Part Ⅰ For and Against Unit 1 The Installment of Condom Vending Machines on Campus Unit 2 Should China Develop Personal Automobiles? Unit 3 Advantages and Disadvantages of the Construction of Dams Unit 4 Skyscrapers in China Unit 5 Cloning and Modern Technologies Unit 6 On Dink Unit 7 Chinese Migrant Workers Unit 8 Views on Examinations Unit 9 On Door-to -door Sales Activities Unit 10 Opinions of Advertising Unit 11 Euthanasia-The Control of Death Reference Answers Part Ⅱ Making Comparisons Unit 1 Buy a House in Downtown or Suburbs? Unit 2 Ways to Get News Unit 3 The Teaching Methods I Prefer Unit 4 Which Sport Do You Like? Unit 5 Package Tours and Travelling Individually Unit 6 The Choice of Careers Unit 7 Should Young Couples and Their Parents Live Separately? Unit 8 Which Forms of Transport Do You Prefer? Unit 9 Large Companies and Small Companies Unit 10 Making a Purchase at the Supermarket or at Local Shops? Unit 11 What Kind of Extracurricular Activities Reference Answers Part Ⅲ Giving Explanations Unit 1 Divorce in China Unit 2 Going Abroad Unit 3 Pop Stars Unit 4 The Rise in Teenage Smoking Unit 5 Job Hunting for College Graduates Unit 6 High School Students Attending a College Abroad Unit 7 Longevity and Aging Population Unit 8 Environment in China Unit 9 Competition for College Education Unit 10 A Boom in Adult Education Unit 11 College Students Taking Part-time Jobs Reference Answers Part Ⅳ Making Decisions Unit 1 Who Do You Invite to Dinner? …… Appendix Patterns for Discussion and Debate