包邮跟美国学生一起学英语(中级版)

Part 1 Social Studies 社会科学 1. The First Americans and the Land They Found **批美洲人及美洲的发现 ...............2 2. How the American Indians Lived 印第安人如何生存 ..........................................................8 3. National Profiles of the United States 美国概况 ...............................................................15 4. American Symbols 美国的象征 .............................................................................................22 5. Patriotic Documents 爱国文献 ..............................................................................................27 6. Land of Second Chances 赐予二次机遇的土地 .................................................................36 7. The Flag Etiquette 国旗礼仪 ..................................................................................................42 Part 2 Science 自然科学 8. Discoveries 发现 ......................................................................................................................49 9. The Universe 宇宙 ...................................................................................................................58 10. Genes 基因 .............................................................................................................................65 11. Ecology 生态 ...........................................................................................................................72 12. Communications 通信 ..........................................................................................................82 13. Body Defenses 人体防御 .....................................................................................................91 14. The Animal Kingdom 动物王国 ...........................................................................................99 15. Volcanoes 火山 ....................................................................................................................106 16. Franklin's Folly 富兰克林的荒唐事 ....................................................................................114 Part 3 Literature 文学 17. Doc Brackett 布莱克特医生 ................................................................................................122 18. After Twenty Years 二十年后 .............................................................................................129 19. Companions 伙伴 ................................................................................................................140 20. The Discontented Pendulum 不满的钟摆 .......................................................................146 21. Mending Wall 补墙 ..............................................................................................................154 22. A Lesson from the Eagle 雕的启示 ..................................................................................160 23. Cheerfulness 快乐 ...............................................................................................................167 Part 4 Life Encyclopedia 生活百科 24. Renaissance Period Music and Art 文艺复兴时期的音乐和绘画 ...............................175 25. First Aid and Your Body 急救和人体 ................................................................................181 26. Dealing with Stress 缓解压力 ............................................................................................187 27. Nutrition 营养 ........................................................................................................................193 28. Alcohol 酒 ..............................................................................................................................202 29. Environmental Safety: Preparing for the Worst 环境安全： 做好*坏的打算 .........208 30. Cancer 癌症 .........................................................................................................................217