Unit 1 Intellectual Property：Piracy in the Twenty-First Century 17
Unit 2 Using Information Found on the Web：Checking Is Believing 24
Unit 3 Seven Questions about Sleep：Live Online Chat with Doctors.com 31
Unit 4 Becoming an Entrepreneur：Entering the Dragon's Den 39
Unit 5 Youth,Beauty and Health：Young People's Perceptions of Health 47
Unit 6 Netiquette：Saying the Right Things in Emails 54
Unit 7 Making Money：An Ordinary Millionaire 63
Unit 8 Genetically Modified Food：Feeding or Poisoning the World？ 73
Unit 9 English Words：The Biggest Vocabulary in the World 84
Unit 10 Sick Buildings：What Makes a Building Sick？ 94
Unit 11 Pop Music：The Beatles—A Biography 105
Unit 12 Assessing Performance：Examinations—Frightening or Fair？ 114
Unit 13 Online Romance：The Perfect Online Romance？ 126
Unit 14 Lasers：Light Swords 135
Unit 15 Cultural Flows along the Silk Road：Seven Myths 145
Unit 16 Personal Identification：VeriChips 153
Appendix Ⅰ 课文参考译文 163
Appendix Ⅱ Glossary 192