填空题

Some people think they have an (36) to the problems of automobile crowding and pollution in large cities. Their answer is the bicycle, or "bike". In a great many cities, hundreds of people (37) bicycles to work every day. In New York City, some bike riders have even (38) a group called Bike for a Better City. They claim that if more people rode bicycles to work there would be (39) automobiles in the downtown section of the city and therefore less dirty air from car (40) . For several years this group has been (41) to get the city government to help bicycle riders. For example, they want the city to paint special lanes for bicycle on some of the main streets, because when bicycle (42) must use the same lanes as cars, there may be (43) .Bike for a Better City feels that if there were special lanes, more people would use bikes. (44) Not everyone thinks they are a good idea. Taxi drivers don’t like the idea—they say it will slow traffic. Some store owners on the main streets don’t like the idea—they say (45) .And most people live too far from downtown to travel by bike. The city government has not yet decided what to do. It wants to keep everyone happy. On weekends, Central Park—he largest open space in New York—is closed to ears, and the roads may be used by bicycles only. But (46) Until that happens, the safest place to bicycle may be in the park.