动物是我们人类的朋友，对人类来说非常重要。但是现在动物越来越少，野生动物更是越来越少，很多野生动物都处于濒危状态。请以“
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Many wild animals are facing the danger of extinction, because the environment that they are living in has changed greatly. For example，with the developmet of cities, the using of insecticide and serious pollution, their living areas have become narrower and narrower. Many of the wild animals, now are confronted with food crisis. At the same time, man is killing off animals just for getting their fur, skin, horns, teeth and meat. In order to protect our resources of ecology，people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore, measures of the following should be taken pollution standards are made to keep down poisons；killing off certain rare species is prohibited，national parks should be set up as wild life reserves. Only if we human beings take some drastic measures can wild animals be preserved.

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