高级英语阅读 自然科学篇 Natural science studiesPDF电子书下载

Contents 1

Unit One Introduction to Science 1

Text A:What Is Science? 1

Text B:A Brief History of Science 6

Text C:The Branches of Science 19

Unit Two Technology 26

Text A:Disappearing Through the Skylight 26

Text B:The Computer—Invention of the Century 32

Text C:Introduction to PC Hardware 38

Unit Three Engineering 45

Text A:Genetically Modified Foods 45

Text B:Introduction to Engineering 51

Text C:More Power to You 59

Unit Four Environment 63

Text A:Ships in the Desert 63

Text B:Introduction to Environmental Problems 72

Text C:Energy Exploration and Environment 80

Unit Five Medicine 84

Text A:Why the Resurgence? 84

Text B:Introduction to Medicine 89

Text C:Bird Flu:What Are the Risks? 96

Unit Six Life Science 101

Text A:The Cloning of Dolly 101

Text B:Introduction to Biology:The Science of Our Lives 106

Text C:Progesterone:The Drug of Pregnancy 110

Text A:Natural Causes of Climate Change 117

Unit Seven Geography 117

Text B:Introduction to Geography 127

Text C:The Three Gorges Dam Project 134

Unit Eight Geology 140

Text A:In Search of the Elusive Megaplumes 140

Text B:Introduction to Geology 147

Text C:Meet a Geologist 160

Unit Nine Astronomy 165

Text A:Galaxies 165

Text B:Introduction to Astronomy 172

Text C:The Solar System 179

Unit Ten Space Science 186

Text A:The Space Shuttle 186

Text B:Satellites 195

Text C:China's First Spaceman Yang Liwei 201

Unit Eleven Mathematics 207

Text A:A History of Zero 207

Text B:A Brief Introduction to Mathematics 217

Text C:An Overview of the History of Mathematics 230

Unit Twelve Physics 236

Text A:Searching For Extraterrestrials 236

Text B:Physics and the Information Revolution 244

Text C:Hawking Loses Black Hole Bet 253

Unit Thirteen Chemistry 257

Text A:The Genome Is Mapped 257

Text B:Introduction to Chemistry 264

Text C:The Chemistry of Life 269

Glossary 273