Unit 1 A New Stage
Unit 2 Job and Career
Unit 3 Traditional Festivals
Unit 4 Food Culture
Unit 5 Health
Unit 6 Family Love
Unit 7 The Life in the Internet Era
Unit 8 Nature and Environment
Unit 9 Social Media
Unit 10 National Projects
Unit 11 Communication
Unit 12 Keep Trying
Appendix 1 词汇表
Appendix 2 英语国际音标
