Contents序言 ⅢUnit Ⅰ：Living in Society 1
Chapter 1 The Paradox of Happiness by Diane Swanbrow，in Psychology Today 2
Chapter 2 Hidden Disability by Lynnie Ozer，in Journal of Rehabilitation 17
Chapter 3 The Birth-Order Myth by Alfie Kohn，in Health 29
Unit Ⅱ：Safety and Health 45
Chapter 4 Why So Many More Americans Die in Fires by Donald G．NcNeil,Jr.,in The New York Times 46
Chapter 5 Acupuncture：The New Old Medicine Edited by William G．Flanagan，in Forbes 59
Chapter 6 Mosquito With a Mission by John F．Lauerman，in Health 76
Unit Ⅲ：Government and Education 89
Chapter 7 The Federal System of Government by Patricia C．Acheson，from Our Federal Government：How It Works 90
Chapter 8 Too Soon Old，Too Late Wise by Evan Thomas with Adam Wolfberg，in Newsweek 108
Chapter 9 The Pursuit of Excellence by Jill Smolowe，in Time 121
Unit Ⅳ：Science and Technology 137
Chapter 10 Antarctica:Whose Continent Is It Anyway?by Daniel and Sally Grotta,in Popular Science 138
Chapter 11 A Messenger From the Past by James Shreeves,in Discover 151
Chapter 12 Is Time Travel Possible? by Mark Davidson，in USA Today 165
Index of Key Words 179
Answer Key 191