本站不提供该课本链接，目录如下：
Unit 1 My school
Unit 2 My classmates
Unit 3 Animals and their homes
Unit 4 Our birthday
Unit 5 Visiting places
Unit 6 It's autumn!
Unit 7 My healthy breakfast
Unit 8 Be honest
Unit 9 What time is it?
Unit 10 Weather
Words to use