Unit 1 Growing Up
Unit 2 Friendship
Unit 3 Understanding Science
Unit 4 The American Dream
Test Yourself (Unit 1-4)
Unit 5 Work to Live or Live to Work
Unit 6 Romance
Unit 7 Animal Intelligence
Unit 8 Educational Problems
Test Yourself (Unit 5-8)
Appendix Ⅰ Key to Exercises in Parts Ⅰ,Ⅲ,Ⅳ
Appendix Ⅱ Tape Script and Key to Test Papers
Appendix Ⅲ Affixation
Appendix Ⅳ Presupposed Word List
Appendix Ⅴ Glossary