Unit 1 Time-conscious Americans 1
Unit 2 Environmental Protection Throughout the World 9
Unit 3 Marriages Across the Nations 17
Unit 4 Studying Abroad 23
Unit 5 Weeping for My Smoking Daughter 31
Unit 6 As His Name Is,So Is He! 39
Unit 7 Health 47
Unit 8 Life and Work 55
Unit 9 Study and Brain Drain 63
Unit 10 War and Peace 71
Unit 11 Growing Up 81
Unit 12 Civilization 89
Tapescript and Key 99