1、高二英语选修6 Unit4 Global Warming ReadingTHE EARTH IS BECOMING WARMER-BUT DOES IT MATTER?,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,In addition ,yo
2、u 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.,Unit4 Global Warming ReadingThe Earth Is Becoming Warme
3、r But Does It Matter?,Fast Reading,Glance quickly at the magazine article and answer the questions.,WWW.ZXXK.COM,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,Cha
4、rles Keeling and George Hambley.,1.Who wrote the magazine article? What is the name of the magazine?,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
5、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.,4.What are the two graphs about?,Graph 1 shows the temperature increase of one degree Fahrenheit from 1860 to 2000.,5.What
6、 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.,True or falseRead the article carefully and finish Part 2 on Page 27,1.The temperature last century didnt increase much. ( )2.Everyone believ
7、es 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,WWW.ZXXK.COM,6.People accept Charles Keelin
8、g 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
9、.It is clear what the effects of global warming will be. ( ),T,T,T,F,F,Careful Reading,1.Read the text again and try to get the main idea of the article.,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 warmin
10、g,Illustrate how global warming comes about,List two different attitudes among scientists towards global warming,Part 4(Pa 11),Its up to readers to think and decide whether people should do something about global warming or not,Questions,How has the global warming come about?,WWW.ZXXK.COM,Human acti
11、vity- burning of fossil fuels., Greenhouse effect- greenhouse gases- we need those gases., 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
12、from 1957 to 1997 (See Graph 2 on Page 26 ),The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley,go up,catastrophe,very serious,positive,produce,a greater range of animals,Of the two ideas, which are you in favor of ?,The Dr Janice Fosters.,
13、Why ?,Because we have witnessed a large number of disasters predicted by some people.,What are the effects and disasters of global warming?,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 cau
14、sed by global warming.,tsunami,The sea level to rise.,tornados,Severe storms,droughts,famines,the spread of diseases,destruction of species,Dicussion,What should we do about the terrible effects above?,.,.,Try to reduce the use of motor vehicles,electric vehicle,bike,running,Solar energy car,Plantin
15、g trees,Cleaning the rubbish,Return the green world to us,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,Lets make this world a better place !,Have a nice day. Good bye!,
