目录：
Unit 1 This Is My Face
Unit 2 These Are My Legs
Unit 3 I Love My Family
Unit 4 My Mother Is a Doctor
Units 1-4 Review1
Unit 5 The Cookies Are Nice
Unit 6 She Likes Fruits
Unit 7 The Pet Is Lovely
Unit 8 Animals Are Our Friends
Units 5-8 Review2
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