.课本封面和目录
.Unit 1 Our teachers
.Unit 2 Months of a year
.Unit 3 Our hobbies
.Review 1
.Unit 4 Around our city
.Unit 5 Our holiday plans
.Review 2
.Vocabulary
.学生乐园 二、同频音频MP3打包下载点击下载：下载地址一。