目录：
Unit 1 This is my body
Unit 2 I find it
Unit 3 What a nice day!
Unit 4 What’s the weather like?
Revision 1
Unit 5 I love my family
Unit 6 Tell the differences
Unit 7 I know numbers
Unit 8 Let’s go to the nature park!
Revision 2
Your Picture Dictionary
词汇表I
词汇表Ⅱ
重要表达
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