- Unit 1 Welcome to my new home!
- Unit 2 There are forty students in our class.
- Unit 3 What subject do you like best?
- Fun Time 1
- Unit 4 There are seven days in a week.
- Unit 5 What will you do this weekend?
- Unit 6 Would you like to take a trip?
- Fun Time 2
- 期末复习
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