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最佳答案：With the improvement of our living standard, more and more people can afford a c
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最佳答案：With the improvement of our living standard, more and more people can afford a c
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最佳答案：As you know,theres no enough clean water for people. So many of them lose their
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最佳答案：Recently the problem of protecting the environment has been brought into focus.
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最佳答案：Today,there are many problems in our life,the biggest of which is pollution.Ever
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最佳答案：Environmental problems are becoming more and more serious all over the world.Wit
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最佳答案：首先声明,因为你急用 所以帮你找的,不知道合不合适骑车的好处,大致以下几点：一：锻炼身体.每天骑车半小时,锻炼的是全身的肌肉,整体运动.应该还能减肥,在若干月内
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最佳答案：Once man did not have to think about the protection of his environment.There wer
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最佳答案：多坐公交车步行用餐不浪费购物较多,自备购物袋不食保护动物
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最佳答案：Although the world develops much faster and better,the resources onthe earth get