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Unit 1 School life
　　Lesson 1 I'm new here
　　Lesson 2 Our school is beautiful
　　Lesson 3 Happy Teachers' Day!
　　Self-assessment
Unit 2 Visiting friends
　　Lesson 1 What a nice room!
　　Lesson 2 How did you come here?
　　Lesson 3 What a mess!
　　Self-assessment
Unit 3 Interesting festivals
　　Lesson 1 Happy Halloween!
　　Lesson 2 Thanksgiving Day
　　Lesson 3 Merry Christmas!
　　Self-assessment