世界上的许多污染问题都是由人太多引起的
第一题Many of the world’s pollution problems have been caused b
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相关问题
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many of the world's pollution problems have been caused by t
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The air pollution in this area caused the _____ of many tree
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Many animals are ()because of the pollution caused by human
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To many cars have caused a lot of serious problems in our li
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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
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SAT IS题The problem of water pollution,frequently compounded(
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1.A lot of steps have been taken to prevent the pollution___
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many of the great men of the world have got surprising memor