关 键 词： 小学四年级 400字
字 数： 400字作文
本文适合： 小学四年级
作文来源： https://Zw.liuxue86.com
作文网(m.zw.liuxue86.com)提示:我们欢迎所有使用和拷贝我们的作文，只需在页面保留我们的版权信息即可。
本作文是关于小学四年级400字的作文，题目为：《Population Control》，欢迎大家踊跃投稿。
Progress in science and the improvement of living conditions have led to the rapid growth of the world population Modern medicine, for example, has made it possible for babies to grow up healthily and for people to live longer With improved living conditions, particularly in the countryside, people tend to have larger families As a result, the world population has increased so rapidly that it has now exceeded 6 billion But the overgrowth of population presents a threat to the existence of human society A large population demands a great deal of food supply and shelter space However, limited productivity and scarce world resources can hardly meet the needs of the ever-increasing population Thus, in the long run, the overgrowth of the world population will only harm mankind To guarantee the steady development of human society, mankind must realize the consequences resulting from fast population growth and carry out a family planning programme Only by adopting effective measures, can human society develop steadily and have a bright future