book6unit4reading(公开课).ppt

Unit4,Reading,澄海中学陈纯,Whatdothesepictureswanttotellus?,globalwarming,Theearthisbecomingwarmer,TheEarthIsBecomingWarmer-ButDoesItMatter?,Theearthisbecomingwarmer.Doesitmatter?,Para.2-5,Para.6,(twodifferentattitudes),Thepurposeofthefirstparagraphisto_.introducethewriterB.explainachangeC.introducethetopicD.raiseaquestionWhydoesthewriterendupthelastparagraphwithtwoquestions?A.Becausethewriterwantstoraisethequestionforthereaderstothinkover.B.Becausethewriterwantstoappealtothereaderstopreventglobalwarming.C.Becausethewriterwantstoarousethereaderscuriosity.D.Becausethewriterdoesnthaveanyideaofglobalwarming.,Thestructureofthetext,PartIPartIIPartIIIPartIV,(para.1),(para.2-5),(para.6),(para.7),introduction,thecause,twoattitudes,aquestion,PartII(para.2-5),AskingandAnswering,WhatHowWhenWhoHowmany,PartII(para.2-5)1.Whatcausestheincreaseoftheearthstemperature?Theburningoffossilfuelslikecoal,naturalgasandoilcausestheincreaseoftheearthstemperature.2.Howistheearthwarmed?Theearthiswarmedwhensmallamountsofgasesintheatmosphere,likecarbondioxide,methaneandwatervapor,trapheatfromthesun.,3.Whendoestheproblembegin?Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.4.Whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997?CharlesKeeling.5.HowmanydegreesCelsiuswillthetemperatureincreasegoatmostoverthenext100yearsaccordingtoDrFoster?5degreesCelsius.,PartIII(para.6)twoattitudes,scientist,opinion,possibleresults,DrFoster,GeorgeHambley,a_,a_thing,ariseof_inthesealevel2.Severe_,_,_,famines3.Spreadof_4.Disappearanceof_,Plantswill_Cropswill_Itwill_ofanimals,catastrophe,several,metres,floods,storms,droughts,diseases,species,positive,growquicker,producemore,encourage,agreaterrange,观点对比,PartI:PartII:PartIII:PartIV:,introduction,thecause,twodifferentattitudes,aquestion,陈述现象/问题,分析原因,不同态度,youropinion个人观点,陈述现象/问题Thereisnodoubtthat分析原因isdueto不同观点However,theattitudesofsb.towardsstharecompletelydifferent.Ontheonehand,sbthinkthatOntheotherhand,therearethosewhoareopposedtothisviewandbelievethat,Itistrue/afactthat,Thereasonwhyisthat,Opinionsonthemattervaryfrompersontoperson.,个人观点：Inmyopinion,/FrommypointofviewAsfarasIamconcerned,观点对比,Discussion,Topic1:Shouldstudentstakemobilephonestoschool?,Topic2:Whetherstudentsdopart-timejobsisgoodorbad?,Topic3:Israisingpetsagoodthingorabadt