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最佳答案：减少污染咯 减少能源消耗 减少噪声
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最佳答案：Nowadays,riding a bike to school has been a choice of transportation for student
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最佳答案：Riding a bicycle is really good for your health 或Riding a bicycle will do specia
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最佳答案：1.Ride a bicycle is good for your health,you can breath clear air.2.Ride a bicyc
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最佳答案：How I Learned to Ride a Bike 好久都没有写了~~ I will continue to challenge in life．
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最佳答案：动能越大转化的势能就越大啊上的高度的大
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最佳答案：I often go to school by bike.Bicycle is not exhaust, no noise, no waste of resou
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最佳答案：I often go to school by bike because I think it is one of the best ways of helpi
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最佳答案：1.Riding a bike is very environmentally friendly,and beneficial to our body.2.Ov
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最佳答案：Bicycle riding has many advantages.It is the least expensive way of traveling ap