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Unit4GlobalWarming人教新课标选修六贵州省思南中学许义怀制作Theeffectsofglobalwarming•Negativeeffects:1causethesealeveltorise;2severestorms;3droughts;4famine;5destructionofspecies6floodTheeffectsofglobalwarming•Positiveeffects:1makeplantsgrowfaster;2cropswillproducemore;3makelifebetter•Energysources?•Internationalrelations?•Money?•Technology?Whichisthemostimportanttoacountry?•…•Manpower?energysourcesWedependonenergytodomanythingsinourdailylives.Forexample,energylightsourcitiesandheatsourbuildings.Makealistofthingsthatuseenergyinyourhome,inyourschool,oranyotherplacesyoucanthinkof.stovelightthingsthatuseenergyinyourhomemicro-waveovencassetteplayerheatingtelevisionhairdryervideoplayerfridgecomputerwashingmachinestoveWindenergyisusedaspowertoproduceelectricity.Windmillswhereelectricityisproducedbyburningcoals.Thecoalpowerstationsinwhichoilisrefinedandmadepure.TheOilRefineriesafacilitydesignedtoconvertnuclearenergyintoelectricity.Anuclearpowerplantontheroofofahouseonabrightsunnydayareusedtocollectsolarenergy,makingyourhousewarmorheatingyourwater.Solarpanelsareusedtokeepbackwaterandraiseitslevelforirrigationorforproducingelectricity,etc.TheHydro-electricdamsAnenergysourceis“renewable”whensuppliesofitneverrunoutand“non-renewable”whenonedaytheywillrunout.Whichenergysourcesonyourlistarerenewableandwhicharenon-renewable?DiscussionCoalOilNaturalgasUranium[化]铀(nuclearenergy)FossilfuelsNon-renewableWind(windpower)Sun(solarenergy)Water(hydro-electricpower)Plantwaste植物性废物(biomassenergy生物团能量)Hotspringsorgeysers间歇泉(geothermalenergy)Thesea(tidalenergy潮汐能)RenewableWhatarefossilfuels?•FossilfuelsareAncientanimalandplantmaterialbelowthesurfaceoftheearthwithahighcarboncontent,suchascoal,oilandnaturalgas,whichcanbeburnttoproduceenergy.Theyarealsoknownasnon-renewableenergybecauseoncetheyarerunoutof/runout,theycannotberenewed.Whatarethesebuildingsmadeofandwhatistheirpurpose?Theyaremadeofglassandplantscangrowinitwhenitiscoldoutside.Howdoesitwork?Theglasstrapstheheatfromthesun,makingtheairwarmsothatplantscangrowbetter.Greenhousegases!What’sgreenhousegaseseffect?Greenhousegasesperformthesamefunctionastheglassinagreenhouse---Theytraptheheatofthesunandkeeptheairsurroundingtheearthwarm.Itiscalledthegreenhouseeffect.TheEarthIsBecomingWarmer–ButDoesItMatter?TranslatethefollowingwordsintoEnglish:•图表•现象•燃料•影响•灾难•副产品•数据•气候•每•陈述•范围•干旱graphphenomenonfuelperdatacatastropheclimateconsequencestaterangebyproductdrought•与…比较•发生•大量的•导致•增加•毫无疑问•继续•物种的灭绝comparetocomeabouthugequantitiesofresultinbuildupThereisnodoubtthat…keeponthedestructionofspeciesTranslatethefollowingwordsintoEnglish:skimmingSkimthetexttogetthemainideaofthepassageandeachparagraph,thendividethewholepassageinto4partsandsummarisethemainideaofeachpart.MainideasofeachpartPart1(1)IntroduceadebateovertheissueofglobalwarmingPart2(2-5)Explanationabouthowglobalwarmingcomesabout.Part3(6)Twodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)Twochoicesofdealingwiththisproblem.Choosethebestanswer.1.Thefirstgraphinthetextisusedto________.A.attractreaders’attentionB.introducethetopicofglobalwarmingC.actasanexampleD.supporttheopinionandmakeitmoreconvincing2.Theauthorprobablyagreesthat________.A.globalwarmingisgoodforusB.wecandonothingaboutglobalwarmingC.catastropheswillhappeniftheglobekeepsonwarmingD.muchremainstobefoundoutabouttheeffectsofglobalwarmingFastReadingandComprehendingScanning1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?2.Whatarethenamesofthethreescientistsmentionedinthearticle?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?4.Whatarethetwographsabout?SophieArmstrongwrotethemagazinearticle.Thenameofthemagazineis“Earthcare”.2.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.4.Whatarethetwographsabout?Graph1showsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.Graph1:Graph2:Whatisthemaintopicofthearticle?A.Theearth.B.Globalwarming.C.Becomingwarmerdoesn’tmatter.Trueorfalse?1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.TTF4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.TTFDetailed-ReadingReadthearticleindetailsandfinishthefollowingtask.Dr.JaniceFosterCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea____________andcouldbe______________.goupcatastropheveryseriousThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyGeorgeHambleyMorecarbondioxideisa__________thing,wh