Unit 1 Communication 1
Unit 2 Music 9
Unit 3 Economics 19
Unit 4 Investment 29
Unit 5 Culture 40
Unit 6 Politics 54
Unit 7 Automobile Engineering 65
Unit 8 Sports 78
Unit 9 Tourism 90
Unit 10 Foreign Trade 103
Unit 11 Philosophy of Life 113
Unit 12 Film Appreciation 126
Unit 13 Management 140
Unit 14 Internet Technology 152
Unit 15 Material Science 164
Unit 16 Shipping Engineering 173
Unit 17 Civil Engineering 186
Unit 18 Environmental Engineering 197
Unit 19 Art 212
Unit 20 Language 223