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1、单元测评(一) Unit1 Alandofdiversity(时间：90分钟 满分：110分)第一部分 阅读理解(共两节；满分30分)第一节 (共10小题；每小题2分，满分20分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。ACalifornia'scomplexanddynamictransportationsystemisinpartboththecauseandtheresultoftherestlessmobilityofCalifornians,whotendtomoveandtravelfrequently
2、.ThereisoneofthegreatestconcentrationsofmotorvehiclesintheworldandthemostextensivesystemofmultilanefreewaysinCalifornia.However,freewayconstructionhasdeclinedsincethe1970sbecauseofpublicopposition.LightrailtransitsystemswerelargelydiscontinuedinCaliforniacitiesafterWorldWarⅡ
3、.However,becauseofincreasingtrafficcongestion(拥塞),manyhavebeenreintroducedornewlyconstructed.TheBayAreaRapidTransit(BART)systeminandaroundSanFranciscowasconstructedintheearly1970sandexpandedinthefollowingdecadesinresponsetogrowthinremoteareas.ASanDiegotrolley(无轨电车)system,fir
4、stbuiltinthelate1970sasalinktotheMexicanborder,wasextendedinthelate1980s.WorkonasubwaysysteminLosAngelesbeganintheearly1980s.By2003anetworkoflightraillinesranthroughthecity.NowthereareraillinksbetweendowntownLosAngelesandmanyremoteareas,includingmajortouristsites,airportsand
5、beaches.Withanevergrowingpopulation,moreattentionwaspaidtothedevelopmentofmasstransitsystems,suchasthelightrailandthesubway,inCaliforniaintheearly21stcentury.ThetransportofgoodsinCaliforniaiscarriedoutmainlybytrucks,butthecanalsandwaterwaysarealsousedtotransportgoods.Shippin
6、gacrossthePacificbasiniscenteredattheLongBeach,LosAngelesports,whosecargo(货运量)isseveraltimesgreaterthanthathandledbytheOakland,SanFrancisco,andRichmondportsinnorthernCalifornia.LongBeachisoneoftheworld'smostimportantcargoports.AirtransportinCaliforniahasincreasedgreatly.Thea
7、irlinesconnectingSanFrancisco,LosAngeles,andSanDiegocreategreatertrafficthanthoselinkingWashington,D．C.,NewYorkCity,andBostonontheEastCoast.Airtrafficcongestionhasbecomecritical,butnotsoseriousasthatofthegroundtrafficnearmajorCaliforniaairports.语篇解读 加利福尼亚州拥有繁忙的交通运输网路，它的公路交通、
8、轻轨、地铁及空中交通都非常发达。1．Whichofthefollowingwouldbethebesttitleforthetext?A.TheHis
