人教新课标高中英语选修六《Unit4 Using language》课件

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1、Have you ever seen the film The Day After Tomorrow? What kind of disasters have you seen in the film? What have you learnt from the film?,Tsunami hits Indonesia,Desertification,What causes the global warming?,gas emission,What is the effect of global warming?,What can we do about global warming?,WHA

2、T CAN WE DO ABOUT GLOBAL WARMING?,What shall we do in our daily life?,What is Ouyang Guangs opinion about environmental problems?2. Does Earth Care agree with his opinion?,Skim the first letter, and answer the questions below:,Skimming,Individuals can have little effect on environmental problems.,No

3、. Together, individuals can make a difference.,Now scan the letter and list Earth Cares suggestions in the chart on P30, and discuss whether you can carry out each suggestion. Give reason for you answers.,Turn electrical appliances off when not using them. Dont turn up the heat, put on more clothes.

4、 Walk or ride a bike, dont drive. Recycle cans, bottles, plastic bags and newspapers. Buy things made from recycled materials. Buy products that use less energy. Plant trees. Talk with family and friends about global warming.,Dictionary time,With the help of your dictionary, finish the following exe

5、rcises.,It would be more _ to buy a small car, for it can save energy. economical B. economic C. economically D. financial 2. Its the thought that counts. (Choose the synonym of the underlined word) commits B. matters C. advocates D. refreshes,What can we do about global warming?,SummaryWe should do

6、 something about global warming. Because it could have many negative effects on the earth. With the temperature increasing, the polar ice caps eventually would melt, causing sea levels to rise by several meters. Coastal and low-lying cities would be submerged. Some scientists predict severe storms,

7、droughts, famines, the spread of diseases and the destructions of species.,A : We shall do something about global warming.,B: We shall do nothing about global warming.,Debate,Fight global warming Cut down on energy. Cut down on carbon dioxide. If not using an electrical item, turn it off. If you sud

8、denly feel cold, dont turn the heat up, put on a jacket instead. Walk or ride a bike and save fossil fuels. Recycle paper, cardboard and newspapers. Buy products made from recycled materials. Buy energy-saving products like low energy light bulbs. Plant trees to absorb CO2. Tell your friends about g

9、lobal warming. Every effort counts!,exercise 2 on page 31,on behalf of 代表，为了 He spoke on behalf of all the members of the faculty and staff. 他代表全体教职员工讲了话。 on sb.s behalf 以某人的名义; 为了某人; 代表某人 in behalf of For the benefit of; in the interest of. 为了；为了利益,make a difference,make a difference (1)有很大差别, 有很大不

10、同 (2)有很大的关系/影响 make some/ no difference to对.有些/没有关系,That makes no difference to me. 那对我没有影响。 Exercise can make a great difference to your health. 锻炼对你的健康产生很大的影响。,put up with,put up with 忍受;忍耐;受苦 That woman, as a housewife, has a lot to put up with. 作为家庭主 妇,那女人得忍受很多烦恼。,知识拓展,put aside 节省(钱、时间);储蓄;把放在一

11、边 put away 收拾起来; 储存(钱);喝掉 put back 放回原处; 拖延 put down 写下; 记下; 控制 put forward 提出(意见、建议);推荐 put off 延期; 推迟 put on 假装; 增加; 上演(戏剧) put out 熄灭; 使忧虑; 扑灭; 出版 put up 举起; 张开(伞); 张贴; 为提供食宿,so long as / as long as,as long as 只要，如果 As long as there is life there is hope. 留得生命在, 不怕没希望. You can go out, as / so lon

12、g as you promise to be back before 11 oclock. 你可以出去, 只要你答应在11点以前回来.,Ill accept any job as / so long as I dont have to get up early. 只要不必早起, 任何工作我都可以接受. 在用as / so long as连接的从句中, 当其谓语为be,而主语和主句的主语相同时, 则从句的主语和be可以省略。如: Im sure we are safe as long as (we are) in his care. 我深信只要在他的保护下, 我们就会平安无事.,Pre-list

13、ening: Read Exercise 1 together: Read the statements below and tick the ones you agree with.,We should stop depending on fossil fuels for our energy. 90% of our energy comes from fossil fuels. We can replace fossil fuels with cleaner sources of energy. Nuclear power is a good source of energy.,Liste

14、ning and speaking,Page 31,First listening: Listen and decide which statement Professor Keepling does not agree with.,We should stop depending on fossil fuels for our energy. 90% of our energy comes from fossil fuels. We can replace fossil fuels with cleaner sources of energy. Nuclear power is a good

15、 source of energy.,Agree,Disagree,Agree,Disagree,Second listening: Listen Part 1 again and tick the energy sources that are mentioned. Complete the notes on them.,produce carbon dioxide cheap and concentrated form of energy,clean not practical: need huge areas of land to provide enough energy,clean

16、not very practical with present technology,does not produce carbon dioxide dangerous,Third listening: Listen to Part 2 and then list three things we can do to save energy.,First we must try to find ways to use fossil fuels that does not put carbon dioxide into the air. Second we must produce product

17、s that are economical with energy. Third we must ask people to cut down on the energy they use.,Third listening: Listen to part 2 again and fill in the blanks.,LI BIN: What about_? They dont cut down on their use of_. KEELING: No, they dont. However, that is a_ we must work on as a _ community. That

18、 means_ and _ countries will have to work together. LI BIN: But its not the_ countries that put most of the carbon_ into the air. The developed countries are really the ones to _.,factories,energy,problem,global,developed,developing,developing,dioxide,blame,Now read again what Professor Keeling and

19、Li Bin say. Then in groups discuss who you agree with and give reasons. Use some of the phrases listed below or any others you know.,Speaking:,agreement,disagreement,Exactly. Thats true. Youre right. Thats right. Thats correct. I agree.,Im afraid I disagree with you. Im afraid not. No, I dont agree.

20、 I dont think so. No way. I doubt ,S1: I agree with Li Bin. It is the developed countries are really the ones to blame and to pay for that. S2: Well, Im afraid I disagree with. Professor Chen is right. Whatever we do, we have to do it as a global community. Developed and developing countries should

21、work together to improve the environment.,S3: I hold the same viewpoint as Li Bin. In developed countries people are producing a large amount of carbon dioxide, which contributes to global warming. Isnt it their duty to do something to decrease the speed of global warming? S1: Exactly.,S2: It is tru

22、e that the developed countries are the ones to blame and they should do something. But is it right for developing countries to look on without doing anything? Remember we have only one earth, which is like a big family. All of us are family members. Think about this: in a family, if one child makes a mistake, what should his brothers or sisters do-blame him without doing anything or help him correct the mistake?,S1: I see. We should take part in the action instead of looking on and complaining. S3: I agree, too. Thank you. Ive got a better understanding about this.,