人教版高中英语选修六《Unit 4 Global warming》Reading优质课件 （共22张PPT）.ppt

《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)Introductionofglobalwarmingwww.themegallery.com2.___________________________1.

7、___________________Part2(2-5)Howglobalwarmingcomesabout?theburningoffossilfuelshumanactivityCarbondioxideMethaneWhataretheGreenhousegases?1.2.3.WatervaporGreenhouseeffectwww.themegallery.comDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperature

8、to__________.Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage____________________