目录：
封面/前言/目录
Unit 1 Meeting new people
Unit 2 Can you swim?
Unit 3 Are you happy?
Revision 1
Project 1
Unit 4 Do you have any cousins?
Unit 5 My friends
Unit 6 My parents
Revision 2
Project 2
Unit 7 At school
Unit 8 At the shop
Unit 9 At home
Revision 3
Project 3
Unit 10 Around my home
Unit 11 Shapes
Unit 12 Weather
Revision 4
Project 4
单词表
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