2. 外语
  3. 1. As an important means for preserving knowledge, various literatures have become precious resources for the mankind, which hav

1. As an important means for preserving knowledge, various literatures have become precious resources for the mankind, which hav

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问题 1. As an important means for preserving knowledge, various literatures have become precious resources for the mankind, which have greatly contributed to the social progress of human race.
Professional literatures have been regarded as "intangible assets" of the whole world because they are, on one hand, the summary, generalization, and development of the achievement obtained on the basis of previous experiences or studies, and on the other hand, they have been accumulated and handed down from generation to generation. In this sense, therefore, all kinds of literatures are records of previous research findings and academic achievements, and crystallization of human civilization.
2. History has proved that man’s understanding of natural resources and his taping and utilizing of them, as well as his capability of making tools of production to make use of these resources, are a milestone to the level of development of social productive forces. And they too, to some extent, have decided the basic structure and pattern of development of a given society.
3. In reality, the lines of division between sciences are becoming blurred, and science again approaching the "unity" that it had two centuries ago-although the accumulated knowledge is enormously greater now, and no one person can hope to comprehend more than a fraction of it.
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答案虽然现在积累起来的知识要多得多，而且任何个人也只可能了解其中的一小部分，但事实是，各学科之间界线却变得模糊不清，科学再次形成近似于两百年前那样的单一整体。
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