Progress in science and the improvement of living conditions have led m the rapidgrowth of the world Modern medical science， for example， has made it possible for babies to grow up healthily and for people to live With improved living conditions， particularly in the countryside， people tend to have larger As a resuit， the world population has increased so rapidly that it has now exceeded 5 But the overgrowth of population presents a threat to the existence of human A large population demands a great deal of food supply and shelter However，the limited productivity and scarce natural resources can hardly meet the needs of the ever-Increasing Thus in the long run， the overgrowth of the world population will only harm To guarantee the steady development of human society， mankind must realize the consequences resulting from a fast population growth and the importance of carrying out a family planning Only by adopting effectual measures can human society de velop steadily and have a bright 控制人口 科学的进步和生活条件的改善导致了世界人口的迅速增长。譬如，现代医学可以使幼儿健康成长，使人们长寿。由于生活条件的改善，特别是农村生活条件的改善，家庭人门日渐增多。结果，世界人口增长如此迅猛以致于现在人口超过了50亿。 但是，人口过分增长对人类社会的存在构成了威胁。大量的人口需要大批的粮食供给和大量的住宅。然而，有限的生产能力和不足的自然资源几乎不能满足日益增长的人口的需要。因此，从长远的观点看，过多的世界人口将会危害人类。 为了保证人类社会的稳定发展，人类必须意识到人口迅速增长所造成的后果和执行计划生育方针的重要性。只有采取有效措施，人类社会才能稳步发展，才会有光明的未来。
Now， the population question already the worldwide basis question， we must pay in 2000 the world population achieved 6，000，000，000， because the population question has been in the world the most major problem overpopulation brings many questions， caused the developing country population to account for the world population 4/5， but China adopted the birth control policy to have the
The Problems of Large Population(人口问题)It is reported that the world’s population was 6 billion in the year 2，000， and it is growing faster and The world’s population problem is the greatest one because it brings lots of problems， such as water resources problem， more and more people losing their jobs and so These problems are mainly in the developing countries because the population of the developing countries is over 4/ 5 of the world’s So China， the largest developing country， has kept the policy
the ups and downs of population growth As is seen from the two graphs， it is clear that with the rapid growth of US population from 1800 to 1990， the number of its wildlife species no longer existing soared during the same Naturally， we can draw the conclusion that the sharp decline of wildlife species resulted from the population Two reasons may account for this To begin with， as the population grows， people consume much more natural resources， which often leads to excessive Second， with the increase of human activities， modern people take up more and more Which has a great impact on other Finally， the problem of pollution becomes more and more serious with the development of modern 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 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 Moreover， common citizens should be aware of this ecological crisis and take on the responsibility of wildlife 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
