对比选择型议论文写作训练.ppt

Learning Objective ＊Evaluate two points of view and say which one you agree with. ＊ Practice writing an introduction, body paragraph and a conclusion. ＊ Topic: mobile phone 对比选择型(正反两点论式)议论文 要求从正反两方面对某一事物加以论述。这类议论文有其固定的模式，如就某一事物或现象给出两种完全对立的观点，然后再摆出自己的看法；或是先说明某一事物的重要性，积极因素，然后再说明该事物的危害性、消极因素等。 Some people say that mobile phones represent a danger to users because of the possible health issues, such as cancer or brain damage, associated with them. Others say that mobile phones are a great benefit to mankind. Evaluate these two viewpoints and give your own opinion. Group Discussion What are some of the possible health risks from using mobile phone? What are some of the benefits of using mobile phones? Make a list of these with your partner. Model 1 Read Model 1 and check if the writer mentioned the same benefits that thought of. What is the writer’s overall opinion about mobile phone use? Paragraph 1 Mobile phones are becoming increasingly popular nowadays, and the number of people using them has grown hugely, especially in developing countries. There is some debate about the safety of mobile phones, but in my opinion, the benefits from these phones are far greater than any possible health risks. Paragraph 2 There is some concern that mobile phones may cause brain damage or cancer because of the radiation they emit while they are being used. Some people are also worried that cell phone owners may be bad for health. However, researchers have conducted experiments over many years to find out if this is true, and so far they have found no evidence for this. Paragraph 3 On the other hand, mobile phones have many benefits. They help individuals to communicate quickly and easily, and they can be used both for social reasons and in emergencies. For example, people can use them to contact their friends. They are also useful if someone has an accident while driving. In addition, isolated communities which do not have land lines can use mobile phones to contact t