高二英语课件：(牛津译林版)M5-U2_Welcome_to_the_unit(孙逸豪推荐)

高二英语WelcometotheunitBrainstormingWhatenvironmentalproblemsdowehaveinourlivingsurroundings?forestfiresrubbishcuttingsmogwaterpollutionsandstormRubbishiseverywhere.Whatwillhappenifwecontinuetothrowrubbisheverywhere?wastewaterfromfactoriesandcitiesWhoshouldbeblamedforthis?Whatshouldwedealwithit?SmokefromthefactoriesandcarsWhatwillhappenifwebreatheitin?TreesarecutdownandsoiliswashedawayWhyshouldweprotecttheforests?Inyouropinion,whatmightbethecausesoftheterribleforestfire?Lossescausedbyforestfiresamounttomillionsofdollars.Howdothesandstormsaffectus?Sandstormsarecoming.forestfiresrubbishcuttingsmokewaterpollutionsandstormWhichonesarecausedbynatureandwhichonesarecausedbyman?forestfiresandstormproblemsearthquakeAnymore?floodCanyouthinkofothernaturaldisasters?NaturalDisasters自然灾害Inthepasthundredyears,therehavebeenfrequentnaturaldisasters,suchasfloods,droughts,mud-rockflows,tsunamis,earthquakes,hurricanesandsandstorms.Thedisastershavekilledmillionsuponmillionsofpeople,destroyedcountlesshomes,andwipedoutnumerouspiecesoffertile(富饶的)land.Nowmoreandmorepeoplebecomeawarethatthosedisastershavemuchtodowithwhatwehavedonetotheearth.Wehavecutdowntoomanytreesintheforests,wehavebadlypollutedtheenvironment,wehaveshockedourownhome-planettimeandagainwithextremelypowerfulexplosionsofnuclearbombs.Asaresult,climateshavebecomeabnormal,rainwaterrushesdownhillsidesangrily,andtheundergroundenergygoesuptorevengeonus.Theearthisouronlyhome-planet.Itisurgentforustostopdamagingit,andtodoourbesttoprotectitandmakeitalovelyplacesuitabletolivein,forwehavenowheretogoandsurviveexceptwherewearenow.nuclearpowerstationradiationpollutionWhatcanwedotoprotecttheenvironment?Discussion·Throwwasteinrubbishbins.Recycleasmuchaspossible.·Uselesswood.Plantmoretrees.Trytomakedesertareasbecomegreenland.·Treatthewastewaterbeforepouringitintorivers.Cleanthewaterintherivers/lakes.Savewaterinourdailylife.Makesmokeharmlessbeforeitgoesintotheair.Limitthenumberofvehicles.Developcleanenergy.…Let’senjoy!1.WorkbookA1A2.2.Previewthenewwords.Homework