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最佳答案：我不会 要是数学我就会 我给你个网你自己查吧！ 谷歌！
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最佳答案：But they are being dying
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最佳答案：Saving Land for Endangered AnimalsThere is only so much land on the earth,and so
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最佳答案：saving dying wild animal
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最佳答案：Saving Land for Endangered AnimalsThere is only so much land on the earth,and so
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最佳答案：More and more animals in China have been classified as endangered species becaus
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最佳答案：白犀牛 White rhinoceros苏门答腊虎 Sumatrae白鳍豚 Ma Songde introduced
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最佳答案：endangered animal
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最佳答案：In 1968,people discovered that (the great) pandas were near/facing extinction.**
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最佳答案：This days because of Humans' activities pollutions and other disturbance were ma