全新版大学英语综合教程2第二版Unit8电子课件

BR-mainBeforeReading1.EnglishSong--BigYellowTaxi2.EnvironmentDefinitionofEnvironmentGreenhouseEffect3.EnvironmentalProtectionOrganizationsGreenPartyGreenPeaceTheEnvironmentalProtectionAgencyWord-webBR1.1II■BR1.2.1Listentothesongandanswerthequestions1.Whatkindofparadiseisdescribedinthesong?Aruralparadisebeforeitwasspoiledbypavedroads,parkinglots,buildings,etc.2.Whydopeoplehavetopaytoseethetrees?Becausetreesaretakenawayandputinatreemuseum.3.WhatwouldhappeniffarmerscontinuetouseDDT?Therewouldbenobirdsandbeesaround.4.Whatisthethemeofthesong?Toprotecttheenvironmentbeforeitistoolate.BR1.2.2.15.Listentothesongagainandfindoutthesentencesthatindicatetheexplanationbelow.ListentothesongandanswerthequestionsWhenpeopleliveinthecountrysidetheywanttoliveinthecity.Andwhentheygettoliveinthecitytheybegintomissthebeautyofnature.Whichisjusthowthesingerfeels.Sheremembershowbeautifulthecountrysidewasbeforeitwasbuiltoverwithparkinglots,hotels,fashionshopsandnightclubs.1)TheypavedparadiseandputupaparkinglotWithapinkhotel,aboutique,andaswinginghotspotBR1.2.2.25.Listentothesongagainandfindoutthesentencesthatindicatetheexplanationbelow.ListentothesongandanswerthequestionsCitylifehasbecomeremovedfromnaturetosuchanextentthatthesingerjokesabouthowcitydwellersmighthavetopaytoenjoynaturalbeauty.2)Theytookallthetreesandput’eminatreemuseumAndthentheychargedallthepeopletwenty-fivebucksjusttosee’emBR1.2.2.35.Listentothesongagainandfindoutthesentencesthatindicatetheexplanationbelow.ListentothesongandanswerthequestionsAndtheproblemisnotlimitedtocities.Wearedestroyingnatureeveninthecountryside.ChemicalssuchasDDTusedbyfarmerstoprotectcropswipeoutnotonlyinsectsbutbirdsandbeesaswell.Thesingercallsforpeopletostopusingsuchchemicals.3)Heyfarmer,farmer,putawayyourDDTnowGivemespotsonmyapplesbutleavemethebirdsandthebees,pleaseBR1.2.2.45.Listentothesongagainandfindoutthesentencesthatindicatetheexplanationbelow.ListentothesongandanswerthequestionsSadlyweoftendon’trealizejusthowmuchthingsmeantousuntilitistoolate.Thesameistrueofeverything:evenofpeoplewhoareclosetous.Thesingercan’thelpherthoughtscomingroundtothispoint,foronlylastnightherloverlefther,slammingthedoorbehindhimbeforedrivingoffintothenightinataxi.4)LatelastnightIheardthescreendoorslamAndabigyellowtaxicarriedoffmyoldmanBR1.2.2.55.Listentothesongagainandfindoutthesentencesthatindicatetheexplanationbelow.ListentothesongandanswerthequestionsInpersonallifeandwithpublicissues,itismuchthesame.Weonlyfindouthowvaluablethingsaretouswhenwelosethem.5)Don’titalwaysseemtogoThatyoudon’tknowwhatyougottillit’sgoneBR2.1.1Word-webII■BR2.1.1.1Word-webWorkinpairsandcategorizethewordsandphasesintheboxintothefollowingthreegroups.GreenhouseeffectPollutiontypesEnvironmentalprotectionairpollution,globalwarming,nuclearcontamination,sealevelrising,waterpollution,ecocrisis,sewage,flood,noisepollution,NationalTreePlantingDay,atmosphericozonelayer,ecosystem,recyclingcenter,Greenpeace,drought,nuclearpollution,afforestEnvironmentClickthewordsinred!BR2.1.1.2Word-webWorkinpairsandcategorizethewordsandphasesintheboxintothefollowingthreegroups.airpollution,globalwarming,nuclearcontamination,sealevelrising,waterpollution,ecocrisis,sewage,flood,noisepollution,NationalTreePlantingDay,atmosphericozonelayer,ecosystem,recyclingcenter,Greenpeace,drought,nuclearpollution,afforestEnvironmentglobalwarming,sealevelrising,ecocrisis,flood,atmosphericozonelayer,drought,ecosystemGreenhouseeffectPollutiontypesEnvironmentalprotectionClickthewordsinred!BR2.1.1.3Word-webWorkinpairsandcategorizethewordsandphasesintheboxintothefollowingthreegroups.airpollution,globalwarming,nuclearcontamination,sealevelrising,waterpollution,ecocrisis,sewage,flood,noisepollution,NationalTreePlantingDay,atmosphericozonelayer,ecosystem,recyclingcenter,Greenpeace,drought,nuclearpollution,afforestEnvironmentairpollution,nuclearcontamination,nuclearpollution,waterpollution,noisepollutionGreenhouseeffectPollutiontypesEnvironmentalprotectionClickthewordsinred!BR2.1.1.4Word-webWorkinpairsandcategorizethewordsandphasesintheboxintothefollowingthreegroups.airpollution,globalwarming,nuclearcontamination,sealevelrising,waterpollution,ecocrisis,sewage,flood,noisepollution,NationalTreePlantingDay,atmosphericozonelayer,ecosystem,recyclingcenter,Greenpeace,drought,nuclearpollution,afforestEnvironmentGreenhouseeffectPollutiontypesEnvironmentalprotectionsewage,recyclingcenter,Greenpeace,NationalTreePlantingDay,afforestClickthewordsinred!BR2.1.2Listentothefollowingpassageandfillintheblankswiththewordsyouhear.Environmentisthephysicalsurroundingsofanorganism（生物，有机物）ororganisms,including,physical,andfactors.Inthecaseofhumanecology（生态学）,italsoincludesandculturalsurroundings.Planning,caringfor,andofthehumanenvironment,bothbuiltandnatural,havebecomeofincreasingconcerninrecentyears.Inphilosophy,environmentalismstressestheofthephysicalenvironmentonman’sdevelopmentandactivities.biological_________chemical_______social_____conservation___________influence_______II■BR2.2Greenhouseeffectmeanstheretentio