新人教选修6-Unit4-Global-warm课件

高二英语选修高二英语选修6 Unit4 Global Warming Reading高二英语选修6 Unit4 Global Warming11.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.Questions1.Compared to the past few yea2新人教选修6-Unit4-Global-warm课件3In 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.In addition,you may turn to G4Unit4 Global Warming ReadingThe Earth Is Becoming Warmer But Does It Matter?Unit4 Global Warming 5Fast ReadingGlance quickly at the magazine Glance quickly at the magazine article and answer the questions.article and answer the questions.Fast ReadingGlance quickly at 6Sophie 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?Sophie Armstrong wrote the mag73.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.3.What do they think about glo84.What are the two graphs about?Graph 1 shows the temperature increase of one degree Fahrenheit from 1860 to 2000.5.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 1997.4.What are the two graphs abou9True or falseRead the article carefully and finish Part 2 on Page 27True or false101.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.()FFTFTFFTFT116.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.()TTTFF6.People accept Charles Keelin12 Careful ReadingCareful Reading1.Read the text again and try to get the main idea of the article.Careful 13The 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 warmingIllustrate how global warming comes aboutList two different attitudes among scientists towards global warmingThe main idea of the passage:14Part 4(Pa 11)Its up to readers to think and decide whether people should do something about global warming or notPart 4(Pa 11)Its up to reader15Questions How has the global How has the global warming come warming come about?about?Questions How has the global 16Human activity-burning of fossil fuels.Human activity-burning of 17 Greenhouse effect-greenhouse gases-we need those gases.新人教选修6-Unit4-Global-warm课件18 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)We add huge quantities of ex19The two different viewpoints towards the effects of global warming between Dr.Janice Foster and George Hambley Dr.Janice FosterGeorge HambleyCarbon 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 upcatastrophe very seriouspositiveproducea greater range of animalsThe two different viewpoints t20Of 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.Of the two ideas,which are yo21 What are the effects and disasters of global warming?新人教选修6-Unit4-Global-warm课件22Whats worse,the glaciers(Whats worse,the glaciers(冰川）冰川）of the South Pole are of the South Pole are beginning to crackbeginning to crack（破裂）（破裂）The glaciers of the Poles are starting to melt due to the increasing temperatures caused by global warming.Whats worse,the glaciers(冰川）23tsunamiThe sea level to rise.tsunamiThe sea level to rise.24新人教选修6-Unit4-Global-warm课件25tornadostornados26Severe stormsdroughtsfaminesthe spread of diseasesSevere stormsdroughtsfaminesth27destruction of speciesdestruction of species28What should we do about What should we do about the terrible effects the terrible effects above?above?DicussionWhat should we do abo29.Try to reduce the use of motor vehicles.Try to reduce the use of mot30electric vehiclebikerunningSolar energy carelectric vehiclebikerunningSol31Planting treesCleaning the Cleaning the rubbishrubbishPlanting treesCleaning the rub3233Return the green world to usReturn the green world to us34Assignment1.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 pointsAssignment1.Write an argume35Lets make this world a better place!Lets make this world a better36