英語作文寫作范文-人口問題

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Directions: For this part, you are allowed 30 minutes to write a composition based on the following graph showing the growth of the world's population. The opening sentence is given and you are required to develop it into a full composition. Your part of writing should be no less than 120 words. Some useful words and phrases are provided, but you do not have to include all of them.
    (Suggested words and phrases: birth control, death rate, population explosion, food shortage)
    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 2000. 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.
    方向:對于這部分,您允許30分鐘寫一篇作文基于以下圖表顯示,世界人口的增長。開幕式的句子,你必須發(fā)展成一個完整的成分。你的寫作應(yīng)該不少于120個單詞。提供一些有用的單詞和短語,但你不必包含所有。
    (建議單詞和短語:生育控制,死亡率,人口爆炸、糧食短缺)
    人口的問題
    據(jù)估計,一千年前,地球上有不到4億人。然而,今天,世界人口已達(dá)50億。更糟糕的是,它一直以驚人的速度增長。如果這一趨勢繼續(xù)下去,世界人口將激增至70億到2000年。這就是我們所說的人口爆炸。
    科技的迅速發(fā)展,人口爆炸的主要原因。我們可以看到人口以驚人的速度增長自1650年工業(yè)和農(nóng)業(yè)革命,這提高了人民的生活水平,1550年現(xiàn)代醫(yī)學(xué)的出現(xiàn),降低了人們的死亡率。
    人口爆炸會導(dǎo)致食物短缺等問題,住房短缺和失業(yè)問題。是時候,我們迅速行動實施計劃生育的政策,否則,地球上人類的生存將受到威脅。