Unit 1 Living with technology课件30（牛津高中选修7）.ppt

Making a list of pros and cons 1. 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 Now let’s read a newspaper article about the possible negative effects of mobile phone use on people’s health. Try to find out the main ideas of the article. 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 carried out in Sweden, comparing 1,617 patients found to have brain tumours with the same number of healthy people. It was found that people who used mobile phones were two and a half times more likely to have a brain tumors. 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 people’s health. Supporting details: Enormous profit from the telecommunications industry prevents the bad results of findings from being made public. As we have learnt how to make a statement and how to support it, now you need to complete the project to make a list of pros and cons. Advantages and disadvantages of computer use / MP3 / TV Chose a topic and discuss with your partners on this topic. Then write a list of the advantages and disadvantages of … 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? Introduction Advantages / evidence Disadvantages / evidence Conclusion Useful expressions It is said that…