Unit One Man and Nature 1
Unit Two Man and Technology 26
Unit Three Knowledge and Knowledge Transfer 49
Unit Four Workand Career 72
Practice Test Ⅰ (Units 1-4) 95
Unit Five Fame and Success 102
Unit Six Attitudes to Life 126
Unit Seven Lifestyles 148
Unit Eight Literary Appreciation 176
Practice Test Ⅱ (Units 5-8) 202