- Unit 1 Cultural Heritage
- [01.12]Unit 1电子课本
- [01.12]Unit 1单词表和音频
- [01.12]Listening and speaking音频和原文
- [01.12]Reading and thinking音频和翻译
- [01.12]Listening and talking音频和听力原文
- [01.12]Reading for Writing音频和翻译
- Unit 2 Wildlife Protection
- [01.12]Unit 2电子课本
- [01.12]Unit 2单词表和音频
- [01.12]Listening and speaking音频和原文
- [01.12]Reading and thinking音频和翻译
- [01.12]Listening and talking音频和听力原文
- [01.12]Reading for Writing音频和翻译
- Unit 3 The Internet
- [01.12]Unit 3电子课本
- [01.12]Unit 3单词表和音频
- [01.12]Listening and speaking音频和原文
- [01.12]Reading and thinking音频和翻译
- [01.12]Listening and talking音频和听力原文
- [01.12]Reading for Writing音频和翻译
- Unit 4 History and traditions
- [01.12]Unit 4电子课本
- [01.12]Unit 4单词表和音频
- [01.12]Listening and speaking音频和原文
- [01.12]Reading and thinking音频和翻译
- [01.12]Listening and talking音频和听力原文
- [01.12]Reading for Writing音频和翻译
- Unit 5 Music
- [01.12]Unit 5电子课本
- [01.12]Unit 5单词表和音频
- [01.12]Listening and speaking音频和原文
- [01.12]Reading and thinking音频和翻译
- [01.12]Listening and talking音频和听力原文
- [01.12]Reading for Writing音频和翻译