Lesson1GlobalWarming (3).ppt

,Unit22EnvironmentalProtection,overfishing,naturaldisaster,pollution,Environmentalproblems,globalwarming,poverty,forestdestruction,endangeredanimals,wars,Lesson1GlobalWarming,WordStudy,1.consensus2.bounce3.agriculture4.coincidence5.condemn6.reservation7.sacrifice8.advocate,n.同意，一致v./n.弹跳，弹回n.农业n.巧合，一致，同时发生vt.谴责，判刑，定罪n.自然保护区，保留n.牺牲，祭品，供奉v.提倡，主张，拥护,Whatisglobalwarming?,Whatisglobalwarming?,GlobalwarmingmeansanaverageincreaseintheEarthstemperaturewhichleadstoclimatechange.,Theearthishavingafever.,Canwetaketheheat?,Leadin,Matchtheheadingswithparagraphs.(1)Aquestiontodrawreadersattention()Whatwecando()Whatisglobalwarming()Consequencesofglobalwarming()Causesofglobalwarming,FindtheStructure,5,4,3,2,Carefulreading,changesintheclimate,globalwarming,environmentalproblems,anaverageincrease,leadsto,bepinnedonhumanactivities,insuchhugequantities,terribleclimatechanges,reducetheamount,ofcarbondioxidetheircountryare,producing,playtheirpartbymaking,smallchanges,Ex.5:Fillintheblankswiththecorrectform.1.Waterwas_thefishpondfromtheriver.2.Weallneedto_tofinishintime!3.Thereisnothingmorewecando.Thesituationisnow_.4._theaccident,sheisnowafraidofwater.,Usefulexpressions,pumpedinto,speedup,beyondourcontrol,Asaresultof,Thescientist_globalwarmingatleastthreetimesinhisspeech.Thefactorywasproducinggreenhousegases_.,Usefulexpressions,referredto,inhugequantities,Readthetextandanswerthequestions.1.WhatiscontrollingthetemperatureoftheEarth?2.AregreenhousegasesnecessaryforlifeonEarth?3.Whathumanactivitiesarecausingglobalwarming?4.Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?5.Howcanwehelpsolvetheproblemofglobalwarming?,FurtherReading,1.WhatiscontrollingthetemperatureoftheEarth?ItisfoundthatthetemperatureoftheEarthiscontrolledbygreenhousegasessuchascarbondioxide.,FurtherReading,2.Whathumanactivitiesarecausingglobalwarming?Industry,agriculture,thecuttingdownofforests,theincreaseintransportandtheburningoffuelsarecausingglobalwarming.,FurtherReading,3.Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?By1F(onedegreeFahrenheit),FurtherReading,4.AregreenhousegasesnecessaryforlifeonEarth?Yes,theyare,becausetheytrapheatfromthesunintheEarthsatmosphere.OtherwisetheEarthwouldbecoldandunsuitableforlife.,FurtherReading,5.Howcanwehelpsolvetheproblemofglobalwarming?Wecanmakesmallchangesliketakingpublictransport,recycling,usinglow-flowshowerheads,andbuyingenergy-efficientlightbulbstohelpstopglobalwarming.,FurtherReading,1.reachconsensus=o把输送/充入到例：他们不得不在很短的时间内向自己的大脑灌输一大堆他们根本无法消化的知识。Theyhavetopumpalotofknowledgewhichcannotbedigestedintotheirhead.,Languagepoints,3.bebeyondonescontrol/ability/limit超过某人的例：他的要求超过了我的能力范围。Hisrequirementshavebeenbeyondmycapability.4.speedup加速，使加速例：我一离开他家，便加快了速度。IspedupmycarassoonasIleftherhouse.,Languagepoints,5.Theyclaimthatinthelast50years,gasespumpedintotheEarthsatmospherebythefactoriesandvehicleshavebeenspeedinguptheprocessofglobalwarming.Analyzethesentenceandtranslate?Whatisthefunctionoftheunderlinedpart?Attributeusedtomodifygases.,6.Withoutthesenaturallyoccurringgases,thesunsrayswouldbouncebackintospaceleavingtheEarthcoldandimpossibletoliveon.Translatethesentence.Whatisthefunctionoftheunderlined?Adverbialforpurpose.,7.Overthelast100years,theglobalaveragetemperaturehasincreasedby1Fandmanyexpertsinsistthattheblameforthisglobalwarmingcanmostlybepinnedonhumanactivities.by提高了pinsth.onsb.把归咎于某人，把别在某人身上；把(希望)寄托于例：她把希望都寄托在了孩子身上了。Shehaspinnedallherhopeonherchild.,8.Theamountofcarbondioxideintheatmospherehasrisenbymorethan30%inthelast250yearswithhalfofthisincreaseoccurringsince1960.翻译：Thewaterlevelhasrisenby50cm.9.Atemperatureincreaseof1Fmaynotsoundlikealot,butifwecontinuetoproducecarbondioxideandothergasesinsuchhugequantities,wearecondemninglifeonearth.Translate?,10.stop.fromsth./doing=preventfromsth./doingprotectfromsth./doingHowcanwestop/preventthesedisastersfromhappening?Howcanweprotectthechildrenfromthoselow-levelbooks?,11.TheUSAsfederalgovernmentexpressreservationsaboutwhetherglobalwarmingisreallycausedbyhumanactivities.(Translate?)12.ManypeoplebelievethattheyaresimplynotpreparedtosacrificetheamountofmoneytheymakefromindustrytosavetheEarth.sacrificesth.forsb./sth.为牺牲,舍弃Whatisthefunctionoftheunderlined?,13.Butwhywaitaroundforthegovernmentstotakeaction?waitaround呆呆地等着，空等14.playtheirpart发挥自己的作用15.Theysuggestmakingsmallchangesliketakingpublictransport