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高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件Unit4Unit4ReadingTheearthisbecomingwarmer,butdoesitmatter?ReadingTheearthis
LearningAims1.Tolearnsomeimportantwordsandphrasesaboutglobalwarming.2.Todevelopthereadingskillsbyskimmingandscanningthepassage.3.Tostrengthentheawarenessofenvironmentprotection.LearningAimsPre-readingPre-reading1.What'sthemaintopicofthepassage?Themaintopicofthepassageisabout
.2.Whowrotethemagazinearticle?Whatisthenameofthemagazine?
wrotethemagazinearticle;thenameofthemagazineis
.3.Whatarethenamesofthethreescientistsmentionedinthearticle?Thenamesofthethreescientistsmentionedinthearticleare
,
and
.Dotheyagreewithoneanother?
globalwarmingSophieArmstrongEarthCareDrJaniceFosterCharlesKeelingGeorgeHambleyNo,theydon’t.1.What'sthemaintopicofthePart1Part2Part3C.Introductionofglobalwarming
(1)(2-5)(6)A.
HowglobalwarmingcomesaboutB.ListtwodifferentattitudestowardsglobalwarmingPart4(7)D.WhetherpeopleshoulddosomethingaboutglobalwarmingPart1Part2Part3C.Introduction
Step1FastreadingStep11.Howmuchdidthetemperatureriseinthe1900s?A.OnedegreeFahrenheit.B.OneCelsius.C.Twodegrees.D.ThirtydegreesCelsius.2.Whatcausestheearth’stemperatureincreasing?A.CuttingtreesB.Wastingthefarmland.C.RunningoutoftheriverwaterD.Burningfossilfuels.1.Howmuchdidthetemperatur3.WhichofthefollowingisDr.JaniceFoster’sopinion?A.Theresultofthetemperatureincreasewillbeserious. B.Theamountofwarmingisnothingserious.C.Weneedn’tworryabouthighlevelsofcarbondioxide.D.Globalwarmingisanaturalphenomenon.3.WhichofthefollowingisDr4.AccordingtoGeorgeHambley,
.A.Globalwarmingisaseriousproblem.B.Thereisnoneedtoworryaboutglobalwarming.C.ThelevelsofCO2intheairwillbecomelowerinthefuture.D.Moreanimalswillmakegreenhousegasesdecrease.4.AccordingtoGeorgeHambley,5.Wecaninferfromthetextthat__________.A.thedebateabouttheeffectsofglobalwarminghasnotbeensettled.B.thegreenhouseeffectistheresultofpeople’sactions.C.allscientiststhinkitisimportanttoreducetheamountofCO2intheatmosphere.D.reducinggreenhousegaseswillimmediatelydecreasetheearth’stemperature.5.Wecaninferfromthetext
Step2CarefulreadingStep2Carefulreading(Para.2-Para.3)
Thereasonsforglobalwarming
.
.humanactivity
theburningoffossilfuels(Para.2-Para.3)huma
greenhousegases
carbondioxide
methane
watervapourgreenhousegasescarbondioxid(Para.4-Para.5)
Thelevelsofcarbondioxidehaveincreasedgreatlyoverthelast
.AccordingtoDr.CharlesKeeling,from
to
,theamountintheatmospherewentupfromaround
partstoaround
partspermillionDr.JaniceFosterbelievesoverthenextcentury,theamountofwarmingcouldbeaslowas
degreesCelsius,butitcouldalsobeashighas
degrees.
100to150years
19571997
315
370
1to1.5
5(Para.4-Para.5)100to150yePart3(6-7)ariseintheseelevelseverestormsdroughtsfloodsoptimisticItwillcause:pessimisticItisa_______thing,
whichmakesplantsgrow______;cropswillproduce
_____;itwillencourageagreaterrangeof_______-allofwhichwillmakelife_____.positivequickermoreanimalsbetterDr.JaniceFosterGeorgeHambleyPart3(6-7)ariseintheseele
Step3FurtherreadingStep3()1.Thetemperatureinthelastcenturyseemedtoincreasemuch.()2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()3.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.()4.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherharmtotheearth.()5.Itisclearwhattheeffectsofglobalwarmingwillbe.
F
T
T
T
F()1.Thetemperatureinthe
Step4RetellingStep4RetellingThetemperatureoftheearth1
(rise)aboutonedegreeduringthe20thcentury.Howhasthiscome
2
?Allscientistssubscribe3
theviewthatitishumanactivity4
hascausedthe5
(globe)warmingrather6
arandombutnaturalphenomenon.Somescientiststhinkweaddlarge7
(quantity)ofcarbondioxidetotheair.Somescientistsbelievetheburningofmoreandmorefossilfuels8
(have)resultedintheincreaseofcarbondioxide.Greenhousegasescontinuetobuild9
.ItmaybeacatastrophebutGeorge10
(state)thatitisapositivething.
rose
about
to
that
global
than
quantities
has
up
statesThetemperatureoftheearth1高中英語_Globalwarming教學(xué)教學(xué)課件
Step5Freetalk-----AspeechStep5Part3(6-7)Opinion1:Weshalldosomethingaboutglobalwarming.Opinion2:Weshalldonothingaboutglobalwarming.FreetalkPart3(6-7)Opinion1:Opinion2:Boysandgirls,Itisagreathonorformetogivethespeechaboutglobalwarming.AllourgroupmembersareinfavorofOpinion1because........................Opinion2because…......................................................
Soitistimeforustotakesomeactionssuchas……..........................
Sothereisnoneedtoworrytoomuchaboutglobalwarming.OK.Somuchformyspeechandthanksforyourlistening.Boysandgirls,WordsstudyThegreenworldwillreturntous!SummaryWordsstudyThegreenworldwil1.Retellthepassagefluentlyinyourownwords2.WriteashortpassagetitledWhatshouldwedotopreventglobalwarmingHomework
1.Retellthepassagefluently高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件高中英語_Globalwarming教學(xué)教學(xué)課件Unit4Unit4ReadingTheearthisbecomingwarmer,butdoesitmatter?ReadingTheearthis
LearningAims1.Tolearnsomeimportantwordsandphrasesaboutglobalwarming.2.Todevelopthereadingskillsbyskimmingandscanningthepassage.3.Tostrengthentheawarenessofenvironmentprotection.LearningAimsPre-readingPre-reading1.What'sthemaintopicofthepassage?Themaintopicofthepassageisabout
.2.Whowrotethemagazinearticle?Whatisthenameofthemagazine?
wrotethemagazinearticle;thenameofthemagazineis
.3.Whatarethenamesofthethreescientistsmentionedinthearticle?Thenamesofthethreescientistsmentionedinthearticleare
,
and
.Dotheyagreewithoneanother?
globalwarmingSophieArmstrongEarthCareDrJaniceFosterCharlesKeelingGeorgeHambleyNo,theydon’t.1.What'sthemaintopicofthePart1Part2Part3C.Introductionofglobalwarming
(1)(2-5)(6)A.
HowglobalwarmingcomesaboutB.ListtwodifferentattitudestowardsglobalwarmingPart4(7)D.WhetherpeopleshoulddosomethingaboutglobalwarmingPart1Part2Part3C.Introduction
Step1FastreadingStep11.Howmuchdidthetemperatureriseinthe1900s?A.OnedegreeFahrenheit.B.OneCelsius.C.Twodegrees.D.ThirtydegreesCelsius.2.Whatcausestheearth’stemperatureincreasing?A.CuttingtreesB.Wastingthefarmland.C.RunningoutoftheriverwaterD.Burningfossilfuels.1.Howmuchdidthetemperatur3.WhichofthefollowingisDr.JaniceFoster’sopinion?A.Theresultofthetemperatureincreasewillbeserious. B.Theamountofwarmingisnothingserious.C.Weneedn’tworryabouthighlevelsofcarbondioxide.D.Globalwarmingisanaturalphenomenon.3.WhichofthefollowingisDr4.AccordingtoGeorgeHambley,
.A.Globalwarmingisaseriousproblem.B.Thereisnoneedtoworryaboutglobalwarming.C.ThelevelsofCO2intheairwillbecomelowerinthefuture.D.Moreanimalswillmakegreenhousegasesdecrease.4.AccordingtoGeorgeHambley,5.Wecaninferfromthetextthat__________.A.thedebateabouttheeffectsofglobalwarminghasnotbeensettled.B.thegreenhouseeffectistheresultofpeople’sactions.C.allscientiststhinkitisimportanttoreducetheamountofCO2intheatmosphere.D.reducinggreenhousegaseswillimmediatelydecreasetheearth’stemperature.5.Wecaninferfromthetext
Step2CarefulreadingStep2Carefulreading(Para.2-Para.3)
Thereasonsforglobalwarming
.
.humanactivity
theburningoffossilfuels(Para.2-Para.3)huma
greenhousegases
carbondioxide
methane
watervapourgreenhousegasescarbondioxid(Para.4-Para.5)
Thelevelsofcarbondioxidehaveincreasedgreatlyoverthelast
.AccordingtoDr.CharlesKeeling,from
to
,theamountintheatmospherewentupfromaround
partstoaround
partspermillionDr.JaniceFosterbelievesoverthenextcentury,theamountofwarmingcouldbeaslowas
degreesCelsius,butitcouldalsobeashighas
degrees.
100to150years
19571997
315
370
1to1.5
5(Para.4-Para.5)100to150yePart3(6-7)ariseintheseelevelseverestormsdroughtsfloodsoptimisticItwillcause:pessimisticItisa_______thing,
whichmakesplantsgrow______;cropswillproduce
_____;itwillencourageagreaterrangeof_______-allofwhichwillmakelife_____.positivequickermoreanimalsbetterDr.JaniceFosterGeorgeHambleyPart3(6-7)ariseintheseele
Step3FurtherreadingStep3()1.Thetemperatureinthelastcenturyseemedtoincreasemuch.()2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()3.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.()4.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherharmtotheearth.()5.Itisclearwhattheeffectsofglobalwarmingwillbe.
F
T
T
T
F()1.Thetemperatureinthe
Step4RetellingStep4RetellingThetemperatureoftheearth1
(rise)aboutonedegreeduringthe20thcentury.Howhasthiscome
2
?Allscientistssubscribe3
theviewthatitishumanactivity4
hascausedthe5
(globe)warmingrather6
arandombutnaturalphenomenon.Somescientiststhinkweaddlarge7
(quantity)ofcarbondioxidetotheair.Somescientistsbelievetheburningofmoreandmorefossilfuels8
(have)resultedintheincreaseofcarbondioxide.Greenhousegasescontinuetobuild9
.ItmaybeacatastrophebutGeorge10
(st
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