高考英语一轮复习 Unit 4 Global warming练习 新人教版选修6VIP免费

【春走向高考】高三英语一轮复习Unit4Globalwarming练习新人教版选修6Ⅰ.阅读理解(·皖南八校第二次联考)Wesometimesthinkglobalwarmingorclimatechangeisaproblemveryfarawayfromourlives,andthatonlythegovernmentneedstoworryaboutit.Butit'shardlypossibletocompletelystayoutofit—scientistsarenow95percentsurethathumanshavebeenthe“dominantcause”ofglobalwarmingtrendssincethe1950s.OneoftheconclusionsofareportreleasedonSept27bytheUnitedNationssaysthathumanactivitieshavecausedglobaltemperaturestoriseby0.89℃between1901and.Thatmightnotseemlikealot,butthetruthisthatamajorpartofthatheathasbeenabsorbedintotheoceans,whichisnotsurprisinggiventhattheycovertwothirdsofEarth'ssurface.Also,waterhasamuchgreatercapacity(容量)toabsorbheatthantheairdoes,accordingtoTheEconomist.WhilemanygreenhousegasesoccurnaturallyandareneededtokeeptheEarthwarmenoughtosupportlife,humans'useoffossilfuelsisthemainsourceofexcess(多余的)greenhousegases.AccordingtoCNN,bydrivingcars,usingelectricityproducedbyburningcoalandoilorheatingourhomeswithcoalornaturalgas,wereleasealargeamountofgreenhousegasesintotheatmosphere.Yourbodycanbarelyfeeladifferenceof0.89℃，buttheEarth'secosystemsaresosensitivethatevensmallchangescandisturbthem.Itoftenstartswiththesmallestcreaturesatthebottomofthefoodchain,eventuallyaffectingbiggeranimals,manyofwhichcouldendupbecomingextinct.Globalwarmingisalsolinkedtoanincreaseinextremeweather.Alargeramountofcarbondioxidetrapsmoreenergyinsidetheatmosphere.Thischangesthepatternsofstormsandrainfallinmanyregionsandcanleadtodroughtsandfloods.Worsestill,meltingseaiceinwarmeroceansiscausingsealevelstoriseataspeedofmorethanthreemillimetersperyear,accordingtoTheGuardian,whichalsoincreasestheriskofflooding.“Thereportshouldserveasanotherwakeupcallthatouractivitiestodayhaveaprofoundimpactonsociety,notonlyforus,butformanygenerationstocome，”FrenchMichelJarraud,secretarygeneraloftheWorldMeteorologicalOrganization,saidatanewsconference.文章大意：全球变暖不是只有政府才关心的事，它与我们每个人都息息相关。1．Theunderlinedword“dominant”inthefirstparagraphmeans“________”．A．commonB．indirectC．secondaryD．leading答案：D猜测词义题。画线词所在句意：现在科学家可以95%确定人类是20世纪50年代以来全球变暖的主要原因。所以画线词意为“主要的”。2．WhichofthefollowingstatementsisTRUEaccordingtothepassage?A．GreenhousegaseshavebeenproventoharmmerelytheEarth.B．Thereislittlewecandotopreventglobalwarming.C．Globalwarmingcanincreasethechancesofdroughtsandfloods.D．Thehugenessofoceansmakesthembetterabsorbersofheatthantheair.答案：C细节理解题。由第五段第三句话“Thischangesthepatternsofstormsandrainfallinmanyregionsandcanleadtodroughtsandfloods.”可知，C项正确。3．Theriseinglobaltemperaturesbetween1901and______.A．ismoreharmfultosmallercreaturesthanbiggeronesB．isnotseriousbecausemostoftheextraheathasbeenabsorbedbytheoceansC．hasmadetheEarth'secosystemsmoresensitivetochangesD．islikelytocausemanyspeciestobecomeextinct答案：D细节理解题。由第四段最后一句话“Itoftenstartswiththesmallestcreaturesatthebottomofthefoodchain,eventuallyaffectingbiggeranimals,manyofwhichcouldendupbecomingextinct.”可知，D项正确。4．WhatisMichelJarraud'sattitudetowardthereportreleasedbytheUN?A．Negative.B．Supportive.C．Doubtful.D．Uninterested.答案：B推理判断题。由最后一段他所说的话“Thereportshouldserveasanotherwakeupcallthatouractivitiestodayhaveaprofoundimpact...