Anh văn:31
Bài từ Thư viện Đề thi VLOS.
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Wild animal (and wild plants) and wild places where they live are seriously threatened everywhere .One species has become extinct in each year of this century. But many hundreds are now in danger .lack of attention would lead to the rapid advanced of process of extinction.
Already many kinds of wild animals have been so reduced in number that their role in ecosystem is forgotten. Animals like the great apes, the whales, seals, etc...are thought to be in danger of extinctions.
But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s need of timber and paper.
What would our world be like if all the wild animals and plants vanished? Would our life still exist then?
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