目录：
Unit 1 My new school
Unit 2 Visiting a school
Unit 3 My community
Unit 4 In the fields
Unit 5 My day
Unit 6 On duty
Review 1
Unit 7 After school
Unit 8 On weekends
Unit 9 A busy family
Unit 10 Cleaning my room
Unit 11 Calling home
Unit 12 Having fun
Review 2
单词表
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