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Make Rules to Fight Pollution

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<正>Hundreds of years ago,life was much harder than it is today.People didn't have modern machines.There was no modern medicine,either. Life today has brought new problems.One of the biggest is pollution.Water pollution has made(本文共计2页)       [继续阅读本文]

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主办:河南大学外语学院
出版:中学英语园地(八年级版)杂志编辑部
出版周期:月刊
出版地:河南省开封市

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