共用题干 Traffic in Our CitiesThe volume of traffic in many cities in the world today continues to expand.This causes many problems, including serious air pollution,lengthy delays,and the greater risk___________(51)accidents.Clearly, something must be done,but it is often difficult to persuade people to___________(52)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 bringing in tougher fines for anyone who__________(55)the law. In addition,drivers could be_(56)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__________(62)for the final stage of their journey.Of course,the most important___________(63)is to provide good public transport. However,to get people to give___________(64)the comfort of their cars,public transport must be felt to be reliable,con- venient and comfortable,with fares___________(65)at an acceptable level. _________(51)
A.of B.for C.about D.by正确答案A