优秀英语作文

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优秀英语作文

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优秀英语作文

　　优秀英语作文：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.

　　优秀英语作文：The opulatton Explosion

　　this sudden increase in the population of the developing countries has come at a difficult time. even if their population had not grown so fast they would have been facing a desperate struggle to bring the standard of living of their people up to the point at which there was enough food, housing, education, medical care and employment for everyone to have a reasonable life.the poor countries are having to run faster and faster in their economic activity in order to stay in the same place, and the gap in wealth between rich and poor countries grows wider every year.

　　the most pressing problem created by the rapid increase in population is a shortage of food. more mouths have to be fed every year and yet a high proportion of the existing population are not getting enough of the right kind of food. over the past two years the total amount of food has decreased, and of course the total amount of food per person has decreased even more sharply.

　　more and more of the babies born in developing countries have been surviving infancy, and now nearly half the people living in those countries are under the age of 15. the adults have to work harder than ever to provide for the needs of the children,who cannot contribute to the economy until they are older. there is a shortage of schools and teachers, and there are not enough hospitals, doctors and nurses. farming land is becoming scarce,so country people are moving to the towns and cities in the hope of finding a better standard of living. but the cities have not been able to provide housing, and the newcomers live in crowded slums.finally, there are too few jobs, and unemployment leads to further poverty.

　　优秀英语作文：The Problem of Human Population

　　it has been estimated that a thousand years ago there were less than 400 million people on earth. today, however, the world's population has amounted to 5,000 million. what is worse, it keeps growing at a surprising speed. if this trend continues, the world's population will shoot up to 7,000 million by the year xx. this is what we call population explosion.

　　the rapid development of science and technology is the main cause of population explosion. we can see that the population has been growing at a tremendous speed since the industrial and agriculture revolution in 1650, which raised the people's standard of living, and the emergence of modern medicine in 1550, which lowered the people's death rate.

　　population explosion will result in a lot of such problems as food shortage, housing shortage and unemployment. it is time that we acted quickly to carry out the policy of birth control otherwise, man's survival on the earth will be threatened.

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