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Unit4

GlobalWarmingWhatdoyouseeinthevideo?Thetemperatureoftheearthisgettinghigher.Manycatastropheshavebeencaused.Different

voicesarebeingheardaboutglobalwarming.Whatdoyouthinkhascausedglobalwarming?TowarmupTheearthisbecomingwarmer–butdoesitmatter?ReadtodiscoverDoesitbelongtothemainbodyofthearticle?No.Whatisthefunctionofthisparagraph?Tointroducethefollowingarticle.SophieArmstrongEarthCare1.Howhasglobalwarmingcomeabout?2.Doesitmatter?ReadtodiscoverPara.1-__

Howhasglobalwarmingcomeabout?Para.__-__

Doesitmatter?Isthereonewordorsentencethatgivesyoutheclearestideatodivideitintotwoparts?“However,theattitudesofscientiststowardsthisrisearecompletelydifferent.”456ReadtodiscoverPara.1-4How?Isglobalwarminganaturalphenomena?Whatprocesscausesglobalwarming?Isitalwaysabadthing?HavescientistsaccuratelymeasuredthefutureglobaltemperatureriseaccordingtothemeasurementsofCO2?ReadtoknowPara.1-4How?Isglobalwarminganaturalphenomena?No,itiscausedbyhumanactivities.ReadtoknowPara.1-4How?Whatprocesscausesglobalwarming?Isitalwaysabadthing?Greenhouseeffect.No.Ithaskepttheearthfrombeingtoocold.Buttheproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.ReadtoknowGreenhouseEffectHumanbeingsburnfossilfuelstoproduceenergy,whichproducesgreenhousegases,includingcarbondioxide.Thegreenhousegasestrap

heat

from

the

sunandthuswarmtheearth.ReadtoknowPara.1-4How?HavescientistsaccuratelymeasuredthefutureglobaltemperatureriseaccordingtothemeasurementsofCO2?Notyet.Theyonlyknowthatoverthenext100yearstheamountofwarmingcouldbeaslowas1to1.5degreesCelsiusorashighas5degrees.ReadtoknowPara.5-6Matter?Howdoscientiststhinkaboutglobalwarming?Findouttherepresentatives,differentopinions,andsomekeywordsasevidence.Whatistheauthor’sattitude?Howdoyouknow?ReadtoknowHowdoscientiststhinkaboutglobalwarming?Para.5-6Matter?GeorgeHambleyAnywarmingwillbemild.quicker-growingplants,morecrops,greaterrangeofanimals,betterlifeforhumanJaniceFosterItwouldleadtoacatastrophe.sealevelrise,storms,floods,droughts,famines,diseases,thedisappearanceofspeciesReadtoknowPara.5-6Matter?Whatistheauthor’sattitude?Howdoyouknow?Neutral.“Doesthatmeanweshoulddonothing?Or,aretheriskstoogreat?”Theauthorendsthearticlewithopenquestionstoraisereaders’thinkingaboutglobalwarming.ReadtoknowDebateWeshoulddonothingaboutglobalwarming.PracticetouseTheearthisbecomingwarmer–butdoesitmatter?TosumupWeshoulddowhateverwecantoprotectourhome.HomeworkWri

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