提示：点击单元就可进入课文学习：
- 课文目录与封面 .单元录音与听力文本
- Module 1 People and places
- Unit 1:People around us
- Unit 2:Travelling around the world
- Module 2 Man's best friends
- Unit 3:Our animal friends
- Unit 4:Save the trees
- Module 3 Natural elements
- Unit 5:Water
- Unit 6:Electricity
- Module 4 Colourful life
- Unit 7:Poems
- Unit 8:From hobby to career
- Vocabulary