提示：点击单元就可开始单词学习：
- Module 1 My life
- Unit 1:Making friends
- Unit 2:Daily life
- Module 2 The natural world
- Unit 3:The earth
- Unit 4:Seasons
- Module 3 Travels
- Unit 5:Visiting the moon
- Unit 6:Travelling around Asia
- Module 4 Fun time
- Unit 7:School clubs
- Unit 8:Collecting things