Unit 1 Culture 1
Unit 2 Music 15
Unit 3 Economics 25
Unit 4 Investment 34
Unit 5 Sports 45
Unit 6 Politics 57
Unit 7 Automobile Engineering 68
Unit 8 Communication 81
Unit 9 Tourism 89
Unit 10 Foreign Trade 102
Unit 11 Philosophy of Life 113
Unit 12 Film Appreciation 137
Unit 13 Management 154
Unit 14 Language 167
Unit 15 Material Science 182
Unit 16 Shipping Engineering 190
Unit 17 Civil Engineering 203
Unit 18 Environmental Engineering 214
Unit 19 Art 227
Unit 20 Internet Technology 238