Unit 1 How to be a Good English Learner 如何学好英语 Unit 2 School and Education 学校和教育 Unit 3 Jobs and Professions 工作和职业 Unit 4 Travels and Holidays 旅行和度假 Unit 5 Business and Business People 企业和企业家 Unit 6 Health Problems 健康问题 Unit 7 Harmony with Nature 与自然和谐相处 Unit 8 Computer and Internet 计算机和因特网 Unit 9 Fighting Againest Disease 向疾病宣战 Unit 10 Global Economy and Finance 全球经济和金融 Unit 11 Dealing with World Poverty and Starvation 应对世界性贫困和饥饿 Unit 12 Space Exploration 太空探索 Unit 13 Urbanization 城市化 Unit 14 Crime and Punishment 罪与罚 Unit 15 Advertising and Media 广告与媒体 Unit 16 People and Population 人和人口问题