《人教高中英语选修六Unit 4 Global warming （1） 课件 .pptx》由会员分享，可在线阅读，更多相关《人教高中英语选修六Unit 4 Global warming （1） 课件 .pptx（25页珍藏版）》请在金锄头文库上搜索。
1、Maybe riseofthesealevel Maybe flood drought famine Whatcausesthedisasters Itisglobalwarming Unit4GlobalWarming Whatcausesglobalwarming theburningoffossilfuels thegreenhousegases carbondioxidewatervapormethane Theearthisbecoming warmer Theearthisbecomingwarmer Butdoesitmatter Reading 1 Whowrotethemag
2、azinearticle A JaniceFosterB SophieArmstrong2 Whatisthetopicofthearticle A TheearthB Globalwarming Skimming A JaniceFosterB SophieArmstrongC CharlesKeelingD GeorgeHambley 3 TherearethenamesofthethreescientistsinthearticleEXCEPT Scanning Readthearticlecarefullyandanswerthequestions 1 Whatdothetwograp
3、hsshow 2 Whatisthegreenhouseeffect 3 Whatcausestheglobalwarming 4 Whatarethedifferenteffectsofgloblewarming 1 Whatdothetwographsshow Graph1 Graph2 Thegraph1showsthetemperature ofonedegreeFahrenheitbetween1860to2000 increase Thegraph2showsthecarbondioxidecontent intheatmosphere wentup Theearthisbecom
4、ingwarmer 2 Whatdoyouknowaboutgreenhouseeffect Greenhousegasestrap 吸收 fromthesunandtherefore theearth heat warm 3 WhichfollowingstatementsaboutglobalwarmingisNOTTRUE A Theincreaseoftemperatureisbecauseoftheburningofthefossilfuels B Theburningofthefossilfuelscausedtheincreaeincarbondioxide C Allbelie
5、vesthatactivitiesofhumanshascausedglobalwarming D Theattitudesofscientiststowarditarethesame Thedifferentideasabouttheeffectsoftheglobalwarming floods faster Cropswillproducemore animals diseases Everyonebelievesthattheearthisbecoming hascausedthisglobalwarming humanproducesenergybyburning Duringthi
6、sprocess greenhousegasesareproduced Greenhousegasescantrap fromthesunandwarmtheearthwhichiscalled greenhouseeffect Theattitudesofscientiststowardsglobalwarmingare Ontheonehand itisapositivething Ontheotherhand iftherearetoomanygreenhousegases moreheatwillbetrapped causingglobalwarming warmer Humanac
7、tivity fossilfuels heat different After reading Aglobalwarming Aglobalwarning Whatcanwedoaboutglobalwarming 学科网 Discussion IfyouareareaderofthemagazineEarthCare pleasegivesomesuggestionsabouttheglobalwarming Groupwork plantmoretrees turnofftheelectricalappliance rideabikeratherthancar recyclethingss
8、uchasbottles plastics talkwithfamilyandfriendsaboutit suggectionsonglobalwarming Writing trees Weshould inorderto moItisagoodideato becauseitcan e g Weshouldplantmoretreesinordertoabsorbthecarbondioxide Itisagoodideatoplantmoretreesbecauseitcanabsorbthecarbondioxide Suggectionsonglobalwarming Letussaveenergyandprotectenvironmenttogether Writeashortpassageaboutthesuggestions atleast3 Homework Thankyou
