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1、Unit2Workingtheland**阅读理解Recentmonthshaveseenarevivalofthehumble(普通的)bikeacrossChina,withanincreasingnumberofpeoplechoosingpedaling(骑车)insteadofdrivingtoschool,toworkplacesortodosightseeing.Theintroductionofbike-sharingsystems,servicesinwhichbicyclesar
2、emadeavailableforsharedusetoindividualswhodonotownthemandpioneeredbystart-upslikeOfoandMobike,hasbroughtthetrendtoanewlevel.WashingtonD.C.hasoneofthebiggestbikesharingsystemsintheUSwith3,700bikesand440stations.TheUK,FranceandGermanyallhavegrowingprogra
3、ms.However,China,sofar,outdoes(超过)themallbyoperatingthreeoutoffouroftheworld’sshardbikes.Peoplecanunlocktheshardbikesbysimplyusingtheirsmartphone.ThebikesareequippedwithGPSandusersofChina’sversionscanleavebikesanywhereinpublicforthenextuser.They’repopu
4、laramongmanyChinesepeopleastheyprovideaneffectivesolutiontothe“lastmile”problem,whichreferstothefinallegofaperson’sjourney.However,theChineseprogramshavealsoledtoproblemssuchasillegalparking,vandalism(故意破坏)andtheft.Infact,theseproblemsarealsosharedbybi
5、ke-sharingprogramsabroad.Launchedin2007,Véilbisalarge-scalepublicbikesharingsysteminParis.Atitsearlystageofoperation,italsosufferedfromproblemsofvandalismortheft.ByOct2009,alargenumberofVélib’sinitialbikeshadtobereplacedduetovandalismortheft,accordingt
6、oTheNewYorkTimes.Todealwiththeseproblems,thecompanycameupwiththeideaofencouragingpeopletoreturnthebikestostationsbyrewardingfreetimefortheirnextrides.Now,Chineseserviceoperatorsarealsotryingtoaddresstheseproblems.Forexample,Mobikesetsa100-pointcreditsc
7、oreforeachuser,withpointstakeninthecaseofbadbehavior.Onceascoredropsbelow80,bikerentalisincreasedto100yuanper30minutes,upfrom0.5-1yuan.1.Whatcanwelearnaboutbikesharingsystems?A.Theyofferfreebikerides.B.Theyarerunningperfectly.C.Chinaoperatesthebiggests
8、ystem.D.Francewasthefirsttolaunchthesystem.2.Asameansoftransportation,bike-sharingcanbebestdescribedas_______.A.promisingbutexpensive.B.convenientandeco-friendly.C.eco-friendlybutineffective.D.troublesomeandmeaningless.3.Whatcanbeasuita
