1. The Earth's Atomsphere
2. Is El Nino Back?
3. Wildlife Conservation
4. Pets
5. William H.GatesⅢ
6. Alan Greenspan
7. To face the Music
8. Rats Have Head for Language
9. A Mistaken Rapture
10. The Danger of Green Grass Snakes
11. London or Paris
12. Home on the Road
13. Faith and Miracle
14. Lie-Detector Camera Looks into Your Eyes
15. Rovers on Mars
16. The Bermuda Triangle
17. Wal-Mart's Rise
18. Interracial Marriages
19. The Communicative Style of Americans
20. What Dose It Meen to Be a Living Thing?
ANSWER KEYS