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Unit One
Key to Extended 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 Extended 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 Extended 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 knowledge of the history of European philosophy, literature, and arts. From time to time we see slide shows of famous paintings and hear tapes of famous pieces of music, and they make the lectures all the more interesting. American Society and Culture is another course that attracts a large audience. The teacher, who visited the United States not long ago, discusses new trends and changes in American life as well as American history and traditions. (Developing sentences) We like these and other courses very much, because they help us not only to improve our English but also to broaden our vision. (Concluding sentence)
Key to Review and Test （1）
Part I Writing(略)
Part II. Reading Comprehension（Skimming and Scanning） 1-7 B C C A A B B
8. reminds 9. accounting for 10. total emission Part III. Listening Comprehension
11-25 CDBAC CCBBA BCACB 26-35 BCABB DCBAD 36 last 37 largest 38 educate 39 present 40 single 41 officials 42 celebrated 43 attend
44 The fair provides a chance for the farming communities to show its skills and faming products.
45 Today, children and adults at the fair can play new computer games, or attend more traditional games of skill.
46 because people need to remember that they’re connected to the earth and its products,
Part IV. Reading Comprehension (Reading in Depth) 47-56 D B E I J K O M A H 57-61 CBDCA 62-66 CBBDC Part V. Cloze
67-76 ACBCA DBACA 77-86 DDABC DDBBA Part VI. Translation 87 at the expense of his health 88 were overtaken by bad weather 89 take the engine apart
90 a family who can’t communicate with each other 91 At this rate, we’ll soon be bankrupt
Unit Two
Key to Extended Reading Skills Practice 1
microphone autobiography invisible postdoctoral unbreakable forecast incapable interdepartmental incorrect disagree trans-Atlantic disability irregular misunderstand superpower telescope overestimated unnatural 2
recommendation persistence imagination physicist creativity leadership purification musician curiosity cultural modernization childhood/childish simplicity/simplistic dangerous marriage hopefully specialize development
Key to Extended Translating Skills Practice
1 妈妈为了挣足够的钱让我接受教育，经常承担额外的工作。 2 许多人喜欢购买高质量的东西。
3 赫尔曼·爱因斯坦给阿尔伯特带了个小玩意儿，正是这个小玩意儿激发了他的智力。
4 大多数父母所关注的事是为他们的孩子尽可能提供最佳教育。 5 你必须服从我的一切命令。
6 玛丽尽管经历了艰难困苦，却从未放弃对知识的追求。
Key to Extended Writing Skills Practice
1 It was a busy morning for Sandy. After getting up, Sandy walked into the bathroom and turned on the shower. Then she grabbed the soap and washed thoroughly, including her hair. After her shower, Sandy brushed her hair, put on her old, green T-shirt and some jeans. Then she put on her makeup and went to the kitchen. As usual, she didn't know what to have for breakfast, so she grabbed a glass of milk and ate a piece of toast while standing by the sink. Just then, her mother, Jane, entered the kitchen. 2 (略)