人教版选修6unit4reading课件.ppt

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1、1WordsstudyGlobalwarmingUnit4Pre-reading&readingIDoyouknowanythingthatconsume(消耗)energyinthehomeandtheclass?Doyouknowanykindofenergyresource?Warminguplights,television,computer,washingmachine,hairdryer,camera,…windcoaloilnuclearpowersolarpowerwater4renewable可再生的rene

2、wablerenewablenon-renewable不可再生的non-renewablenon-renewableWhatisthegreenhousemadeandusedfor?GreenhouseAgreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.GreenhouseEffect温室效应8traptheheatfromthesunkeepitfromescapingwarmAgreenhouseHowdoesitwo

3、rk?9Howdoesthisglobalwarmingcomeabout?Manburnsfossil____---producehugequantitiesofgreenhousegases,esp.___________---thegasestraph____fromthesunandthereforew____theearth.fuelscarbondioxideheatwarmGreenhouseGreenhouseEffectGreenhousegasesGlobalwarmingreasonsArisingpop

4、ulationTheuseofenergyGreenhousegasesBurningoffossilfuels(coal,oilandnaturalgas)AgriculturalindustryDestructionofforests11Skimthearticle:★★Whatarethenamesofthethreescientistsmentionedinthearticle?Whowrotethearticle?Whatisthenameofthemagazine?FastReading12Whatisthewri

5、tingstyle?A.Expositive(说明文)B.Practical(应用文)C.Argumentative(议论文)D.Narrative(记叙文)Theorganizationofanexpositiveessay:IntroductionAtitleBodyConclusionPara.1Para.2-6Para.713Lookthroughthemaintext:Para.1Para.2-5IIIPara.6IIIPara.7IV★★★IntroductionBodyConclusion14Matchthep

6、artswiththemainideas:Explainhowglobalwarmingcomesabout.Listtwodifferentattitudesamongscientiststowardsglobalwarming.Introducethetopicofglobalwarming.●It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Part1Part2Part4Part3★★★15Matcht

7、hepartswiththewritingskills:Usingaquestion,leavingreaderstothinkovertheissueRaisingaquestionGivingexamples,makingcontrast(comparison)Givingexamples,usinggraphs,explanation★★★Part1Part4Part3Part216★★★The2graphsareusedtoexplainpointsbyproviding.evidenceevidenceorargum

8、ent?Readthe2graphs:Detailedreading★★★★★★17The1stgraphshowstheglobaltbetween1860and.Thetemperatureianddecreasedoverthisperiodbutonthewholei