UNIT 1 SCHOOLS AND EDUCATION 学校与教育
UNIT 2 WORK AND LIFE 工作与生活
UNIT 3 TRAFFIC AND ACCIDENTS 交通与事故
UNIT 4 HUMANITY AND ENVIRCINMENT 人类与环境
UNIT 5 SOCIAL PROBLEMS 社会问题
UNIT 6 SCIENCETECHNOLOGY AND PROGRESS 科技与进步
UNIT 7 SANITATION AND HEALTH 卫生与健康
UNIT 8 SPORTS 体育运动
UNIT 9 CITIES AND COUNTRYSIDE 城市与乡村
UNIT 10 CULTURE AND HISTORY 文化与历史
UNIT 11 TRAVEL AND SIGHTSEEING 旅游与观光
UNIT 12 ENTERTAINMENT AND MASS MEDIA 娱乐与大众传媒
UNIT 13 BUSINESS AND NEGOTIATIONS 商务与谈判
UNIT 14 TRADE AND INVESTMENT 贸易与投资
UNIT 15 ECONOMY AND DEVELOPMENT 经济与发展
UNIT 16 FOREIGN RELATIONS 对外关系
