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人口增長對野生動物的影響
關于人口的英語作文

        From these graphs, we can draw a conclusion that, with the growth of human population, the number of species has decreased rapidly in America, and some species have even vanished from our planet.   Why does this phenomenon appear? There are several possible reasons for this. Above all, as the human population grows rapidly, a growing number of people came to live where some wild specie    (共 1309 字)     [閱讀本文] >>

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