写作要点：

1．人类面临的问题(如能源、疾病、污染、人口等)2．悲观的看法(人类将无法生存)3．人类的智慧出路

Man Is to Survive

      Nowadays humanity is faced with a lot of troublesome problems: energy threatening the survival of humanity. Therefore, stone people are pessimistic about the future of humanity.
    They are pessimistic because they think that limited energy on earth will be exhausted soon; incurable diseases are threatening more people's lives; pollution is worsening the environment; population explosion will make food shortage even more serious.
    Actually they needn't worry too much about these problems. Scientists will have developed new energy resources by the time oil and coal are used up. Besides, scientists are making a thorough study of genes and they will manage to cure cancer by adjusting the arrangement of genes. They are also making efforts to control pollution and population. Furthermore, all the governments in the world are concerned about these problems and they have taken measures to solve these problems.

        Therefore, we have every reason to be sure that human beings will conquer nature but they will never be conquered.

大概翻译：

现在人类正面临着很多棘手的问题：能源威胁着人类的生存。因此，石人们悲观人类的未来。
    他们感到悲观，因为他们认为，地球上有限的能源即将用罄，无法治愈的疾病正威胁着更多人的生活;污染日益严重，环境，人口的爆炸将粮食短缺更为严重。
    其实他们不必担心这些问题太多。科学家将开发的石油和煤炭的时间，新能源用完。此外，科学家正进行深入研究的基因，他们将设法通过调整治疗基因安排癌症。他们还努力控制污染和人口。此外，所有世界各国政府所关心的这些问题，他们已采取措施来解决这些问题。因此，我们有理由相信，人类将征服自然，但永远不会被征服。

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