新課標人教版選修六Book6-Unit4-Reading課件

ReadingReading1Whatisthegreenhousemadeandusedfor?Whatisthegreenhousemade2新課標人教版選修六Book6-Unit4-Reading(同名229)課件3新課標人教版選修六Book6-Unit4-Reading(同名229)課件4Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.Agreenhouseismadeof5Howdoesitwork?

Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthe

coldperiod.Howdoesitwork?6Whatarethe“greenhousegases”?

Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼氣)andwatervapor.Whatarethe“greenhousegases7Whatdoyouthinkgreenhousegasesdo?

Theytrapheatfromthesunandthereforewarmtheearth.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatdoyouthinkgreenhouse新課8MainideasofeachpartWritingtechniques(Paragraph1)Introduceadebateovertheissueofglobalwarming.RaisingaquestionReading新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】MainideasofeachpartWriting9MainideasofeachpartWritingtechniques(Paragraphs2---3)Illustratehowglobalwarmingcomesabout.Givingexamples,usinggraphs,explanation.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】MainideasofeachpartWriting10(Paragraphs4---5)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Givingexamples,makingcontrast.

新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】(Paragraphs4---5)Listtwod11(Paragraph6)

It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Usingaquestion,leavingreaderstothinkovertheissue.

新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】(Paragraph6)It'suptore12Readthetextcarefullyandfillintheblanks.ScientistsOpinionJaniceFoster◆Weneed1______likecarbondioxide,methaneandwatervapour,butifweaddhuge2__________extracarbondioxidetotheatmospherebyburningfossilfuels,itwillcausethe3________________togoup.gasesquantitiesofglobaltemperature新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Readthetextcarefullyandfi13ScientistsOpinionJaniceFoster◆Overthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesCelsius.◆Anincreaseoffivedegreeswouldbea4____________.catastrophe新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】ScientistsOpinionJaniceFoster14ScientistsOpinionsGeorgeHambley◆Believesthatweshouldn’tworryabout5__________ofcarbondioxideintheair.◆Predictsthatanywarmingwillbemildwithfewbadenvironmental6___________.◆7_______thatmorecarbondioxideisactuallya8________thing,whichwillmakelifeforhumanbeingsbetter.highlevels

consequencesStatespositive新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】ScientistsOpinionsGeorgeHambl15Choosethebestanswers.1.WhichofthefollowingisTRUEaccordingtothetext?A.ThetemperatureoftheearthincreasedaboutonedegreeFahrenheitduringthe20thcentury.B.Thecarbondioxidecontentintheairincreasedby70partspermillionfrom1957to1997.C.Allscientistsacceptthedataingraph2exceptCharlesKeeling.D.JaniceFostersaysthatmorecarbondioxidewillmakeplantsgrowfaster.A新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Choosethebestanswers.A新課標人教162.WhichofthefollowingisDrJaniceFoster’sopinion?A.Theresultofthetemperatureincreasewillbeserious.B.Theamountofwarmingisnothingserious.C.Weneedn’tworryabouthighlevelsofcarbondioxide.D.Globalwarmingisanaturalphenomenon.A新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.WhichofthefollowingisD17Comprehending新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Comprehending新課標人教版選修六Book6Un18濃度單位新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】濃度單位新課標人教版選修六Book6Unit4Readi19Glancequicklyatthemagazinearticleandanswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?

SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Glancequicklyatthemagazine20Whatarethenamesofthethreescientistsmentionedinthearticle?

TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatarethenamesofthethre213.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?

Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】3.Whatdotheythinkaboutgl22

GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.

CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】GeorgeHambleythinks23Whatarethetwographsabout?

GraphIshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.

Graph2isaboutthecarbondioxidecontentintheatmosphere,1958--1990.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatarethetwographsabout?24Whatisthemaintopicofthearticle?

Globalwarming/thewarmingoftheearth.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatisthemaintopicofthe252.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Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.True:3,5,6,7,8新課標人教版選264.Naturalgasisnotagreenhousegas

butafossilfuel.9.GeorgeHambleythinksthatmorecarbondioxideisapositivethingand

itwillmakeplantsgrowfaster.10.Itisunknownwhattheeffectsof

globalwarmingwillbe.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】4.Naturalgasisnotagreenh27DebateInstructions●Getintogroupsofsix.Decidewhichthreeinyourgrouparegoingtoagreewiththestatement(GroupA)andwhichthreearegoingtodisagreewiththestatement(GroupB).新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Debate新課標人教版選修六Book6Unit4Rea28●GroupAdiscusswhytheyagreewiththestatement;GroupBdiscusswhytheydisagree.●GroupAandBgettogether.Telleachotherthereasonswhyagreeordisagreewiththestatement.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】●GroupAdiscusswhytheyagr29Supplementarymaterialsfordebating

Globalwarming1.Theplanethaswarmedanywherefrom0.5to1.0°C(1to2°F)overthelastcentury.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Supplementarymaterialsforde30Thissmallamountmakesahugedifference,causingglacierstomeltand,potentially(潛在的),sealeveltorise.Wecouldseeevenmoreofthisinthefuture,(maybeanother3°C,or5°F)新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Thissmallamountmakesah31globalwarming新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】globalwarming新課標人教版選修六Book6U32globalwarming新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】globalwarming新課標人教版選修六Book6U332.Adefinitionofglobalwarmingwouldhavetoincludeameasurable,consistenttemperaturerise,liketheonewehaveseeninrecenthistory.Aquestionremains–Isitanunusualchange?Muchdebateaboutthatone.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.Adefinitionofglobalwarm343.Theearthgetsonekindofenergy(visiblelight)fromthesunandgivesoffanotherkind(infrared紅外線).Thiskindiswhatgetstrappedby"greenhousegases"(GHG's)intheatmosphere.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】3.Theearthgetsonekindof35Greenhousegases4.Theglobalwarminggreenhouseeffectreallyisabogus(假的)term.Agreenhousekeepswarmbyphysicallytrappingtheairinsideandpreventingconvection(對流).Theatmospherehelpskeeptheplanetwarmbytrappingoutgoingradiationinstead.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Greenhousegases新課標人教版選修六Book365.TheleadinggassesareCarbon-dioxide,Methane,Ozone(臭氧)andNitrousOxide(一氧化二氮).Gasanalyzersshowtheconcentrationsofthisstuffhaveincreasedsomewhatsincethebeginningoftheindustrialrevolution.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】5.TheleadinggassesareCarb376.ThegreenhouseeffectraisestheaveragetemperatureoftheEarthbymorethan30degrees,sowithoutittheEarthwouldbeaverycoldplace!新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】6.Thegreenhouseeffectraises38greenhouseeffect新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】greenhouseeffect新課標人教版選修六Boo39greenhouseeffect新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】greenhouseeffect新課標人教版選修六Boo40GREENHOUSEFeelinghelplesstodoanythingaboutglobalwarming?Findouthowonefamilycuttheirownpersonalgreenhouse-gasemissionsby65percent--andhowyoucandothesame.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】GREENHOUSE新課標人教版選修六Book6Uni41greenhouseeffect新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】greenhouseeffect新課標人教版選修六Boo42

Homework

1.Readthepassageagainandreviewthenewwordsandexpressions.2.Preparethedebateingroups.3.PreviewUsingLanguage--WHATCANWEDOABOUTGLOBALWARMING?新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Homework新課標人教版選修六Book6Uni431.榜樣示范與言傳身教并重。現(xiàn)代教育理念認為，家庭是子女的第一所學校。這與古人在教育方面講求以身示范、身體力行來達到教育晚輩的目的是較為一致的。他們都是通過言傳身教，營造正面而健康的家庭氛圍，以期對晚輩的人格塑造產生潛移默化的影響。2.家訓文化源遠流長，它是中國優(yōu)秀傳統(tǒng)文化的重要組成部分，潛移默化地影響著人們的內心、精神、思想及其生活。3.中國傳統(tǒng)家訓文化意蘊豐富，在立德、修身、齊家、處世等方面均有其行為規(guī)范，它還包括傳統(tǒng)文化及其價值傾向。4.我國的家訓文化在周代就已經產生，家訓文化的作用非常明顯，如團結族人、凝聚家庭氛圍、形成良好家族風氣等。5.進一步注重家庭所發(fā)揮的積極作用，從而形成施教導民、上下和合的良好局面，是使精神文明建設適應于現(xiàn)代化建設的需要的前提。6.優(yōu)秀的家風積淀著中華民族優(yōu)秀傳統(tǒng)文化，它所蘊含的基本精神，將成為與時俱進和創(chuàng)新發(fā)展的社會主義核心價值觀的力量源泉。7.小說開篇包含了豐富的信息，讓我們大概了解了李老師的基本情況，包括身體情況、工作情況、經濟狀況和他同孩子們之間的關系8．美國國家太空協(xié)會是一個致力于創(chuàng)建太空文明的民間非營利組織，由國家太空研究所和拉格朗日點協(xié)會發(fā)展而來。9．雖然火星的自然環(huán)境十分惡劣，但未來對火星進行改造以及人類在火星建造基地，這些都有可能成為現(xiàn)實。10．目前應用于深空探測中的人工智能仍處于弱人工智能階段，而探月工程由于人工智能的廣泛應用，已經走向強人工智能化。11．中國開展火星探測的可行性論證與探月工程幾乎同步，而中圖首次火星探測任務從正式立項到正式啟動僅用了四個月的時間。感謝觀看，歡迎指導！新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】1.榜樣示范與言傳身教并重?，F(xiàn)代教育理念認為，家庭是子女的第44ReadingReading45Whatisthegreenhousemadeandusedfor?Whatisthegreenhousemade46新課標人教版選修六Book6-Unit4-Reading(同名229)課件47新課標人教版選修六Book6-Unit4-Reading(同名229)課件48Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.Agreenhouseismadeof49Howdoesitwork?

Theairinsideiswarmbecausetheglasstrapstheheatfromthesunandkeepsitfromescaping.Thismakesthegreenhouseheatupandsotheplantscangrowthroughoutthe

coldperiod.Howdoesitwork?50Whatarethe“greenhousegases”?

Intheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”,includingcarbondioxide,methane(甲烷,沼氣)andwatervapor.Whatarethe“greenhousegases51Whatdoyouthinkgreenhousegasesdo?

Theytrapheatfromthesunandthereforewarmtheearth.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatdoyouthinkgreenhouse新課52MainideasofeachpartWritingtechniques(Paragraph1)Introduceadebateovertheissueofglobalwarming.RaisingaquestionReading新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】MainideasofeachpartWriting53MainideasofeachpartWritingtechniques(Paragraphs2---3)Illustratehowglobalwarmingcomesabout.Givingexamples,usinggraphs,explanation.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】MainideasofeachpartWriting54(Paragraphs4---5)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Givingexamples,makingcontrast.

新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】(Paragraphs4---5)Listtwod55(Paragraph6)

It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.Usingaquestion,leavingreaderstothinkovertheissue.

新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】(Paragraph6)It'suptore56Readthetextcarefullyandfillintheblanks.ScientistsOpinionJaniceFoster◆Weneed1______likecarbondioxide,methaneandwatervapour,butifweaddhuge2__________extracarbondioxidetotheatmospherebyburningfossilfuels,itwillcausethe3________________togoup.gasesquantitiesofglobaltemperature新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Readthetextcarefullyandfi57ScientistsOpinionJaniceFoster◆Overthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesCelsius.◆Anincreaseoffivedegreeswouldbea4____________.catastrophe新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】ScientistsOpinionJaniceFoster58ScientistsOpinionsGeorgeHambley◆Believesthatweshouldn’tworryabout5__________ofcarbondioxideintheair.◆Predictsthatanywarmingwillbemildwithfewbadenvironmental6___________.◆7_______thatmorecarbondioxideisactuallya8________thing,whichwillmakelifeforhumanbeingsbetter.highlevels

consequencesStatespositive新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】ScientistsOpinionsGeorgeHambl59Choosethebestanswers.1.WhichofthefollowingisTRUEaccordingtothetext?A.ThetemperatureoftheearthincreasedaboutonedegreeFahrenheitduringthe20thcentury.B.Thecarbondioxidecontentintheairincreasedby70partspermillionfrom1957to1997.C.Allscientistsacceptthedataingraph2exceptCharlesKeeling.D.JaniceFostersaysthatmorecarbondioxidewillmakeplantsgrowfaster.A新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Choosethebestanswers.A新課標人教602.WhichofthefollowingisDrJaniceFoster’sopinion?A.Theresultofthetemperatureincreasewillbeserious.B.Theamountofwarmingisnothingserious.C.Weneedn’tworryabouthighlevelsofcarbondioxide.D.Globalwarmingisanaturalphenomenon.A新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.WhichofthefollowingisD61Comprehending新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Comprehending新課標人教版選修六Book6Un62濃度單位新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】濃度單位新課標人教版選修六Book6Unit4Readi63Glancequicklyatthemagazinearticleandanswerthequestions.Whowrotethemagazinearticle?Whatisthenameofthemagazine?

SophieArmstrongwrotethemagazinearticle.ThenameofthemagazineisEarthCare.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Glancequicklyatthemagazine64Whatarethenamesofthethreescientistsmentionedinthearticle?

TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatarethenamesofthethre653.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?

Theydon'tagreewitheachother.Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】3.Whatdotheythinkaboutgl66

GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.

CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】GeorgeHambleythinks67Whatarethetwographsabout?

GraphIshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.

Graph2isaboutthecarbondioxidecontentintheatmosphere,1958--1990.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatarethetwographsabout?68Whatisthemaintopicofthearticle?

Globalwarming/thewarmingoftheearth.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Whatisthemaintopicofthe692.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Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.True:3,5,6,7,8新課標人教版選704.Naturalgasisnotagreenhousegas

butafossilfuel.9.GeorgeHambleythinksthatmorecarbondioxideisapositivethingand

itwillmakeplantsgrowfaster.10.Itisunknownwhattheeffectsof

globalwarmingwillbe.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】4.Naturalgasisnotagreenh71DebateInstructions●Getintogroupsofsix.Decidewhichthreeinyourgrouparegoingtoagreewiththestatement(GroupA)andwhichthreearegoingtodisagreewiththestatement(GroupB).新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Debate新課標人教版選修六Book6Unit4Rea72●GroupAdiscusswhytheyagreewiththestatement;GroupBdiscusswhytheydisagree.●GroupAandBgettogether.Telleachotherthereasonswhyagreeordisagreewiththestatement.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】●GroupAdiscusswhytheyagr73Supplementarymaterialsfordebating

Globalwarming1.Theplanethaswarmedanywherefrom0.5to1.0°C(1to2°F)overthelastcentury.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Supplementarymaterialsforde74Thissmallamountmakesahugedifference,causingglacierstomeltand,potentially(潛在的),sealeveltorise.Wecouldseeevenmoreofthisinthefuture,(maybeanother3°C,or5°F)新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Thissmallamountmakesah75globalwarming新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】globalwarming新課標人教版選修六Book6U76globalwarming新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】globalwarming新課標人教版選修六Book6U772.Adefinitionofglobalwarmingwouldhavetoincludeameasurable,consistenttemperaturerise,liketheonewehaveseeninrecenthistory.Aquestionremains–Isitanunusualchange?Muchdebateaboutthatone.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】2.Adefinitionofglobalwarm783.Theearthgetsonekindofenergy(visiblelight)fromthesunandgivesoffanotherkind(infrared紅外線).Thiskindiswhatgetstrappedby"greenhousegases"(GHG's)intheatmosphere.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】3.Theearthgetsonekindof79Greenhousegases4.Theglobalwarminggreenhouseeffectreallyisabogus(假的)term.Agreenhousekeepswarmbyphysicallytrappingtheairinsideandpreventingconvection(對流).Theatmospherehelpskeeptheplanetwarmbytrappingoutgoingradiationinstead.新課標人教版選修六Book6Unit4Reading【公開課課件】新課標人教版選修六Book6Unit4Reading【公開課課件】Greenhousegases新課標人教版選修六Book805.TheleadinggassesareCarbon-dioxide,Methane,Ozone(臭氧)andNitro