九年级英语The-green-consumer课件

-chapter1(9B)Lookandthink•Whatisthenameofthebookthatisreviewed?Whoareauthors?•Thebookiscalledaguide.Whatdoesthisnamesuggestthebookwilldo?•Aconsumerisanyonewhobuysandusesthings.Whatdoyouthinkagreenconsumeris?•Whatdoyouthinkthemaintopicofthebookis?•Howmanytopicsdoesthereviewcover?EnvironmentallyfriendlyshoppersWhatarethethreatstoourenvironment?•Thegreeneffect•Damagetotheozonelayer•Destructionoftherainforests•Pollution---Badhabitsof…•Acidrain•GlobalwarmingTheGreenhouseEffect•1.Thereisatmospherearoundtheearthactingliketheglass,lettingsunlightinwhilekeepingmuchofthewarmthfromgettingout.•2.Theatmosphereischangingbecausewearepollutingitwithchemicals.•3.ThepoisonousgasesaremainlymadeupofOxygen(O2)andcarbondioxide(CO2).•4.Thegreenhouseeffectmaycausetheleveloftheseatodrop.TTFFDamagetotheozonelayer•Ozonelayeroccurs_______abovetheground.Itformsanessential________layeraroundtheearth.Withoutit,thesunwouldburnusup.Wearemaking______intheozonelayermainlybyusingchemicalscalled______.Theyareusedinfridgesand__________,andtomake_______itemssuchasfastfoodboxes.20-50kmprotectiveholesCFCsspraycansplasticDamagetotheozonelayer•Whatwilltheresultbe?Dangerousultravioletradiation（紫外线）fromthesunwillreachus,causingcancerandblindness,anddestroyingthefoodchainintheoceans.Destructionoftherainforests•WhatismakingtheGreenhouseEffectworsebesidesburningfuels?Why?•Howharmfulisit?Theburningandcuttingdownoftrees.BecausetreestakeinCO2.Itcauseserosionofthesoilandflooding,aswellasdestroyingthepeopleandanimalswhomaketheforeststheirhome.Weatherpatternswillchangeandtheearthwillbecomewarmer,meltingthepolaricecaps,raisingsealevelsandfloodingcoastalcities.Badhabits•Doyouhaveanyhabitswhichcausepollution?•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)TobeagreenconsumerHowgreenareyou?•Analysis•Score0-8Youhavenotstartedturninggreenyet!•9-14Youarepalegreen.•15-20Youaremediumgreen.Tryharder.•21-25Youarebrightgreen,butdonotstoptrying.