UNIT 1 Human Relations and Interpersonal Skills UNIT 2 Food and Health UNIT 3 Sport and Its Developments UNIT 4 Social Media and Online Safety UNIT 5 Traveling and Travelers UNIT 6 Business and Business Stratecly UNIT 7 Behavior and Etiquette UNIT 8 Culture and Identity Communication Bank
以下为对购买帮助不大的评价