新人教选修6-Unit4-Global-warming-Reading[阅读课件].pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,高二英语选修6 Unit4 Global Warming Reading,THE EARTH IS BECOMING WARMER-BUT DOES IT MATTER?Made By 广东省茂名市电白县电海中学 邵秀金,第1页,1.Compared to the past few years,whats the weather like this year?,2.Do you want to check it out?,Here are some pictures based on the actual life scenes in these years for you to refer to.,Questions,第2页,第3页,In addition,you may turn to Graph 1.on Page 26 to find out the changes of the temperatures from long-term average.,Question:,Do you think the whole world is becoming warmer and warmer?,But does it matter?This is the topic we are going to discuss for today.,第4页,Unit4,Global Warming,Reading,The Earth Is Becoming Warmer But Does It Matter?,第5页,Fast Reading,Glance quickly at the magazine article and answer the questions.,第6页,Sophie Armstrong wrote the magazine article.The name of the magazine is“Earth care”.,2.What are the names of the three scientists mentioned in the article?,They are Dr.Janice Foster,Charles Keeling and George Hambley.,1.Who wrote the magazine article?What is the name of the magazine?,第7页,3.What do they think about global warming?Do they agree with one another?,They dont agree with each other.,Some think the effects will be terrible,while some others believe that we should not worry about it.,Dr.Janice Foster thinks the effects of global warming could be very serious.,George Hambley thinks global warming will be mild with few bad environmental consequences.,第8页,4.What are the two graphs about?,Graph 1,shows the temperature increase of one degree Fahrenheit from 1860 to.,5.What is the main topic of the article?,Global warming/The warming of the earth.,Graph 2,is about the carbon dioxide content in the atmosphere from 1957 to 1997.,第9页,True or false,Read the article carefully and finish Part 2 on Page 27,第10页,1.The temperature last century didnt increase much.(),2.Everyone believes that global warming is caused by the activities of humans.(),3.Janice Foster believes that global warming is caused by burning fossil fuels.(),4.Natural gas is a greenhouse gas.(),5.Carbon dioxide is a byproduct of burning fossil fuels.(),F,F,T,F,T,第11页,6.People accept Charles Keeling s data because he took accurate measurements.(),7.Flooding could be one of the effects of future global warming.(,),8.George Hambley believes scientists are just guessing about the effects of global warming.(),9.George Hambley is worried about the effects of carbon dioxide on plant growth.(),10.It is clear what the effects of global warming will be.(),T,T,T,F,F,第12页,Careful Reading,1.Read the text again and try to get the main idea of the article.,第13页,The main idea of the passage:,Part 1(Paragraphs 1),Part 2(Paragraphs 2-4),Part 3(Paragraphs5-10),Introduce a debate over the issue of global warming,Illustrate how global warming comes about,List two different attitudes among scientists towards global warming,第14页,Part 4(Pa 11),Its up to readers to think and decide whether people should do something about global warming or not,第15页,Questions,How has the global warming come about?,第16页,Human activity-burning of fossil fuels.,第17页,Greenhouse effect-greenhouse gases-we need those gases.,第18页,We add huge quantities of extra carbon dioxide to the atmosphere by burning Fossil fuels.,The carbon dioxide content of the atmosphere went up from around 315 parts per million to around 370 parts per million from 1957 to 1997(See Graph 2 on Page 26),第19页,The two different viewpoints towards the effects of global warming between Dr.Janice Foster and George Hambley,Dr.Janice Foster,George Hambley,Carbon dioxide has caused the global temperature to _.An increase of five degrees would be a _ and could be _.,More carbon dioxide is a _ thing,which makes crops _ and will encourage _.,go up,catastrophe,very serious,positive,produce,a greater range of animals,第20页,Of the two ideas,which,are you in favor of?,The Dr Janice Fosters.,Why?,Because we have witnessed a large number of disasters predicted by some people.,第21页,What are the effects and disasters of global warming?,第22页,Whats worse,the glaciers(冰川）of the South Pole are beginning to crack（破裂）,The glaciers of the Poles are starting to melt due to the increasing temperatures caused by global warming.,第23页,tsunami,The sea level to rise.,第24页,第25页,tornados,第26页,Severe storms,droughts,famines,the spread of diseases,第27页,destruction of species,第28页,Dicussion,What should we do about the terrible effects above?,第29页,.,.,Try to reduce the use of motor vehicles,第30页,electric vehicle,bike,running,Solar energy car,第31页,Planting trees,Cleaning the rubbish,第32页,第33页,Return the green world to us,第34页,Assignment,1.Write an argumentation titled“Environment Protection”based on the viewpoints in the text and yours.,2.Preview the language points in the text and find out your difficult points,第35页,Lets make this world a better place!,Have a nice day.Good bye!,第36页,