英语演讲稿拯救地球.docx
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1、英语演讲稿拯救地球save the earthwith the economic development, our lives becomecosier. we can enjoy our comfortable lives. but do youknow how things we use are produced?people produce ? anddo you know where the material is from? it is from ourmother, the earth. for example, we get fossil oil andcoal from und
2、erground., they are the wealth that earth gives us. but at the same time human destroy the world, destroy our hometown.what do we cause? global warming,ozone depletion, acid deposition and so on. because of these, th eearth becomes weaker and weaker.the most serious problem is global warming. it mea
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- 英语演讲 拯救 地球
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