UNIT1 1
Text A:Cyberspace:If You Don't Love It,Leave It 1
Text B:Machines Will Be Smarter than We Are 11
Practical Writing:Essential Techniques of Essay Writing 16
UNIT2 22
Text A:Can You Raise a Polite Kid in This Rude World? 22
Text B:The 50 Percent Catastrophe 36
Practical Writing:Patterns of Essay Development 40
UNIT3 46
Text A:Technology Remakes the Schools 46
Text B:Learning with Virtual Reality 57
Practical Writing:Patterns of Essay Development(continued) 63
UNIT4 67
Text A:Mother Tongue 67
Text B:Cross-cultural Differences 80
Practical Writing:Patterns of Essay Development(continued) 85
UNIT5 90
Text A:What on Earth Are We Doing? 90
Text B:A Bet on Planet Earth 102
Practical Writing:Writing for Practical Communication 107
UNIT6 113
Text A:No Signposts in the Sea 113
Text B:The Theory of Love 124
Practical Writing:Writing for Practical Communication(continued) 129
UNIT7 134
Text A:The Trial That Rocked the World 134
Text B:Struggle over the Role of Religion in the Classroom 148
Practical Writing:Curriculum Vitae 153
UNIT8 157
Text A:New Genes—New Hope or Future Disaster? 157
Text B:Are Your Genes to Blame? 168
Practical Writing:Abstract 172
UNIT9 176
Text A:Knowledge and Wisdom 176
Text B:Two Truths to Live by 187
Practical Writing:Writing for International Academic Conferences（Ⅰ） 193
UNIT10 198
Text A:Commencement Address at Stanford University 198
Text B:Presentation to IOC by Yang Lan 211
Practical Writing:Writing for International Academic Conferences（Ⅱ） 217