목차
Chapter 1. Before Our Time
1. What Do Paleontologists Do?
2. The Dinosaur Museum
3. The First People on Earth
Chapter 2. Cool Places
4. A Tall Tower in Shanghai
5. The Pyramids of Giza
6. My Uncle's Journey
Chapter 1-2
Review
Video
Chapter 3. Keep It Clean
7. Have Fun Downtown
8. Cleaning Our School
9. Around Town
Chapter 4. On Vacation
10. A Trip to Rome
11. Summer Vacation
12. Plants for Vacation
Chapter 3-4
Review
Video