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