高中英語-Global warming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