Unit 1 Save Our Planet 1
Unit 2 Across Generations 13
Unit 3 Health 25
Unit 4 Employment 37
Unit 5 Is Now a Terrible Time to Be Young? 51
Unit 6 Love and Marriage 63
Unit 7 Transport 77
Unit 8 Social Problems 91
Unit 9 Prejudice and Discrimination 103
Unit 10 Digital Era 115
Unit 11 People with Exceptionalities 129
Unit 12 Crime and Punishment 143
Unit 13 Mass Media and Society 155
Unit 14 Credit System and Honesty 167
Unit 15 Communication and Socialization 179
Unit 16 Language and Culture 191