银川九中高二2班,unit4 global warming,来冬梅

Unit4WarmingupandreadingGlobalwarmingWarmingupWedependonenergytodomanythingsinourdailylives.Forexample,energylightsourcitiesandheatsourbuildings.Makealistofthingsthatuseenergyinyourhome,inyourschool,oranyotherplacesyoucanthinkof.thingsthatuseenergyinourlifeheatinghairdryerfridgetelevisionthingsthatuseenergyinourlifewashingmachineelectromagneticovenelectricfanDoyouknowhowenergyisproduced?Howmanysourcesofenergycanyoulist?Windenergyisusedaspowertoproduceelectricity.windmillsElectricityisproducedbyburningcoals.coalpowerstationsOilisrefinedandmadepure.oilrefineriesNuclearenergyisconvertedintoelectricity.nuclearpowerplantpiecesofequipmentonaroofthatcollectsenergyfromsunlightinordertoheatwaterandproduceelectricitysolarpanelsWaterarekeptbackandraiseditslevelforirrigationorforproducingelectricity.hydro-electricdamsgeothermal(地热的)energyplantElectricityisgeneratedfromhotdryrocks.Aretheyrenewableornon-renewable?windenergyrenewablesolarenergyrenewablehydroelectricpowerrenewablegeothermalenergyrenewabletidalenergyrenewablebiomassenergyrenewablenuclearpowerplantnon-renewableanoilrefinery(精炼厂)non-renewablecoalpowerstationnon-renewablenaturalgasnon-renewableuraniumOre(铀矿石)non-renewableWhatisthebuildingmadeofandwhatisitusedfor?Itismadeofglassandplantscangrowinitwhentheweatheriscoldoutside.Haveyoueverseenagreenhouse?Howdoesitwork?Theairinsideiswarmbecausetheglasstraptheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthecoldperiod.Whatarethe“greenhousegases”?Whatdoyouthinkgreenhousegasesdo?What’sgreenhouseeffect?Greenhousegasesperformthesamefunctionastheglassinagreenhouse---theytraptheheatofthesunandkeeptheairsurroundingtheearthwarm.greenhouseeffectGlobalwarming/Thewarmingoftheearth.Skimthetextandfindoutthemaintopicofthearticle.Readthetextandanswerthequestions:1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?2.Whatarethenamesofthethreescientistsmentionedinthearticle?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?4.Whatarethetwographsabout?5.Whatisthemaintopicofthearticle?SophieArmstrongwrotethemagazinearticle.Thenameofthemagazineis“Earthcare”.2.Whatarethenamesofthethreescientistsmentionedinthearticle?TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.4.Whatarethetwographsabout?Graph1showsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Graph2showsthecarbondioxidecontentintheatmospherefrom1957to1997.Choosethebestanswers.1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1997?A.Dr.JaniceFoster.B.CharlesKeeling.C.GeorgeHambley.D.SophieArmstrong.2.Theauthorprobablyagreesthat______.A.actuallyglobalwarmingisgoodformanB.weshoulddonothingabouttheglobalwarmingC.catastropheswillhappeniftheglobekeepsonwarmingD.alotremainstobefoundoutabouttheeffectsofglobalwarming.1.Thetemperaturelastcenturydidn’tincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.Trueorfalse4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.ConstructionPart1(1)Introduceadebateovertheissueofglobalwarming.MainideaofeachpartPart2(2-5)Howglobalwarmingcomesabout.Part3(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.A:Weshalldosomethingaboutglobalwarming.B:Weshalldonothingaboutglobalwarming.DebateIthasatitle,afirstparagraphthatrunsacrossthepageandisinbold,themaintextintwocolumns,graphs/diagrams,twoquotes.Whatisthestructureofamagazinelikethisandhowisthetextorganized?Whatisthepurposeofthefirstparagraph?Tointroducethetopic.Whatarethediagramsfor?Toillustratepointsbyprovidingevidence.GlobalwarmingUnit4OuyangGuangandtheeditorofEarthCare.Whoarethewritersoftheletters?What’sthepurposeofOuyangGuang’sletter?TogetsomesuggestionsfromEarthCareaboutglobalwarming.Readthefirstletterandanswerthequestions.WhatareOuyangGuang’stwoconcerns?Thesecondisthatheisnotsurewheretostartwithhisproject.Thefirstisthathefeelsthatindividualcannothaveeffectonhugeenvironmentalproblems.WhichisnotthereasonwhyOuyangGuangwritestheletter?A.Heisdoingaprojectonglobalwarming.B.Hefeelsindividualscanaffecthugeenvironmentalproblems.C.Heisn’tsurewheretostartwithhisproject.D.HewantstogetsomesuggestionsfromEarthCare.DoesEarthCareagreewithOuyangGuang’sopinionthatindividualscanhavenoeffect?Why?Readthesecondletterandanswerthequestions.Whichisnottrueaccordingtotheeditor’sletter?A.Together,individualscanmakeadifferencetoenvironmentalproblems.B.Individualsmustputupwithpollution.C.Manyactivitiesindividualsdocanproducecarbondioxide.D.I