初中英语口语演讲稿 环境保护 一分半

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初中英语口语演讲稿 环境保护 一分半
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2011-4-19 提问

Please Protect Our Home-Earth It is known to us all that our planet is facing very serious environmental issues,such as global warming,ozone layer destruction,acid rain,shortage of resources and so fo...再长一点