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Forests for Cities【城市的交通】 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 ___1____accidents. Clearly, something must be done, but it is often difficult to ____2___people to change their habits and leave their cars at home. One possible ____3____ is to make it more expensive for people to use their cars by ___4____charges for parking and _put___5____tougher fines for anyone who ____6____the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, ____7___as road pricing, is already being introduced in a ____8____of cities, using a special electronic card ____9____ to the windscreen of the car. Another way of ____10___with the problem is to provide cheap parking on the ____11____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 ____12____ stage of their journey. Of course, the most important _ ___13_____ is to provide good public transport. However, to get people to ___14_____ the comfort of their cars, public transport must be felt to be reliable, convenient and comfortable, with fares ____15____at an acceptable level. 1. A) of B) for C) about D) by | 
