Contents 1
Unit Sixteen Following the Fashion 1
Unit Seventeen Job-hopping 18
Unit Eighteen Retirement 35
Unit Nineteen Euthanasia 52
Unit Twenty Capital Punishment 70
Unit Twenty-one Single-sex Education 86
Unit Twenty-two Test-oriented Education and Quality-oriented Education 104
Unit Twenty-three Private School and Public School 120
Unit Twenty-four Economic Development and Environmental Protection 136
Unit Twenty-five Human Cloning 154
Unit Twenty-six Nature and Nurture 172
Unit Twenty-seven Gun-possession 189
Unit Twenty-eight Nuclear Energy 206
Unit Twenty-nine Competition and Cooperation 225
Unit Thirty Economic Globalization 243
Appendix Ⅰ Reference Answers 261
Appendix Ⅱ English Speech Evaluation Criteria of American Students 288
Appendix Ⅲ Debate Topics 290