- 提示：点击一级目录名称可以进入相关单元学习
- .Unit 1 My school subjects
- .Unit 2 Happy birthday
- .Unit 3 The weather band
- .Unit 4 How far is it from Xidan to Wangfujing Street?
- .Unit 5 My robot helper
- .Unit 6 What's it like?
- .Unit 7 This is the house where we live
- .Unit 8 Time went by quickly!
- .Unit 9 Shall we go camping next year?
- .Unit 10 Have you ever been to a science museum?
- .Unit 11 What's it made of?
- .Unit 12 Going for gold
- .Unit 13 Christmas fun
- .Unit 14 We love to play games
- .Unit 15 How to ask questions
- .Unit 16 When I grow up