Traffic in Our Cities The volume of traffic in many cities in the world today continues to expand. This causes many problems

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问题                          Traffic in Our Cities
    The 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【C1】______accidents. Clearly, something must be done, but it is often difficult to【C2】______people to change their habits and leave their cars at home.
    One possible【C3】______is to make it more expensive for people to use their cars by【C4】______charges for parking and【C5】______tougher fines for anyone who【C6】______the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system,【C7】______as "road pricing", is already being introduced in a【C8】______of cities, using a special electronic card【C9】______to the windscreen of the car.
    Another way of【C10】______with the problem is to provide cheap parking on the【C11】______ 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【C12】______stage of their journey.
    Of course, the most important【C13】______is to provide good public transport. However, to get people to【C14】______the comfort of their cars, public transport must be felt to be reliable, convenient and comfortable, with fares【C15】______at an acceptable level.
【C8】

选项 A、quantity
B、number
C、total
D、sum

答案B

解析 本题考查名字辨析。空所在的句子意思为:“道路收费”的系统已经被一些城市所使用,a number of“一些”符合题意,所以B项number为正确答案。其他三项填在空里分别为a quantityof“大量”;a total of“总共,总计”;a sum of“……的总数”;均不符合句意。
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