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