人口问题的四级英语作文

人口问题的四级英语作文

　　在生活、工作和学习中，大家都写过作文，肯定对各类作文都很熟悉吧，借助作文人们可以反映客观事物、表达思想感情、传递知识信息。还是对作文一筹莫展吗？以下是小编为大家整理的人口问题的四级英语作文，供大家参考借鉴，希望可以帮助到有需要的朋友。

　　the ups and downs of population growth

　　As is seen from the two graphs, it is clear that with the rapid growth of U.S. population from 1800 to 1990, the number of its wildlife species no longer existing soared during the same period. Naturally, we can draw the conclusion that the sharp decline of wildlife species resulted from the population growth.

　　Two reasons may account for this phenomenon. To begin with, as the population grows, people consume much more natural resources, which often leads to excessive hunting. Second, with the increase of human activities, modern people take up more and more space. Which has a great impact on other species. Finally, the problem of pollution becomes more and more serious with the development of modern industry. More and more animals have to adapt themselves to the decaying environment or move to a totally different place, but not all of them are fortunate enough to survive the changes.

　　Solving this problem calls for, above all, the government’s efforts to control population growth, to decrease industrial pollution and to enhance the laws to forbid wildlife hunting. Moreover, common citizens should be aware of this ecological crisis and take on the responsibility of wildlife protection. In a word, only when the government and the common people make joint e f forts can we hope to find a satisfactory solution to this problem.