Unit 1 Economics and Economic Reasoning PreReading Tasks Text Exercises Supplementary Reading Unit 2 Man and Nature PreReading Tasks Text Exercises Supplementary Reading Unit 3 Perceptions of a Country PreReading Tasks Text Exercises Supplementary Reading Unit 4 Human Behavior and Their Reflection PreReading Tasks Text Exercises Supplementary Reading Unit 5 Regulating Hazardous and Toxic Materials PreReading Tasks Text Exercises Supplementary Reading Unit 6 Virtue or Vice PreReading Tasks Text Exercises Supplementary Reading Unit 7 Where is Happiness？ PreReading Tasks Text Exercises Supplementary Reading Unit 8 Cinema and Movies PreReading Tasks Text Exercises Supplementary Reading Unit 9 Modem Medicine and Reliability PreReading Tasks Text Exercises Supplementary Reading Unit 10 Politics and Ethics PreReading Tasks Text Exercises Supplementary Reading Unit 11 A Changing World PreReading Tasks Text Exercises Supplementary Reading Unit 12 Law and Legal Profession PreReading Tasks Text Exercises Supplementary Reading
