单项选择题
【案例分析题】
Traffic in Uur Cities Tile volume of traffic in many cities in the world today continuesto expand．This causes many problems，including serious air pollution，lengthydelays，and the greater risk__________（51）accidents．Clearly，something must be done，but it is often difficult to persuade people to__________（52）theirhabits and leave their cars at home．One possible__________（53）is to make it more expensive for peopleto use their cars by__________（54）charges for parking and__________（55）tougherfines for anyone who__________（56）the law．In addition，drivers could be required to pay for using particular routes atdifferent times of the day．This system，__________（57）as“road pricin9”，is alreadybeing introduced in a__________（58）of cities，using aspecial electronic card__________（59）to the windscreen of the car．Another way of__________（60）with the problem is to provide cheapparking on the__________（61）of the city，and strictly control the number ofvehicles allowed into the centre．Drivers and their passengersthen use a special bus__________（62）for the final stage of their journey，Ofcourse．the most important__________（63）is to providegood public transport．However，toget people to__________（64）the comfort of their cars，publictransport must be felt to be reliable，convenient andcomfortable，with fares__________（65）at an acceptablelevel．
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