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动物自古以来就是人类的朋友。它们可爱.引人喜欢;它们有情,在主人危险的时候给人以帮助;它们还很有趣,时常逗孩子们开心。但是近些年,动物们的遭遇却让人同情。据有关部门调查取证.从1850年至1950年一百年间.鸟兽的平均灭绝速度为每年一种,截止1950年已有100多种动物灭绝了,1996年以来.又有120种兽类和250种鸟类不复存在了。目
Animals have been human friends since ancient times. They are lovely, attractive, they are affectionate, give help when the owner is in danger, they are fun, and often make children happy. But in recent years, animals have been sympathetic. According to the relevant departments to investigate and collect evidence from 1850 to 1950, the average rate of extinction of beasts and animals is one each year, as of 1950, more than 100 kinds of animals have been extinct since 1996. There are 120 kinds of beasts And 250 species of birds no longer exist. Head