人教版高中英語Book6unit4Globalwarningreading教學(xué)課件(共27張)

人教版高中英語Book6unit4Globalwarningreading教學(xué)課件(共27張)第一頁，共28頁。WordsstudyGlobalwarmingUnit4第二頁，共28頁。Nuclearleakage第三頁，共28頁。Duetothegreenhouseeffect,theearthisbecomingwarmerandwarmerButdoesitmatter?第四頁，共28頁。SkimmingSkimthetitle:

THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Whatisthemaintopic?Theearth. B.Globalwarming.

C.Becomingwarmerdoesn’tmatter.

★★第五頁，共28頁。SkimmingWheredoesthisarticlemostprobablycomefrom?★★★NewspaperB.NovelC.Magazine第六頁，共28頁。Skimming★★Whowrotethearticle?Whatisthenameofthemagazine?Tip:

InEnglish,somenounsbeginwithacapitalletter(大寫字母),suchasnamesofpeopleandplaces,titlesofmagazines,newspapers,storiesandbooks,people’stitles(頭銜),etc..Skimthefirstparagraph:SophieArmstrongEarthCare第七頁，共28頁。SkimmingWhatarethenamesofthethreescientistsmentionedinthearticle?DrJaniceFoster,CharlesKeeling,GeorgeHambley第八頁，共28頁。SkimmingTheorganizationofthearticle:IntroductionAtitleBodyConclusion第九頁，共28頁。SkimmingSkimthebodypart(7paras):Para.1Para.2-3IIIPara.4-6IIIPara.7IV★★★★IntroductionBodyConclusion第十頁，共28頁。ScanningMatchthemainideaofeachpart:Explainhowglobalwarmingcomesabout.Twodifferentattitudesamongscientiststowardstheconsequencesofglobalwarming.Introducetheproblemofglobalwarming.Giveawarningandraiseaquestionforthereaderstothinkover.I(1)II(2-3)III(4-6)IV(7)I(1)II(2-3)III(4-6)IV(7)★★★★第十一頁，共28頁。Carefulreading第十二頁，共28頁。

Greenhouseeffectisanaturalp.Greenhousegasesintheatmospherecanwarmtheearthbytrappingheatenergy.Buttheproblembeginswhenweaddhugeq

ofextracarbondioxidetotheatmospherebyburningfossilf

.Therefore,moreheatenergyist

intheatmosphere.Itistheincreasedamountofcarbondioxidethatisr

inglobalwarming.

FillintheblanksaboutthecausesofGreenhouseeffect.henomenon

uantitiesuels

rapped

esultingPartII(Para2-3)第十三頁，共28頁。Tip:

Youcanknowsomebody’sopinionthroughunderstandinghisorwhathesaid.WhatdoDr.JaniceFosterandthescientistGeorgeHambley

thinkabouttheconsequencesofglobalwarming?Dotheyagreewithoneanother?

quotations(引言)

PartIII(Para4-6)第十四頁，共28頁。Dr.JaniceFosterthinkstheeffectsof

globalwarmingcouldbeveryserious.GeorgeHambley

thinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.

Theydon'tagreewitheachother.

PartIII(Para4-6)第十五頁，共28頁。

Dr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea____________andcouldbe______________.Morecarbondioxideisa__________thing,whichmakescrops__________andwillencourage__________________animals.goupcatastropheveryseriouspositiveproduceagreaterrangeofThedifferentideasbetweenDr.JaniceFoster&GeorgeHambley第十六頁，共28頁。Idea-sharingWhatwillglobalwarmingbringtousinyouropinion?(Findoutsupportingevidence)第十七頁，共28頁。causethesealeveltoriseseverestormsdroughts/floodsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffects第十八頁，共28頁。causethesealeveltoriseseverestormsdroughts/floodsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowfastercropswillproducemoreagreaterrangeofanimalsmakelifebetter…第十九頁，共28頁。TrueorfalseReadthearticlecarefullyandfinishexercise2onpage27第二十頁，共28頁。1.What’sthefirstgraphabout?ItshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860and2000.FurtherComprehension2.What’sthesecondgraphabout?Itshowsthecarbondioxidecontentintheatmospherefrom1957to1997.第二十一頁，共28頁。3.Thepurposeofthefirstparagraphisto___.introducethewriterB.explainachangeC.introduce

thetopicD.raiseaquestion4.Thegraphsareusedto_____.illustratepointsbyprovidingevidencetellthechangeoftemperaturetellthecontentofcarbondioxideintheairinterestthereaders5.What’sthepurposeofthelastparagraphofthepassage?Itfunctionsasaconclusionbyaskingthereadertoreflectonthemajorthemeofthetextandtopredictwhatmighthappeninthefuture.第二十二頁，共28頁。Theearthisbecomingwarmerdoesitmatter?Ifitdoes,asastudent,whatshouldyoudoaboutit?Discussion:第二十三頁，共28頁。DebateABA:Weshalldosomethingaboutglobalwarming.B:Weshalldonothingaboutglobalwarming.Whatshouldwedo?第二十四頁，共28頁。Idea-sharingWeshoulddonothingaboutglobalwarming.GroupA3SsagreereasonsGroupB3SsdisagreereasonsDebate第二十五頁，共28頁。Whathaveyoulearnedfromthepassageaboutglobalwarming?Itissaidthattheclimateisgoingtokeeponwarmingfordecadesorce