Unit9WheelsNowadaysmoreandmorefamiliesownprivatecars.Privatecars,astheproductofmoderncivilization,havebeenplayingavitalroleinpeople'sdailyactivities.First,privatecarsareaconvenientmeansoftransport.Youcandrivewhereveryoulike.Second,thereisnodoubtthatprivatecarswillhaveagreatimpactontheeconomicgrowth.Therapiddevelopmentofcarindustrywillcontributemuchtokeepingthecountry'seconomygrowingatahigherrateinthenearfuture.Buteverycoinhastwosides.Therapiddevelopmentofprivatecarswillbringaboutaseriesofproblems.Forexample,thewasteairgivenoffbycarswilldogreatharmtoourhealth,toomanyprivatecarswillleadtotrafficjamsandagreatdealofenergywillbewasted.SoIthinkweshouldtakeadvantageofprivatecarsandmakethemserveusbetter.MeantimeIhopethatsatisfactorysolutionstothesenegativeproblemswillbefoundsoon.Section_ⅠWarmup__&_Lesson_1_—_PrereadingReturnofthewhitebikes!Peoplehavebeenenjoying①thebenefits②ofcyclinginAmsterdam③foryears.Itisagoodcityforcyclingbecauseitisflat④andtherefore⑤isconvenient⑥forbikes.Therearealsoplentyofplacesforbicycleparking⑦andmoststreetsinthecitycentrehaveabicyclepath.TodaysomepeoplecallAmsterdamthe“CityofBicycles”becauseoftheconvenience⑧forbicyclesthere.Inthe1960s,agroupofcyclingfanshadanidea.Theybelievedthatitwouldbebetterforeverybodyifcarsweren'tallowed⑨inthecitycentreandonlybicycleswere.Theywerehopeful⑩thatthiswouldhelptosaveenergy,reducepollutionandprovide⑪freepublictransport.Thegrouppainted⑫hundredsof⑬bicycleswhiteandplaced⑭theminlotsofneighbourhoods⑮aroundAmsterdamforpeopletouse.Anyonewasallowedtotakethemandusethemforshortjourneys.Wherever⑯someonefinishedajourneytheywouldleavethebikethereforsomeoneelse⑰touse.Theproblemwasthatitdidn'twork⑱—thieves⑲tookallthebicycleswithinweeks！①havebeenenjoying是现在完成进行时。表示动作始于过去，持续到现在(刚刚停止)或将来(继续进行下去)。②benefit/'benIfIt/vi.&n．得益；好处benefitfrom从……中获益③Amsterdam/æmst'dæm/ˌə阿姆斯特丹④flat/flæt/adj.平的⑤therefore/'ðef/əɔːadv.所以，因此⑥convenient/kn'vinint/əːəadj.方便的，便利的(convenient不能以人作主语)beconvenientforsb.对某人来说是方便的⑦parking/'pɑkI/ːŋn．停车场Noparking！禁止泊车！⑧convenience/kn'vinins/əːən．方便，便利⑨allowvt.允许，准许allowsb.todosth.允许某人做某事allowdoingsth.允许做某事⑩hopeful/'hpfl/əʊəadj.(人)抱有希望的behopefulthat...希望……⑪providev．提供，供应⑫paint...(colour)漆上或染上某种颜色⑬hundredsof成百上千的⑭placevt.放置⑮neighbourhood/'neIbhd/əʊn．街坊；邻近地区⑯wherever/wer'ev/əconj.无论在何处，无论到哪里，此处引导让步状语从句，相当于nomatterwhere。⑰someoneelse别人else与someone,anyone,everyone等连用时，所有格加在else上。⑱workvi.起作用，生效⑲thief/θif/ːn．贼，小偷白自行车回来了！[第1～2段译文]多年来，人们一直享受着在阿姆斯特丹骑自行车的益处。这是一个适合骑自行车的好城市，道路平坦，因此方便骑自行车。还有许多自行车停放场地，城市中心的大多数街道都设有自行车车道。今天，有些人把阿姆斯特丹称作“自行车城”，因为那里为自行车提供了方便。在20世纪60年代，一群自行车迷提出了一个想法。他们认为如果不让汽车驶入市中心，只让自行车进入，那会对每个人都更有好处。他们希望这样能够帮助节约能源，减少污染，并且(给大家)提供免费的公共交通工具。他们把数百辆自行车漆成白色，并把它们放在阿姆斯特丹众多街区供人们使用。任何人都可以取用这些自行车做短途旅行。无论在哪儿结束旅程，人们都可以将自行车留在那里供其他人使用。问题是这种做法行不通——几周...
