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,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,Unit 22 Environmental Protection,Warm up and Lesson 1,Unit 22 Environmental Protecti,In this lesson,we,ll be able to,1.understand some new words.2.understand the text and get the key,information.,3.talk about activities to protect the,environment with the expressions,learned in the text,objectives,In this lesson,well be able,warm-up,warm-up,Environmental,problems?,air,pollution,global,warming,endangered,animals,water,pollution,Soil,pollution,sandstorm,forestration,noise,pollution,desertification,Environmental airglobalendange,Find out the,causes,of environmental problems,Global warming,the greenhouse effect,endangered animals,natural disasters,flooding,war,overfishing,forestration,space exploration,overhunting,poverty,Use the words above to finish off Ex.1,p5,Find out the causes of environ,1.Earthquakes and volcanic eruptions are,examples of,natural disasters,.,2.The giant panda and the Bengal tiger are,endangered species,.,3.Because of,the greenhouse effect,the,earth is warmed by gases trapped in the,atmosphere.,.,Answers,1.Earthquakes and volcanic eru,4.,Global warming,is an increase over time of the average temperature of the Earth.,5.,Overfishing,is harmful to the ecology of the sea.,6.Thousands of people in Africa continue to die because of war and,poverty,.,7.The water level rose so high in several places that many homes are at risk from,flooding,.,4.Global warming is an incr,Unit 22 Environmental Protection,unit 1 Global warming,Unit 22 Environmental Protecti,Whats wrong?,The earth is sweating!,-Global warming,Acid rain,Greenhouse effect,Lead-in,Whats wrong?,Pre-reading,Predict,:(group work),What is the text about?,Based on the title,“Can we take,the,heat”,and the following pictures.,Pre-readingPredict:(group wo,Traffic Jam,Traffic Jam,Factory,Factory,The text may be about:,1.Vehicles and factories pump varieties of gases in huge quantities,especially carbon dioxide,into the atmosphere,which causes the greenhouse effect and will cause some other disasters.,2.How do we take actions to wrestle with this problem and stop the disasters from happening?,The text may be about:1.Vehicl,While-reading,While-reading,What is global warming?,Global warming means an average increase in the Earths temperature which leads to climate change.,Skimming,What is global warming?Global,Read the text and match the heads with,the paragraphs.,1.Draw readers attention to the topic by asking questions.,2.What should human beings do.,3.What is global warming.,4.Consequences of global,warming.,5.What cause global warming,Para 1.,Para 2.,Para 3.,Para 4.,Para 5.,Read the text and match the he,Word study,Scan the text for these following words and work out their meanings.,consensus,bounce,agriculture,coincidence,condemn,reservation,sarifice,advocate,Scanning,Word studyScan the text for th,1.In the last few decades,scientists have reached,consensus,and reported that human beings are causing changes in the earth,s climate,2.Without these naturally occuring gases,the sun,s rays would,bounce,back into space leaving the Earth cold and impossilbe to live on.,agreement,jump back,1.In the last few decades,sc,3.Given this data,it seems that the link between human activities and rising global temperatures is not merely a,coincidence.,4.if we continue to produce carbon dioxide and other gases in such huge quantities,we are,condemning,life on Earth,巧合,destroying,3.Given this data,it seems t,5.Some government,for example,the USA,s federal government,express,reservations,about whether global warming is really caused by human activities.,6.Experts,advocated,that each person play their part to save the earth.,保留意见,put forward and support,5.Some government,for exampl,Match the Key Words with their Chinese meanings.,consensus,bounce,agriculture,coincidence,condemn,reservation,sacrifice,advocate,反弹,农业,巧合,一致的意见,保留,宣判死刑,主张，提倡,牺牲,Match the Key Words with their,Careful reading(1),Para.1,Introduction:Human beings are causing_ and it is believed that _ could be one of the biggest_ in the 21st centry.,Para.2,Definition:Gloable warming refers to_ in the Earth,s temperrature that,in turn,_ climate change.,Para.3,Causes:Many experts insist that the blame for this global warming can mostly_.,Para.4,Consequences:If we continue to produce greenhouse gases_.There will be more_ such as floodings,heat waves and droughts.,Para.5,Action:All governments have a responsibility to _ and each person should_.,Careful reading(1)Para.1Introd,Para.1,Introduct
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