2. 建筑工程
  3. Directions： 　　Study the following graph

Directions： 　　Study the following graph

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问题 Directions：　　Study the following graphs carefully and write an essay in 160-200 words. Your essay should cover these three points:　　（1）effect of the country’s growing human population on its wildlife　　（2）possible reason for the effect　　（3）your suggestion for wildlife protection Your essay must be written neatly on the ANSWER SHEET.
选项
答案
解析The above graphs show the relation between population growth and wildlife extinction rate in the U.S. The population of America has been increasing all the time since 1800. The other graph reveals that the number of wildlife species remained almost stable from 1600 to 1700. But it is saddening to see that wildlife extinction rate increases very fast from the year of 1700. We can get a rough conclusion: the increasing population endangers the existence of wildlife.　　Several reasons may contribute to this grievous phenomenon. To begin with, millions of wild animals are hunted for food or other purposes. One notorious example is Japan’s whaling fleet. Whales are hunted for whale-bone as well as for blubber, thus its population decreasing each year. Another reason comes from the pollutions human make. The ecosystem has been disturbed and some animals are losing their habitats.　　To stop the situation from becoming worse, we must take action at once. Related laws and regulations should be passed to protect the environment and wildlife. When people’s consciousness of protecting wildlife is raised, the safety of the wildlife will be guaranteed.
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