大学英语四级(CET4)考试写作范文:我们需要扩大知识

　　We Need to Broaden Our Knowledge

　　Our modern civilization is mainly attributed to the achievements of science and technolagy. With the broadening of human knowledge, We know more and more about the world we are living in. Human beings use their knowledge to change the environment, utilize the natural resources and create a fine world which is suitable for mankind. Thus comes the modern civilization of industry, agriculture and science.

　　Social science constructs the spiritual nature of human beings. Man achieves social science through colourful social life. The natural science, no matter how advanred, cannot develop further without the direction of social science. in modern society, the relationship between natural science and social science has become closer. A great many new subjects, which are actually derived from both natural and social science, have come into existence and greatly enriched the sea of human knowledge.

　　As college students, we should learn as many kinds of knowledge as possihle.We are required to do as much as we can to improve human life and society as well. Without sufficient knowledge, we cant meet the future needs and cant be what we are expected to be. So we must learn as many kinds of knowledge as we can during our stay at the uni verity.