标签：话题作文 话题 英语四级作文
字数：1000字
提要： Directions: For this part, you are allowed thirty minutes to write a composition on the topic We Need to Broaden Our Knowledge. You should write no less than 120 words and you should base your composition on the outline (given in Chinese) 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 We Need to Broaden Our Knowledge 范文：Knowl..