Unit One Part I Understanding and Learning Section A Time-Conscius Americans Section B Culture Shock Section C The Two Years Spent in America Part Ⅱ Key to the Exercises Unit Two Part Ⅰ Understanding and Learning Section A Environmental Protection Throughout the World Section B Green Spaces in Cities Section C Earth-A Liveing Planet Part Ⅱ Key to the Exercises Unit Three Part Ⅰ Understanding and Learning Section A Marriage Across the Nations Section B Rich Meeting His Future Mother-in-Law Section C Finding a Marriage Partner Part Ⅱ Key to the Exercises 2000年1月大學(xué)英語四級考試全真試題（Ⅰ） Unit Four Part 1 Understanding and Learning Section A Studying Abroad Section B Experiences in Exile Section C My First Day Abroad Part Ⅱ Key to the Exercises Unit Five Part Ⅰ Understanding and Learning Section A Weeping for My Smoking Daughter Section B Stop Spoiling Your Children Section C What Is Larry 's Mind? Part Ⅱ Key to the Exercises Unit Six Unit Seven 2000年1月大學(xué)英語四級考試全真試題（Ⅱ） Unit Eight Unit Nine Unit Ten 2000年1月大學(xué)英語四級考試全真試題（Ⅲ）
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