Unit One Learning a Language 1
Unit Two Growing Up 36
Unit Three Knowing Yourself 76
Unit Four Care of the Elderly 111
Practice Test Ⅰ(Units Ⅰ-4) 140
Unit Five Parents and Children 147
Unit Six Christmas Spirit 181
Unit Seven Relationships and Communication 212
Unit Eight College Life 244
Practice Test Ⅱ(Units 5-8) 281