Many of the world’s pollution problems have been 1 by the crowding of large groups of people into cities. Supply for the 2 of the people leads to 3 pollution by industry. If the 4 increase in human p...
many of the world's pollution problems have been caused by t
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相关问题
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第一题Many of the world’s pollution problems have been caused b
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Many animals are ()because of the pollution caused by human
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The air pollution in this area caused the _____ of many tree
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describe some of the problems caused by overcrowding
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英语翻译Air pollution caused by industrial fumes has been studie
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To many cars have caused a lot of serious problems in our li
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翻译This is caused by the increasing problem of light pollutio
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The effects of air pollution on natural conditions have been
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It’s said that ______of the water around the world___ pollut
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There are many places in the world ________ have been visite