do you think of this case? What can be done to solve this problem? 持续犯罪的原因以及解决途径？

Some people suggest that there should be restrictions on a detailed description of crimes in the newspapers and on television. To what extent do you agree or disagree? 有人建议对于报纸和电视上犯罪细节的描述应该加以限制，你在多大程度上同意？

(4) 环保类：

1. Many people think it is very important to protect environment but they make no effort to do it themselves. Why does it happen? How to solve this problem? 不少人认为保护环境重要, 但是没有行动. 为什么? 如何解决?

2. Development in technology leads to environmental problems, and some people think that the solution to these problems is for everyone to lead a simpler way of life, while others say that technology can solve these problems. Discuss both views and give your own opinion. 高科技发展导致环境污染，保护环境是要人们过简单生活还是依赖科技？

(5) 电视类：

1. Do you agree or disagree with the following statement? Television has destroyed communication among friends and family. Use specific reasons and examples to support your opinion. 是否认为电视破坏了家庭和朋友间的交流：