Unit 1 Telecommuters 1
Unit 2 Meet My Friend 8
Unit 3 Energy Sense Makes Future Sense 13
Unit 4 Computer Viruses 18
Unit 5 Big Number and Infinities 26
Unit 6 The Development of Civilization 30
Unit 7 The 21st Century Vehicles 35
Unit 8 The Second Information Revolution 42
Unit 9 What Computer Can Do for the Future 51
Unit 10 Health Effects of Smog:Worse than Thought 58
Unit 11 High-Definition TV 64
Unit 12 What Is Multimedia,Anyway? 70
Unit 13 Levitating Trains 76
Unit 14 Earthquake:Experts Shaken 83
Unit 15 The Credit Card Economy 89
Unit 16 Electronic Mail 97
Unit 17 A Distinguished Recommendation 106
Unit 18 Oil 113
Unit 19 The Current State of the World Environment 121
Unit 20 What's Wrong with Our Weather 129
Unit 21 The Future of International Trade 137
Unit 22 A Shot Across the Earth Bow 146
Unit 23 An English-Speaking World 156
Unit 24 Far-out Music 165
Unit 25 New Scientific Breakthroughs 173
Unit 1 远程办公 183
参考译文 183
Unit 2 人机对话 187
Unit 3 能源与未来 189
Unit 4 计算机病毒 192
Unit 5 大数和无穷数 196
Unit 6 文明的发展 198
Unit 7 21世纪的汽车 200
Unit 8 第二次信息革命 203
Unit 9 计算机的巨大功效 206
Unit 10 烟雾对健康的危害：超乎想像 208
Unit 11 高清晰度电视 211
Unit 12 究竟什么是多媒体 213
Unit 13 磁悬浮列车 215
Unit 14 地震使科学家困惑 218
Unit 15 信用卡经济 220
Unit 16 电子函件：新时代的通讯 223
Unit 17 一封杰出的推荐信 226
Unit 18 油 228
Unit 19 世界环境现状 231
Unit 20 我们的气候怎么了? 234
Unit 21 世界贸易的前途 237
Unit 22 警告地球 240
Unit 23 说英语的世界 244
Unit 24 送往太空的音乐 247
Unit 25 科技发展新突破 250