Unit 1 Information Technology 1
Unit 2 Speeding on the Data Highway 5
Unit 3 What are Biorhythms？ 9
Unit 4 A New Concept for Spacecraft Tiles 13
Unit 5 Good Effects of El Nino 18
Unit 6 Scientific Researches on Body’s Rhythms 23
Unit 7 End of the PC Era 28
Unit 8 Catching the Third Wave 33
Unit 9 Waves from Space 38
Unit 10 China’s Reform and Information Technology Industry 44
Unit 11 Alternative Energy Sources 50
Unit 12 The Biotech Century 55
Unit 13 World Wide Web 61
Unit 14 The International Space Station 67
Unit 15 Green Revolution 73
Unit 16 A Brave New Olfactory World 80
Unit 17 What is a Scientific Theory？ 87
Unit 18 Space Travel in the Future 93
Unit 19 How the Internet Works 100
Unit 20 Digital Storage Oscilloscopes 107
Unit 21 The Web Lifestyle 114
Unit 22 Marketing on the Internet 120
Unit 23 Envoirmental Protection and Pollution Treatment 126
Unit 24 A Clean World or a Polluted World？ 133
Unit 25 E-mail Phones 140
Unit 26 Bill Gates’Speech to Tsinghua University 147
Unit 27 New Findings from the Latest Scientific Research 155
Unit 28 The Next Revolution in Computers 163
Unit 29 The Age of Cloning 172
Unit 30 Virtual Reality Technology 181
Practice Exercises 191
Practice Exercise 1 191
Practice Exercise 2 203
Practice Exercise 3 215
Practice Exercise 4 227
Practice Exercise 5 239
Key to Practice Exercises 251