阅读理解

　　Traveling to work by car gets more expensive today．People can do nothing about the world's price of petrol(汽油)．They have to work hard so that they can pay for petrol．However, some people are trying to stop driving to work．．

　　People have found out that it is good to ride a bike to work．More and more people return to bikes．

　　Children often go to school by bike．But now businessmen are going to work by bike too．“The bike is easy to use,” says Molly, “and it is also very cheap．You can buy 300 bikes at the price of a small car．A bike doesn't use expensive petrol．A 10-year-old child can learn to use a bike．And most bikes can be used for a long time．”

　　Mr．Brown goes to his hospital by bike every day．He says, “A bike doesn't need a lot of money, and bike-riding is good for our health．Today most people get fat because they don't get enough exercise．So I tell people to buy bikes．What's more, in big cities it's usually quicker to travel by bike than by bus or by car．Drivers can't do anything but get angry when there is a traffic jam(交通堵塞)．”

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