Direction: For thi part, you are allowed thirty minute to write a compoition on the topic We Need to Broaden Our Knowledge. You hould write no le than 120 word and you hould bae your compoition on the outline (given in Chinee) below:
1. 科学技术是社会发展所不可缺少的
2. 社会科学和自然科学相互渗透
3. 现代大学生需要广博的知识
范文：
We Need to Broaden Our Knowledge
Knowledge i power, epecially cientific and technological knowledge. Science and technology are the motive power of the ocial development. Without them human ociety could never have developed from primitive ociety to modern ociety. Therefore, to conquer and tranform nature, we mut mater cientific knowledge.
However, ocial knowledge i alo eential. Without it we can not undertand ociety and don＇t know the law of the ocial development. A a reult we are unable to tovern ociety. Therefore, beide cientific knowledge we need to mater ocial cience, philoophy, politic, hitory, aethetic, etc, o that we can know ociety from all perpective and form a correct world outlook.
To meet new challenge in he 21t century, we univerity tudent hould loe no time to acquire a much knowledge a poible o that we will become qualified ucceor of the ocialit caue.