Acknowledgements Preface Introduction Unit 1: The Perfect Businessman? Unit 2: Lifestyles Unit 3: Food for Thought Unit 4: Entertainments Unit 5: TheArts Unit 6: Comparing Cultures Unit 7: Leaming & Culture Unit 8: English: A World Language Unit 9: Green Issues Unit 10: Tomorrow's World Unit 11: Test Preparation A Unit 12: Test Preparation B Unit 13: A Research Project · · · · · · (收起)