分类：教育/科学-学习帮助
问题：英语文章（６到８句话）Writetoeightsentences 
Wre to eight sentences about the population problem.写一篇8句话的文章有关人口问题提示：可以写有关人口增长问题造成的结果注意：我是初二的学生，写的文章最好符合我的水平。OK？
回答：The increasing population may be the greatest challenge of the world today.The world's population is growing faster and faster. Two thousand years ago, there were only 250 million people on the earth.Four hundred years ago, the number was over 500 million.At the beginning of the twentieth century, the world's population was about 1.7 billion.
这个是初中水平，应该差不多啦