Unit One Key to Ex tended Reading Skills Practice 1. 直接定义 bilingual: 会说两种语言的 2. 近义复述 attribute: 特质，才能 3. 对比和比较表达 litter: 狼崽 4. 举例表达 ravenous: 饿极了 5. 解释说明 procrastinating: 拖延；耽搁 6. 构词法 unforeseeable: 不能预见 7. 常识 trays: 托盘或盘子 Key to Ex tended Translating Skills Practice 1. 我没有数学方面的天赋。（原文中的head 本来是“头脑”的意思，但是可以引申为“对数学没有天赋”。） 2. 男孩兴奋得眼睛睁得圆圆的。 3. 这对双胞胎兄弟毫不相似，科林个子高而且很活跃，约翰个子矮而且老成。 4. 激光的妙处就在于它能进行机械加工而不必实际接触所加工的材料。 5. 这里为国内市场生产了许多产品。 6. 松树的树根在石缝间扎下去。 Key to Ex tended Writing Skills and Practice 1) The ability to write well-organized, concise paragraphs is essential to a student’s success in almost all university courses. （Topic Sentence）In preparing scientific reports of laboratory experiments, a student must present his or her findings in logical order and clear language in order to receive a favorable evaluation of his work. In writing successful answers to essay questions on history or anthropology examinations, a student must arrange the relevant facts and opinions according to some accepted pattern of paragraph structure. And certainly in writing a book report for English, or a critique for political studies, or a term paper for sociology, a student must pay attention to the style and organization as well as the content. (Developing sentences) Clearly, skill in expository writing is crucial to successful achievement in most university subjects. (Concluding sentence) 2) This term several useful and interesting courses have been offered. （Topic Sentence） An introduction to European Culture, for instance, gives us a lot of background knowle...
