Part 1 Social Studies 社會科學
1. The First Americans and the Land They Found **批美洲人及美洲的發(fā)現(xiàn) ...............2
2. How the American Indians Lived 印第安人如何生存 ..........................................................8
3. National Profiles of the United States 美國概況 ...............................................................15
4. American Symbols 美國的象征 .............................................................................................22
5. Patriotic Documents 愛國文獻 ..............................................................................................27
6. Land of Second Chances 賜予二次機遇的土地 .................................................................36
7. The Flag Etiquette 國旗禮儀 ..................................................................................................42
Part 2 Science 自然科學
8. Discoveries 發(fā)現(xiàn) ......................................................................................................................49
9. The Universe 宇宙 ...................................................................................................................58
10. Genes 基因 .............................................................................................................................65
11. Ecology 生態(tài) ...........................................................................................................................72
12. Communications 通信 ..........................................................................................................82
13. Body Defenses 人體防御 .....................................................................................................91
14. The Animal Kingdom 動物王國 ...........................................................................................99
15. Volcanoes 火山 ....................................................................................................................106
16. Franklin's Folly 富蘭克林的荒唐事 ....................................................................................114
Part 3 Literature 文學
17. Doc Brackett 布萊克特醫(yī)生 ................................................................................................122
18. After Twenty Years 二十年后 .............................................................................................129
19. Companions 伙伴 ................................................................................................................140
20. The Discontented Pendulum 不滿的鐘擺 .......................................................................146
21. Mending Wall 補墻 ..............................................................................................................154
22. A Lesson from the Eagle 雕的啟示 ..................................................................................160
23. Cheerfulness 快樂 ...............................................................................................................167
Part 4 Life Encyclopedia 生活百科
24. Renaissance Period Music and Art 文藝復興時期的音樂和繪畫 ...............................175
25. First Aid and Your Body 急救和人體 ................................................................................181
26. Dealing with Stress 緩解壓力 ............................................................................................187
27. Nutrition 營養(yǎng) ........................................................................................................................193
28. Alcohol 酒 ..............................................................................................................................202
29. Environmental Safety: Preparing for the Worst 環(huán)境安全: 做好*壞的打算 .........208
30. Cancer 癌癥 .........................................................................................................................217