人教版高中英语Book6 Ｕnit4《Global warming Using language》PPT课件.ppt

,Unit4GlobalWarming,Usinglanguage,Revision,Whatarethenegativeeffectsofglobalwarming?,GlobalWarming,theriseofthesealevel,龙卷风(Tornado),洪灾Flood,Desertification沙漠化,Drought干旱,famines,diseases,coralreefs珊瑚礁,goldenmonkey,fish,ginkgo银杏,disappearanceofspecies,Theearthisindanger.,Whatcanwedoaboutglobalwarming?,Whoisthewriteroffirstletter?2.Whatarethetwoconcernsoftheemail?(thepurposeoftheemail)3.DoesEarthCareagreewithOuyangGuangsopinionthatindividualscanhavenoeffect?,Listen,andanswerthequestionsbelow:,AstudentnamedOuyangGuang.,Toshowhisopinionthat,asan,hecanhavenoeffectonenvironmentalproblems.Togetsomeforwhathecandoaboutglobalwarming.,individual,suggestions,No,EarthCaredoesnotagree.,Scanning,Fillintheblanksbelowaccordingtothetext.,EarthCaressuggestions:1.Saveenergyinourhouse-theelectricalapplianceifitisnotused.2.orrideabikeinsteadoftakingmotorvehicles.3.Recyclethingswhichcanbeusedagainandbuythingsmadefrommaterials.4.Buythingsthatarewithenergy.5.Plant.6.Educatethepeoplearoundyouabout.,turnoff,Walk,recycled,economical,trees,globalwarming,Languagepoints,1.Iamdoingaprojectonbehalfofmyschoolaboutglobalwarming.,onbehalfofsb或onsbsbehalf表示“代表某人；作为某人的代理”。,eg:我代表我的同事及我自己向你表示感谢。,Ithankyou.,Onbehalfof,mycolleaguesandmyself,2.Istillthinkpeopleshouldadvocateimprovementsinthewayweuseenergytoday.,advocate(vt)表示“拥护；提倡；支持”。,eg：Iadvocateapolicyofgradualreform.Doyouadvocatebanningcarsinthecitycenter？,3.Together,individualscanmakeadifference.,makeadifference(tosbsth)表示“(对某人某事来说）产生影响，起重要作用”。difference前可由no，little，much，some等修饰，表示“对没有（几乎没有，很有，有些）影响”。,eg：Theraindidntmakemuchdifferencetothegame.Whichyouchoosemadeagreatdifference.,4.Wedonothavetoputupwithpollution.,putupwithsth表示“忍受、容忍某事”。,eg：我不能再忍受她的粗鲁无理了。,herrudeness.,Icannot,putupwith,5.ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit.,(1)on在此意为“（水、电、煤气等）开着；接通着”。,(2)leave此处是使役动词，表“使、让、听任保持某种状态”。,常见句型：,leave+宾+补(复合宾语),adj,todo,V-ing,V-ed,名词或介词短语,Leavethedooropenwhenyougoout.,Leavehimtodoithimself.,Theywentoutandleftmesittingtherealone.,Heleftafewquestionsunanswered.,Helefthisschoolbagontheplayground.,(3)solongas(=aslongas)意为“只要；既然”,eg:Hemayusemyroomsolongashecleansitupafterwards.,只要天气好，我们就会出去。,Wellgoout,solongastheweatherisfine.,6.Ifyouarecold,putonmoreclothesinsteadofturninguptheheat.,turnup:,(1)(把热源）开大；（把灯）开亮；（把收音机、电视机等的音量）开大,eg:Icantheartheradioverywell.Couldyouturnitupabit?,(2)出现，出席（某活动），赴约（开会）,eg：Forsomereasonhedidnotturnup.,与turn相关的词组：,（1）turndown关小（音量等）；拒绝,eg：Thecompanyturneddownhisproposal.,（2）turnin交上去；（向警方）告发,eg：Heturnedintwocompositionseveryweek.,（3）turnout结果是，证明是；,eg：Theexaminationturnedoutveryeasy.,（4）turnto翻到；转向；求助于，求救于,eg:Whenevershewasintroublesheturnedtohimforhelp.,（5）turnover翻过来，翻身,eg：Ifyouturnoveryoumightfinditeasiertogettosleep.,高,频,考,点,（1）-Doyouknowwheremybluecoatis？-Dontbothertolookforit.Imsureitwillsomeday.A.turnoutB.turnonC.turnupD.turnover,C,2）Hellbeveryupsetifyouhisofferofhelp.A.turnoffB.turnoutC.turnoverD.turndown,D,7.Rememberyourcontributioncounts!,(1)contribution:un，意为“贡献”，常与to搭配。,makecontributiontosth对某事做出贡献,eg：Hemadegreatcontributiontothisproject.,(2)count：vi，此处意为“有（考虑的）价值；有重要性；起作用（=beofvalueorimportance）”,eg：每一分钟都重要。,Everyminutecounts.,GroupDiscussion,Whatshouldyoudoinyourdailylifetoslowdownglobalwarming?,1.Turnoffthelightswhenyouleavearoom.2.TurnoffTVsetcatthewallinsteadofwiththeremote.3.Eatlocallyproducedfood.4.Recyclewheneverpossible.5.Driveless-ridebikestoschoolorwalk.6.Paintyourhomealightcolorifyouliveinawarmclimate,oradarkcolorinacoldclimate.7.VolunteeryourskillstosuchorganizationslikeGreenpeace.Makeothersa