Unit 1 Changes in the Way We Live 1
Text A Mr.Doherty Builds His Dream Life 1
Text B American Family Life:The Changing Picture 15
Unit 2 Civil-Rights Heroes 31
Text A The Freedom Givers 31
Text B The Dream,the Stars and Dr.King 43
Unit 3 Security 59
Text A The Land of the Lock 59
Text B Why I Bought a Gun 70
Unit 4 Extraterrestrials 87
Text A The Watery Place 87
Text B Is There Life on Planets Circling Other Stars? 98
Text A Writing Three Thank-You Letters 115
Unit 5 How to Celebrate Holidays 115
Text B Where Is Home 126
Unit 6 The Human Touch 141
Test A The Last Leaf 141
Text B Thank You,Ma'm 153
Unit 7 Making a Living 171
Text A Life of a Salesman 171
Text B Bricklayer's Boy 183
Unit 8 Cloning 199
Text A A Clone Is Born 199
Text B Second Thoughts on Cloning 217
Appendix Ⅰ Key to Exercises(Units1-8) 235
Appendix Ⅱ Chinese Translations of Texts A(Units 1-8) 266
Appendix Ⅲ Chinese Translations of Texts B(Units 1-8) 283