2023学年完整公开课版Unit1SavingtheEarth

Unit1SavingtheEarthLookandthinkWhatisthenameofthebookthatisreviewed?Whoareauthors?Thebookiscalledaguide.Whatdoesthisnamesuggestthebookwilldo?Aconsumerisanyonewhobuysandusesthings.Whatdoyouthinkagreenconsumeris?Whatdoyouthinkthemaintopicofthebookis?Howmanytopicsdoesthereviewcover?EnvironmentallyfriendlyshoppersWhatarethethreatstoourenvironment?ThegreeneffectDamagetotheozonelayerDestructionoftherainforestsPollution---Badhabitsof…AcidrainGlobalwarming

TheGreenhouseEffect1.Thereisatmospherearoundtheearthactingliketheglass,lettingsunlightinwhilekeepingmuchofthewarmthfromgettingout.2.Theatmosphereischangingbecausewearepollutingitwithchemicals.3.ThepoisonousgasesaremainlymadeupofOxygen(O2)andcarbondioxide(CO2).4.Thegreenhouseeffectmaycausetheleveloftheseatodrop.TTFFDamagetotheozonelayerOzonelayeroccurs_______abovetheground.Itformsanessential________layeraroundtheearth.Withoutit,thesunwouldburnusup.Wearemaking______intheozonelayermainlybyusingchemicalscalled______.Theyareusedinfridgesand__________,andtomake_______itemssuchasfastfoodboxes.20-50kmprotectiveholesCFCsspraycansplasticDamagetotheozonelayerWhatwilltheresultbe?Dangerousultravioletradiation（紫外线）fromthesunwillreachus,causingcancerandblindness,anddestroyingthefoodchainintheoceans.DestructionoftherainforestsWhatismakingtheGreenhouseEffectworsebesidesburningfuels?Why?

Howharmfulisit?Theburningandcuttingdownoftrees.BecausetreestakeinCO2.Itcauseserosionofthesoilandflooding,aswellasdestroyingthepeopleandanimalswhomaketheforeststheirhome.Weatherpatternswillchangeandtheearthwillbecomewarmer,meltingthepolaricecaps,raisingsealevelsandfloodingcoastalcities.BadhabitsDoyouhaveanyhabitswhichcausepollution?Doyouhaveahabitofusingthingsonceandthenthrowingthemaway?Whatdoesitcreate?Weknowwhattodowiththerubbish,don’twe?Howcanwesavetheearth?1.Whatshouldwedowithourrubbish?2.Whatkindofproductsshould/shouldn’twebuyanduse?3.Whatshouldwedotoprotecttherainforests?4.Whatshouldwedotosolvetheproblems---theGreenhouseEffect,damagetotheozonelayer,globalwarming?

(sortitout,recycleglass,plastic,paperandmetal)(buyanduseenvironmentally-friendlyproductswhichislesswastefulwithpaperandplastic)TobeagreenconsumerAquestionnaireHowgreenareyou?AnalysisScore0-8

Youhavenotstartedturninggreenyet!

9-14