共用题干 The volume of traffic in many cities in the world today continues to expand.This causes many problems, including serious air pollution, lengthy(漫长的)delays, and the greater risk__________ (51)accidents.Clearly,something must be done,but it is often difficult to_________(52)people to change their habits and leave their cars at home.One possible__________(53)is to make it more expensive for people to use their cars by __________(54)charges for parking and__________(55)tougher fines for anyone who_________(56) the law. In addition,drivers could be required to pay for using particular routes at different times of the day.This system,_________(57)as"road pricing",is already being introduced in a_________ (58)of cities,using a special electronic card_________(59)to the windscreen of the car.Another way of__________(60)with the problem is to provide cheap parking on the________(61)of the city,and strictly control the number of vehicles allowed into the centre.Drivers and their passengers then use a special bus service for the_________(62)stage of their journey.Of course,the most important_________(63)is to provide good public transport. However,to get people to_________(64)the comfort of their cars,public transport must be felt to be reliable (可靠的),convenient and comfortable , with fares _________( 65 ) at an acceptable level. _________(51)
A.of B.for C.about D.by正确答案A