大学英语实用视听说教程（第2版）PDF电子书下载

Unit One Culture Shock 1

Unit Two Environmental Protection 11

Unit Three Social Problems 20

Unit Four Employment 30

Unit Five Inventions 40

Unit Six Advertisements 51

Unit Seven Workload 60

Unit Eight Responsibility 71

Unit Nine Money 81

Unit Ten Traffic Problems 92

Unit Eleven Human Virtues 103

Unit Twelve Dreams and Ambitions 113