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ID:48225568
大小:2.30 MB
页数:22页
时间:2020-01-18
《人教版高中英语选修六《Unit 4 Global warming》Reading优质课件 (共22张PPT).ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Book6Unit4GlobalWarming-Readingwww.themegallery.comWhatistheweatherliketoday?www.themegallery.comextremeweathereventsdroughtwww.themegallery.comfloodwww.themegallery.comtyphoonwww.themegallery.comTsunamiwww.themegallery.comhightemperaturewww.themegallery.comW
2、hathascausedtheextremeclimate?www.themegallery.comTheEarthIsBecomingWarmer–ButDoesItMatter?www.themegallery.comWhatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentint
3、heatmospherefrom1957to1997.What’stherelationshipbetweenthetwofactorsandglobalwarming?www.themegallery.comGreenhouseEffectGlobalwarmingGreenhousegases(CO2)traptheheatfromthesun,whichcausesthetemperatureofearthtogoup.www.themegallery.comSkimmingTask1:Whowrotethe
4、article?Whatisthemainideaofthemagazine?Whatarethenamesofthe3scientists?SophieArmstrongGlobalwarming/thewarmingoftheearth.DrJaniceFoster,CharlesKeeling,GeorgeHambleyReadingwww.themegallery.comMadeaccuratemeasurementsoftheamountofCO2IntroductionofGreenhousegases
5、andGreenhouseeffectPredicttheglobalwarmingwillbemildandpositiveDrJaniceFosterCharlesKeelingGeorgeHambleyTask2:ComparingTheOutlineofdifferentopinionsGroup1Group2Group3www.themegallery.comThetopicIntroductionPara.1Para.6-7Task3ScanningTheorganizationofthearticle
6、:BodyPara.2-5Conclusionwww.themegallery.comWhowritesthisarticle?SophieArmstrongofEarthCareWheredoesthisarticlemostprobablycomefrom?A.NewspaperB.NovelC.MagazineCarefulreadingPart1(1)Introductionofglobalwarmingwww.themegallery.com2.___________________________1.
7、___________________Part2(2-5)Howglobalwarmingcomesabout?theburningoffossilfuelshumanactivityCarbondioxideMethaneWhataretheGreenhousegases?1.2.3.WatervaporGreenhouseeffectwww.themegallery.comDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperature
8、to__________.Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage____________________
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