Project Making a list of pros and cons,Unit 1Living with technology,Lead-in questions,How many of you have a mobile phone?. 2. Why do you use mobile phones? 3. Can you list some functions of mobile phones?,Different functions of mobile phones,making a phone call,taking photos,listening to music,Surfing the Internet,sending short messages,Do you think it is safe to use mobile phones? Do you think mobile phones are a danger to your health? Why?,Now lets read a newspaper article about the possible effects of mobile phone use on peoples health.,Reading strategy,a newspaper article,the title,the first paragraph,Read the title and the first paragraph carefully and predict whats the authors attitude towards mobile phone use.,What has the British Association for the Advancement of Science reported? Why is the work that Harris and his colleagues did very important? Why is the telecommunication industry unwilling to say that the products they are selling could possibly be dangerous? What does Sir William Stewart point out?,Now lets read the article and find out the main ideas of the article to fill the following form.,1. Using a mobile phone doubles the risk of developing brain cancer.,2. Digital mobile phones are an actual danger.,3. The reasons why there is no definite scientific evidence available now about the effects of mobile phones on peoples health.,Main points,Main point 1: Using a mobile phone doubles the risk of developing brain cancer. Supporting details The report is based on the findings of research that was carried out in Sweden, comparing 1,617 patients found to have brain tumours between 1997 and 2003 with the same number of healthy people.,Main point 2 Digital mobile phones are an actual danger. Supporting details: The study, conducted with 200 mice, of which half were exposed to radiation while the other half did not receive any radiation, shows that the first half were found to have more than twice the cancer rate of the second half after eighteen months.,Main point 3 The reasons why there is no definite scientific evidence available now about the effects of mobile phones on peoples health. Supporting details: Enormous profit from the telecommunications industry prevents the bad results of findings from being revealed.,As we have learnt how to make a statement and how to support it, now you are expected to conduct a discussion about the pros and cons of computer use.,Discussion Time,Advantages and disadvantages of computer use,What are the advantages of using computers? What are the disadvantages of using them? Do you think computers are a danger to your health? Can you list some evidence to prove your statement?,Sample,Writing structure,Introduction Advantages/ evidence Disadvantages/evidence Conclusion,Useful expressions,It is said that/ It is acknowledged that Sb. believed/ thought that hold an opinion that additionally/ in addition on the other hand in the same way ,language points,1. double,(1) It is difficult to understand her, for sometimes she is a strict police officer but sometimes a drug dealer. She must have led a _ life.,double,adj. Combining two things and qualities 双重的,(2)When I saw her and her twin sister I thought I was seeing _.,double,adv. in twos or in two parts 成对,(3) He is paid _ for the same job, which means he gets twice the money.,double,n. twice the usual number or amount 两倍, 加倍,(4) The price of houses has virtually _ over the past few years. Even though he was paid _, he couldnt afford his apartment at a time.,doubled,doubled,Vi. Cause sth to become Twice as much or as many 加倍,2. terminal,When he was rushed to the hospital, he was examined _cancer.,adj. of the last stage in a fatal disease 晚期的,terminal,Excuse me, where is the _ of the train ?,terminal,n.the end of the a train or a bus 终点,终点站,3. It was found that people who used mobile phones were two and a half times more likely to have a brain tumour on the side of the head where they held their phones than people who did not use them.,It was found that 后接一主语从句,这里的 it是 形式主语,真正的主语是that后面的内容. who used mobile phones 和who did not use them 都是定语从句,分别修饰先行词people.,4. This study was conducted with 200 mice, half of which were exposed to radiation while the other half did not receive any radiation.,be exposed to “被暴露于,经受”,这种油漆能经受各种天气的考验.,作为战地护士, 她置身于各种各样的危险之中.,This kind of paint can be exposed to all kinds of weather.,As a nurse in the war she was exposed to many dangers.,5. The amount of radiation was equal to using a mobile phone for two half-hour periods per day.,be equal to “ 等于,相当于”,总体上说, 女性的体力不及男性.,On the whole, women are not equal to men in physical strength.,6. For years, the cigarette companies would not acknowledge that cancer is associated with smoking, but now we all know that it is.,be associated with “与有联系, 与相关”,人们常把威士忌同苏格兰联系起来.,Whisky is usually associated with Scotland.,be connected with, be linked with,7. available,(1) All the fruits of