高二英语选修6第四单元reading1

Unit4GlobalWarmingWarmingUpandReading1.Haveyoueverseenagreenhouse?ismadeofglassusedforgrowingplants,especiallyduringcoldweather.2.Howdoesthegreenhousework?Theairinsidewaswarmbecausetheglasstraps(挡住,吸收)theheatfromthesunandkeepsitfromescaping(逃跑).Thismakesthegreenhouseheatup(热量上升)andsotheplantscangrowthroughout(在…期间)thecoldperiod.4.GreenhouseEffectGlobalwarmingGreenhousegasestrappedtheheatfromthesun,whichcausesthetemperatureofearthgoesup.Methane['mi:θein]WhatareGreenhousegases?Therearegasescalled“greenhousegases”,including…CarbondioxideWatervaporcarbondioxideFossilFuel(矿物燃料)coaloilgasglobalwarming●●●●●●produce二氧化碳4.Whatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.THEEARTHISBECOMINGWARMERBUTDOESITMATTER?ReadingNewWordsandexpressionstemperature温度onedegreeFahrenheit华氏一度explore探索humanactivities人类活动phenomenon现象subscribeto同意，赞成fossilfuels矿物燃料byproduct副产品“greenhouse”gases温室气体atmosphere大气methane甲烷，沼气degreeCelsius摄氏度quantitiesof大量的accuratemeasurements精确的测量data资料，数据catastrophe大灾难beopposedto反对environmentalconsequences环境影响agreatrangeof大量的evenif即使keepon继续1)Howmanyparagraphsdoesthereading2)Makeadivisionofthetext.Readthepassagequickly(3’)textconsistof?Pleasenumberthem.Fast-ReadingParagraph1Paragraphs2&5Paragraph6Part1Part2Part4MainideaofthetextPart3Paragraph7Howglobalwarmingcomesabout?(全球变暖是怎样产生的)Twodifferentopinionsaboutglobalwarming.Theearthisbecomingwarmer.Shouldwedoanything?’tmatter.★★★★★A.NewspaperB.NovelC.Magazine★★Whowrotethearticle?Whatisthenameofthemagazine?Skimthefirstparagraph:SophieArmstrongEarthCare(严重的).thinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences.1.causethesealeveltorise2.severestorms3.floods4.droughts5.famines6.thespreadofdiseases7.disappearanceofspeciesPositiveeffectsNegativeeffects1.makeplantsgrowquicker2.cropswillproducemore3.agreaterrangeofanimals4.makelifebetterTrueorfalse?1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.TTF4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.TTFSeverestormsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesA:Weshalldosomethingaboutglobalwarming.B:Weshalldonothingaboutglobalwarming.DebateWhatweshoulddotoprotectourearth?Discussion:1.Reducetheburningoffossilfuels2.Planttrees3.Usebagsthatcanberecycled…Homework1.Readthepassageagainandreviewthenewwordsandexpressions.2.Writeapassageaboutglobalwarming.