本站不提供该课本链接，目录如下：
Module 1 City life
　　Unit 1 Great cities in Asia
　　Unit 2 At the airport
　　Unit 3 Dragon Boat Festival
　　Unit 4 Staying healthy
Module 2 Changes
　　Unit 5 What will I be like?
　　Unit 6 Seasonal changes
　　Unit 7 Travelling in Garden City
Module 3 The nature world
　　Unit 8 Windy weather
　　Unit 9 Sea water and rain water
　　Unit 10 Forests and land
　　Unit 11 Controlling fire