Unit 1 Public Speaking 1
Unit 2 Advertising 12
Unit 3 Marriage and Happiness 19
Unit 4 Sexes 29
Unit 5 Disaster Relief 39
Unit 6 Learning Psychology 57
Unit 7 Philosophy and Life 69
Unit 8 Movies and Subtitling 80
Unit 9 Cultural Integration 95
Unit 10 Innovation and Education 106
Unit 11 Law and Politics 124
Unit 12 Social Welfare 139