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最佳答案：太阳能汽车的优点是安全和清洁,普通汽车会污染环境翻译：The advantages of solar energy is safe and clean,ordi
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最佳答案：Air pollution is worse and worse because of the increasing number of cars.
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最佳答案：As more and more cars, causing traffic congestion also pollutes the air
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最佳答案：Modern social science and technology more and more developed, for example: the c
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最佳答案：1.There should be more bicycle lanes for us.2.There is too much air pollution ge
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最佳答案：Your career _____1. Have you ever concerned the problem of pollution caused by A
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最佳答案：城市污染严重是由于过多的汽车排放造成的,绿化能减少空气污染.The severe pollution of the city is caused by too
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最佳答案：Three-way catalyst (TWC) is the control of vehicle exhaust pollution one of the
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最佳答案：Three-way catalyst( TWC)s control one of the most valid meanses in the automobil