- Unit 1 Stay Healthy
- Unit 2 Great People
- Unit 3 Safety
- Unit 4 Stories and Poems
- Unit 5 Look into Science
- Lesson 25：Let
- Lesson 26：Keep the Candle Burning
- Lesson 27：Planet Danny
- Lesson 28：The Study of Living Things
- Lesson 29：DNA—The Story of You
- Lesson 30：Science Affects Us
- Unit Review
- Unit 6 Movies and Theatre
- Unit 7 Work for Peace
- Unit 8 Culture Shapes Us
- Unit 9 Communication
- Unit 10 Get Ready for the Future
版本：
很抱歉，暂时没有该知识点下的试题，等待我们的收集吧o(╥﹏╥)o