新视野大学英语第三版第四册第四单元sectionA课件ppt

FOREIGHLANGUAGETEACHINGANDRESEARCHPRESSAIRFORCEENGINEERINGUNIVERTISY4AchievingsustainableenvironmentalismUnit4SectionAFOREIGNLANGUAGETEACHINGANDRESEARCHPRESSAIRFORCEENGINEERINGUNIVERSITYEarthprovidesenoughtosatisfyeveryman’sneed,butnoteveryman’sgreed.—MahatmaGandhiAnationthatdestroysitssoilsdestroysitself.Forestsarethelungsofourland,purifyingtheairandgivingfreshstrengthtoourpeople.—FranklinDelanoRoosevelt44UNITNature:ToworshiportoconquerSectionA44UNITAchievingsustainableenvironmentalismObjectivesTotalkaboutenvironmentalissuesTofullyunderstandthetextToapplythephrasesandpatternsTomastertheargumentativeessaywritingskillNature:ToworshiportoconquerContentsWarming-upActivitiesTextStudyLanguageApplicationSummaryAchievingsustainableenvironmentalismSectionAWarming-upActivitiesLead-inPre-readingActivitiesCulturalBackgroundAchievingsustainableenvironmentalismSectionALead-inShortAnswerQuestionsTipsThesepicturesremindusmoreoftheenvironmentalproblemswehumanbeingsareencounteredwithatpresent,includingairpollution(hazyweather),waterpollution,deforestation,wildanimalsextinctionandsoon.1.Whatdothefollowingpicturesremindyouofintermsoftheenvironmentalissues?Lead-inShortAnswerQuestionsManhasthe“bloodties”withnature.Mankindhastodependonnatureforhisfood,medicine,shelter,clothingandothernecessitiestobeabletosurvive.However,duetoindustrializationandeconomicdevelopment,mandoesnotliveinharmonywithnatureanymore.Whiletransformingnatureforhisownsake,manhasbeenoverexploringandusingthenaturalresources,resultinginsuchproblemsasglobalwarming,soilerosion,shortageoffreshwater,andsandstorms.Manhassufferedalotfromtheproblems.Tips2.Whatdoyouthinkoftherelationshipbetweenmanandnature?ListenandTalkPre-readingActivitiesListentoapassageaboutWorldEnvironmentDayandthendecidewhetherthefollowingstatementsaretrue(T)orfalse(F).1.WorldEnvironmentDayfallsonJune5everyyear.2.SanFranciscoisthesecondcityintheUnitedStatesthathasheldeventstocelebrateWorldEnvironmentDay.3.ThemainmessageofWorldEnvironmentDaythisyearis“PlanforOurCities”.4.Citiesusemorethan57percentoftheworld’snaturalresources.5.Theeventsheldthisyearincludenotonlyspeechesfromfamouspersons,butalsofunactivitiessuchasconcerts,parades,etc.TFFFTListentothepassageagain.Workinpairsanddiscussthefollowingquestions.1.Whatisyourunderstandingofa“greencity”?2.Tobuildagreencity,besidesthemeasuresgiveninthepassagesuchasbuildingmorehealthyparksandreducingpollution,whatothermeasurescanyouthinkof?Pre-readingActivitiesListenandTalk1.Whatisyourunderstandingofa“greencity”?AsIunderstand,a“greencity”isacityortownthatfocusesonenvironmentallyfriendlypractices.Itaimstoimprovethelivabilityofurbansurroundingsandbenefitthewell-beingofcitizenslivingthere.Pre-readingActivitiesListenandTalk2.Tobuildagreencity,besidesthemeasuresgiveninthepassagesuchasbuildingmorehealthyparksandreducingpollution,whatothermeasurescanyouthinkof?Tobuildagreencity,othermeasuresmayincludewaterqualitycontrol,efficientrecyclingandwastemanagement,useofrenewableenergysources,increaseofcityresidents’awarenessofenvironmentalprotection,andeasyaccesstoproductsandservicesthatmakegreenlifestylechoiceseasy.Pre-readingActivitiesListenandTalkGlobalwarmingmayormaynotbethegreatenvironmental______ofthe21stcentury,but—regardlessofwhetheritisorisn’t—wewon’tdomuchaboutit.Wewillargueoveritandmayeven,asanation,makesomefairlysolemn-sounding___________toavoidit.Butthemoredramaticandmeaningfulthesecommitmentsseem,thelesslikelytheyaretobe_________.crisiscommitmentsListentoashortpassageconcerningglobalwarming.observedAlGorecallsglobalwarmingan“_______________,”asifmerelyrecognizingitcouldputusonapathtoasolution.Buttherealtruthisthatwedon’tknowenoughto_____globalwarming,and—withoutmajortechnological____________—wecan’tdomuchaboutit.From2003to2050,theworld’spopulationis_________togrowfrom6.4billonto9.1billion,a42%increase.inconvenienttruthrelievebreakthroughsprojectedListentoashortpassageconcerningglobalwarming.Ifenergyuseperpersonandtechnologyremainthesame,totalenergyuseandgreenhousegas_________(mainly,CO2)willbe42%higherin2050.Butthat’stoolow,becausesocietiesthatgrowricherusemoreenergy.Weneedeconomicgrowthunlesswe_________theworld’spoortotheirpresentpovertyandfreezeeveryoneelse’slivingstandards.emissionscondemnListentoashortpassageconcerningglobalwarming.Thepracticalsolutionisthatifglobalwarmingisa_______________,theonlysolutionisnewtechnology.Onlyanaggressiveresearchanddevelopmentprogrammightfindwaysofbreakingourdependenceon_________ordealingwithit.potentialdisasterfossilfuelsListentoashortpassageconcerningglobalwarming.QuestionsPreviewing1.WhatarethemainideasofEnvironmentalism?2.WhatdoyouknowaboutProtagoras?TipsTipsCulturalBackground3.WhatistheArcticNationalWildlifeRefuge(ANWRorArcticRefuge)?TipsEnvironmentalismreferstotheconcernabouttheenvironment,ortheconsciousnessabouttheintricatehuman-naturerelation,whichmainlyadvocatesthepreservation,restorationand/orimprovementofthenaturalenvironmentbysocialandpoliticalmovements.CulturalBackground1.WhatarethemainideasofEnvironmentalism?Cultu