高中英语公开课Unit4GlobalwarmingBook6Reading课件新人教版选修

Unit4energysourcessolarenergyoilcoalbiomassenergynuclear

energyhydro-electricpowerwindpower……naturalgaswave/tidal

energyRevision①Whatarethey?

②Whatarethesebuildingsmadeof?③What’stheuse?greenhouse/glassAgreenhouseisusedfor_____________,especiallyduring____weather.Pre-readingTurntoPre-reading1,Page25.Read&answer.growingplantscold_____theheatfromthesunkeepsitfrom_____________theairupHowdoesagreenhousework?trap…from…:keepsthinaplace存住来自…的…trapsescapingheatsIntheatmospheresurroundingtheearththerearegases,whicharecalled“greenhousegases”.methanewatervaporcarbondioxideGreenhousegases?carbondioxideFossilFuel(矿物燃料)coaloilgasglobalwarming●●●●●●?produceWhatdoyouthinkgreenhousegasesdo?Greenhousegases_____theheatofthesunandtherefore______theearth.Itisknownas__________________.Nowadaysourearthisbecoming_____________________.greenhouseeffecttrapwarmwarmerandwarmerTheearthisbecomingwarmer-ReadingPage26FastReadingWhowrotethemagazinearticle?Thenameofthemagazine?Whatarethenamesofthethreescientistsmentionedinthearticle?Whatismainlydiscussedinthepassage?Skimming★★1.

Whowrotethemagazinearticle?Thenameofthemagazine?

2.Whatarethenamesofthethreescientistsmentionedinthearticle?SophieArmstrong.EarthCare.DrJaniceFoster,CharlesKeeling,GeorgeHambley.Readingtips:

InEnglish,somenounsbeginwithacapitalletter(大写字母),suchasnamesofpeopleandplaces,titles(标题)ofmagazines,newspapers,storiesandbooks,people’stitles(头衔),etc..3.Whatismainlydiscussedinthepassage?

A.Whathascausedtheglobalwarmingandwhetheritmatters.

B.Whateffectsoftheglobalwarmingwillbe.

C.Howserioustheglobalwarmingcouldbe.

D.Whattheglobalwarmingis.SkimmingReadingtips—skimthetitleandPara1:

Title:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Para1:…howhasthiscomeaboutanddoesitmatter?★★★difficultphrasesandsentences1.Thereisnodoubtthat

theearthisbecomingwarmer(seeGraph1)andthat

itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.Para22.Allscientistssubscribetotheviewthattheincreaseintheearth’stemperatureisduetotheburningoffossilfuels…Para33.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.

Line1,Para51.WhatdoDr.JaniceFosterandthescientistGeorgeHambley

thinkabouttheresultsofglobalwarming?2.Dotheyagreewithoneanother?ReadPara6carefullyandfindtheneededinformation.DetailedReadingDr.JaniceFosterthinkstheeffectsof

globalwarmingcouldbeveryserious.GeorgeHambley

thinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.

Theydon'tagreewitheachother.Para6Doesglobalwarmingmatter?Positiveeffects

Negativeeffects

causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectscausethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebetterIdea-sharingWhatwillglobalwarmingbringtousinyouropinion?

Ithink…

Inmyopinion…

Itwillcause/make…Assignment

Writeashort