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  • 人口控制

    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 impro...

    日期:2014-05-04 点击:76
  • Population expansion

    Population expansion is one of the most serious problems in the world. With better hygienic conditions and better medical care, fewer babies die today. But the birth rate remains unchanged. Moreover, the death rate has been lowered conside...

    日期:2014-05-04 点击:73
  • 中国的人口

    As is known to us,China has the biggest population in the world,which is more than 1,300,000,000.Such a large population causes some problems in cities,thats the unemployment.Too many people gather in cities and the jobs are not enough.Som...

    日期:2014-05-04 点击:71
  • My idea of Family Planning

    Family planning is the most effective way to solve the population problem, the seriousness of which we often underestimate. Quite obviously family planning has so far macle little progress. At a time when half of the world is suffering fro...

    日期:2014-05-04 点击:72
  • 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 c...

    日期:2014-05-04 点击:76
  • 解决人口问题

    recently our country population get more and more,and then, it will cause unnecessary stress for our country, for instance,environment pollution,obtain employment, and so on, and for all of this kind of things , we not only need our govern...

    日期:2014-05-04 点击:70
  • 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 peopl...

    日期:2014-05-04 点击:77
  • growing human population

    Currently, there is a widespread concern about the previously neglected connection between growing human population and decreasing wild species. As the two graphs obviously portrayed, American population in 1980 was 250 times than that in...

    日期:2014-05-04 点击:69
  • 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 th...

    日期:2014-05-04 点击:76
  • Population Burden

    Many countries will experience aging populations in the next century because of declining birth and mortality rates. China will soon join their ranks. As for the issue of aging, its situation has been growing increasingly severe in spite o...

    日期:2014-05-04 点击:82
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    1998年夏季,我国长江下游地区连续普降暴雨,洪水袭击了中国人口稠密、经济发达的地区...

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    建设节约型社会是我们珍惜、节约资源时喊的一个口号。可是,又该怎样才能真正做到节约...

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    我国是人口大国,上一次人口调查人口在13亿左右,是世界上人口最多的国家,人口总数的...

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    许多国家在下一世纪将经历人口老龄化,由于出生率下降和死亡率。中国将很快加入他们的...

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    上周,我们组调查了一下新华街某栋楼里的居民情况。结果,发现了两个问题:1.男女比...

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    假如中国没有计划生育,我会有不止一个弟弟或者妹妹,因为在农村,养儿防老的观念依旧...

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