人教版高中英语选修六unit4globalwarming--reading

高中英语课件（金戈铁骑整理制作）60℃TheEarthWarmerGlobalWarmingScanningGraph1Temperature_________fromlong-termaverage.DrJaniceFoster_________:“Thereisanatural…goup”_________thatanytrendinwhichthe…GeorgeHambley______,“Morecarbon…better.”differenceexplainsthinksstatesPhenomenonReasonsAttitudesConclusionGlobalwarmingCarefulReadingPhenomenon:ReadPara.1and2roseabout1℉1860--2000thetemperatureoftheearthThereisnodoubtthat…(seeGraph1)and…Q:WhatdoesGraph1tell?PhenomenonReasons?warmerTheburningof______________fossilfuels__________gasesgreenhouseAdvantageDis-advantage________________the‘greenhouseeffect’,theearthwouldbeabout____________thanitis.Without33℃coolerMoreheatenergytendstobetrappedintheatmospherecausingtheglobaltemperatureto______.goupReasons:ReadPara.3–5.(resultin)around315partsHowhigh?couldbeaslowas_______________________.couldbeashighas_________________.1to1.5degreesCelsius5degrees1957-2000carbondioxidearound370partsCharlesKeelingPhenomenonReasonswarmerburninggreenhouseeffectadvantagedisadvantageTheriseoftemperature:effect?Attitudes?scientistsAttitudes:Read(Para.6)WhoDrJaniceFosterGeorgeHambleyAttitudesSupportingdetailsac_________/veryseriouscatastrophesealeveltorise/severestorms/droughts/floods/famines/thespreadofdiseases/disappearanceofspecies____withfewbadenvironmental_____________makeplantsgrowquicker/cropswillproducemore/agreaterrangeofanimals/makelifebettermildconsequencesOntheonehandOntheotherhandHarmfulPositivePhenomenonReasonsAttitudesConclusionwarmerburninggreenhouseeffectadvantagedisadvantageharmfulpositivecatastrophemild,betterauthor’sopinion?Conclusionanddiscussion:ReadPara.7S1:Isubscribeto(agreewith)Dr.Foster’spointofview.Ontheonehand,….Ontheotherhand….S2:I’mafraidIdisagreewithyou.(I’mafraidnot./Idon’tthinkso./Idoubt…)Q1:Whomdoyouagreewith?Why?Q2:Doesthatmeanweshoulddonothing?Evenif…theclimateisgoingtokeeponwarming…Workingroups,discussandwriteashortpassageabout50wordsbasedonyourdiscussiontotell:1.Differentattitudestowardsglobalwarming;2.Yourattitudesandyouropinionsofwhatweshoulddo.WritingThereisnodoubtthattheearthisbecomingwarmerandthatitishumanactivitythathascausedthisglobalwarming._______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Summaryphenomenonreasonsattitudesconclusionwarmerburninggreenhouseeffectadvantagedisadvantageharmfulpositivecatastrophemild,betteryourownthinkingHomework1.Polishyourwriting.2.Readthearticlerecitetheimportantwordsandexpressionsoftheunit.Forfurtherinformation,pleasesurftheinternet.://