新課標人教版選修六BookUnitReading教學課件

Reading新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingReading新課標人教版選修六BookUnitReaWhatisthegreenhousemadeandusedfor?Whatisthegreenhousemade新課標人教版選修六BookUnitReading教學課件新課標人教版選修六BookUnitReading教學課件Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingAgreenhouseismadeofHowdoesitwork?

Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthe

coldperiod.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingHowdoesitwork?新課標人教版選修六BookWhatarethe“greenhousegases”?

Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼氣)andwatervapor.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingWhatarethe“greenhousegasesWhatdoyouthinkgreenhousegasesdo?

Theytrapheatfromthesunandthereforewarmtheearth.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingWhatdoyouthinkgreenhouse新課MainideasofeachpartWritingtechniques(Paragraph1)Introduceadebateovertheissueofglobalwarming.RaisingaquestionReading新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingMainideasofeachpartWritingMainideasofeachpartWritingtechniques(Paragraphs2---3)Illustratehowglobalwarmingcomesabout.Givingexamples,usinggraphs,explanation.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingMainideasofeachpartWriting(Paragraphs4---5)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Givingexamples,makingcontrast.

(Paragraphs4---5)Listtwod(Paragraph6)

It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Usingaquestion,leavingreaderstothinkovertheissue.

(Paragraph6)It'suptoreReadthetextcarefullyandfillintheblanks.ScientistsOpinionJaniceFoster◆Weneed1______likecarbondioxide,methaneandwatervapour,butifweaddhuge2__________extracarbondioxidetotheatmospherebyburningfossilfuels,itwillcausethe3________________togoup.gasesquantitiesofglobaltemperatureReadthetextcarefullyandfiScientistsOpinionJaniceFoster◆Overthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesCelsius.◆Anincreaseoffivedegreeswouldbea4____________.catastropheScientistsOpinionJaniceFosterScientistsOpinionsGeorgeHambley◆Believesthatweshouldn’tworryabout5__________ofcarbondioxideintheair.◆Predictsthatanywarmingwillbemildwithfewbadenvironmental6___________.◆7_______thatmorecarbondioxideisactuallya8________thing,whichwillmakelifeforhumanbeingsbetter.highlevels

consequencesStatespositiveScientistsOpinionsGeorgeHamblChoosethebestanswers.1.WhichofthefollowingisTRUEaccordingtothetext?A.ThetemperatureoftheearthincreasedaboutonedegreeFahrenheitduringthe20thcentury.B.Thecarbondioxidecontentintheairincreasedby70partspermillionfrom1957to1997.C.Allscientistsacceptthedataingraph2exceptCharlesKeeling.D.JaniceFostersaysthatmorecarbondioxidewillmakeplantsgrowfaster.AChoosethebestanswers.A2.WhichofthefollowingisDrJaniceFoster’sopinion?A.Theresultofthetemperatureincreasewillbeserious.B.Theamountofwarmingisnothingserious.C.Weneedn’tworryabouthighlevelsofcarbondioxide.D.Globalwarmingisanaturalphenomenon.A新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReading2.WhichofthefollowingisDComprehending新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingComprehending新課標人教版選修六BookUnit濃度單位新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReading濃度單位新課標人教版選修六BookUnitReading新課Glancequicklyatthemagazinearticleandanswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?

SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingGlancequicklyatthemagazineWhatarethenamesofthethreescientistsmentionedinthearticle?

TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingWhatarethenamesofthethre3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?

Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReading3.Whatdotheythinkaboutgl

GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.

CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingGeorgeHambleythinksWhatarethetwographsabout?

GraphIshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.

Graph2isaboutthecarbondioxidecontentintheatmosphere,1958--1990.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingWhatarethetwographsabout?Whatisthemaintopicofthearticle?

Globalwarming/thewarmingoftheearth.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReadingWhatisthemaintopicofthe2.True:3,5,6,7,8

False:1,2,4,9,10Correctsentences:1.Thetemperaturelastcenturyincreased

much.2.Noteveryonebelievesthatglobal

warmingiscausedbyhumanactivities.新課標人教版選修六BookUnitReading新課標人教版選修六BookUnitReading2.True:3,5,6,7,8新課標人教版選4.Naturalgasisnotagreenhousegas

butafossilfuel.9.GeorgeHambleythinksthatmorecarbondioxideisapositivethingand

itwillmakeplantsgrowfaster.10.Itisunknownwhattheeffectsof

globalwarmingwillbe.4.NaturalgasisnotagreenhDebateInstructions●Getintogroupsofsix.Decidewhichthreeinyourgrouparegoingtoagreewiththestatement(GroupA)andwhichthreearegoingtodisagreewiththestatement(GroupB).Debate●GroupAdiscusswhytheyagreewiththestatement;GroupBdiscusswhytheydisagree.●GroupAandBgettogether.Telleachotherthereasonswhyagreeordisagreewiththestatement.●GroupAdiscusswhytheyagrSupplementarymaterialsfordebating

Globalwarming1.Theplanethaswarmedanywherefrom0.5to1.0°C(1to2°F)overthelastcentury.SupplementarymaterialsfordeThissmallamountmakesahugedifference,causingglacierstomeltand,potentially(潛在的),sealeveltorise.Wecouldseeevenmoreofthisinthefuture,(maybeanother3°C,or5°F)Thissmallamountmakesahglobalwarmingglobalwarmingglobalwarmingglobalwarming2.Adefinitionofglobalwarmingwouldhavetoincludeameasurable,consistenttemperaturerise,liketheonewehaveseeninrecenthistory.Aquestionremains–Isitanunusualchange?Muchdebateaboutthatone.2.Adefinitionofglobalwarm3.Theearthgetsonekindofenergy(visiblelight)fromthesunandgivesoffanotherkind(infrared紅外線).Thiskindiswhatgetstrappedby"greenhousegases"(GHG's)intheatmosphere.3.TheearthgetsonekindofGreenhousegases4.Theglobalwarminggreenhouseeffectreallyisabogus(假的)term.Agreenhousekeepswarmbyphysicallytrappingtheairinsideandpreventingconvection(對流).Theatmospherehelpskeeptheplanetwarmbytrappingoutgoingradiationinstead.Greenhousegases5.TheleadinggassesareCarbon-dioxide,Methane,Ozone(臭氧)andNitrousOxide(一氧化二氮).Gasanalyzersshowtheconcentrationsofthisstuffhaveincre