In many countries today,laws protect wildlife.In India the need for such protection was realized centuries ago.About 300 B.C. an Indian writer described forests (1)______________________.The killing of game beasts was carefully supervise.
Some animals were fully protected.Within the forest,nobody was allowed to cut timber,(2)________________________.
Animals that became dangerous to human visitors were trapped or killed outside the park.So that other animals would not become uneasy.The need for wildlife protection is greater now than everbefore.About a thousand species of animals are in danger of extinction and the rate at which they are being destroyed has increased.Within mammals,for instance,(3)______________________________.
From A.D. 1 to 1800,the rate was about one species every fifty years.Everywhere,men are trying to solve the problem of preserving wildlife while caring for the would's growing population.
that some what like national park today
burn wood for charcoal trap animal for their foster
the rate fo extinction is now about one species every year.
发表于 2015-4-14 09:30
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发表于 2015-4-16 11:36
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