目录：
封面/前言/目录
Unit 1 The king’s new clothes
Unit 2 What a day!
Unit 3 Holiday fun
Unit 4 Then and now
Project 1 A holiday album
Unit 5 Signs
Unit 6 Keep our city clean
Unit 7 Protect the Earth
Unit 8 Chinese New Year
Project 2 Reuse and recycle
Learning tips
Word lists
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