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1、,1.平均的；普通的 2.污染(n.) 3.增长(n.) 4.教育工作者 5.贡献(n.) 6.分歧；不一致 7.显示；展示 8.生存；存在 9.代表 10.忍受 11.大体上,average pollution growth educator contribution disagreement presentation existence on behalf of put up with on the whole,1.economical 2.electrical 3.advocate mitment 5.appliance 6.casual 7.motor 8.circumstance 9
2、.refresh 10.nuclear 11.microwave,节约的；经济的,带电的,拥护；提倡,承诺；信奉,用具；工具,随意的,发动机,环境,使恢复,核能的,微波炉,Using language,Unit 4,Welcome,What can we do about global warming,burning fossil fuels,carbon dioxid,greenhouse effect,global warming,What disasters will be caused by global warming?,famines,diseases,disappearance
3、of species,The earth is in danger.,What can we do about global warming?,The reading task consists of two _ One is a request from a _ who is asking for _ _ The other letter offers the student some suggestions on _ _,letters,student,what to do about global,suggestions for his,warming/ how to deal with
4、 global warming,project global warming.,Fast reading,1.Read Ouyang Guangs letter and answer What is his opinion about individuals effect on global waiming? 2.Read Earth Cares reply Does Earth Care agree with Ouyang Guangs opinion?,He thinks individuals have little effect on such huge environmental p
5、roblems.,No, Earth Care disagrees with him.,Careful reading,Scanning,If you are not using electrical appliances, turn them off.,Yes,Save energy,Yes,Save energy,Yes,Save energy,Yes,Save energy,put on more clothes instead of turning up the heat.,walk or ride a bike as often as you can.,Recycle cans, b
6、ottles, plastics and newspapers and buy things made from recycled materials.,If you are cold,Yes,Save energy,Yes,Plants absorb carbon dioxide from the air.,Plant more trees.,Buy products that are economical with energy.,Yes,Together, individuals can make a difference.,Talk with your family and frien
7、ds about global warming and tell them what youve learned.,Find out these phrases in the two letters 1.代表 2.对.有影响 3.有意义；有影响 4.容忍 5.只要 6.打开 7.关上 8.开大 9.电气设备 10.你的贡献很有价值,1.on behalf of 2.have an effect on 3.make a difference 4. put up with 5.so long as 6.turn on 7.turn off 8.turn up 9.electrical applia
8、nce 10. Your contribution counts,1.On behalf of everyone here,I wish you a pleasant journey back to your country.（Translate) 我代表我们班感谢你对我们的无私的帮助。 2.我没必要容忍你的坏脾气。,I , on behalf of my class, thank you for your selfless help.,I dont have to put up with your bad temper.,容忍：put up with bear stand tolerate,
9、3. make a difference Together , individuals can make a difference. make a difference (1)有很大差别, 有很大不同; (2)有很大的关系/影响 make some/ no difference to 对.有些/没有关系 Exercise can _ your health. 锻炼对你的健康产生很大的影响。,众人拾柴火焰高.,make much difference to,4.I dont care who you are, where you are from and what you do, as long
10、 as you love me.(Translate) 只要不用早起我就感觉很幸福。,I feel happy as / so long as I dont have to get up early.,5.It takes a lot of energy to make things from new materials. (Translate) It takes sth.(energy; time) to do sth. 成为一个成功的人需要毅力(perseverance)和勇气。,It takes perseverance and courage to become a successfu
11、l man.,Group Discussion,What should we do to slow down global warming?,1.随着社会的发展，全球变暖越来越严重。到了我们采取措施来对付它的时候了。 2.我们要尽量经常地步行或骑车去上学。 3.在我们离开房间时，电灯或其他用电设备最好关闭。 4.作为学生，我们有责任宣传(spread)环保的知识。,With the development of society, global warming has become more and more serious. Its high time that we took measure
12、s to deal with it. We should go to school on foot or by bike as often as possible. Wed better turn off the light or other electrical appliances before leaving the room. As students, it is our responsibility to spread the knowledge of environmental protection.,Love our planet! Love life! Start from every little bit to fight against global warming. It is everyones duty to green environment.,
