Unit 1 Family and Daily Activities Unit 2 Past Experiences Unit 3 Information and Directions Unit 4 Offers, Suggestions and Advice Unit 5 Films, TV Programs and the Internet Unit 6 Making Appointments Unit 7 Social Morality Unit 8 Making Complaints Unit 9 Agreeing and Disagreeing Unit 10 Travelling Around Unit 11 Food and Health Unit 12 Career Development Unit 13 E-commerce Unit 14 Culture Shock Unit 15 Natural Disasters Unit 16 Environmental Protection