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  3. Cars in the Future As big cars cause many problems, such as pollution, shortage of parking space, crowded traffic, / scient

Cars in the Future As big cars cause many problems, such as pollution, shortage of parking space, crowded traffic, / scient

admin2012-07-22  93
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答案 Cars in the Future As big cars cause many problems, such as pollution, shortage of parking space, crowded traffic, / scientists are now trying to design some small cars / that may some day replace today’s big automobiles. /If more people.begin to drive such cars in the future, / there will be less air pollution. / There will also be more space for parking cars in cities, / and the streets will be less crowded, / Three such cars can fit in the space / that is now needed for one car of the usual size. / The little cars will cost much less to own and to drive. / Driving will be safer as these cars can go only 60 kilometers per hour. / The cars of the future will be fine for driving around the city. / However, they will not be suitable for long trips, / because these cars by petrol can only go 450 kilometers / before needing to stop for refilling.
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