高级科技英语阅读教程PDF电子书下载

Unit 1 An American Renaissance in the Next Century 1

Unit 2 World Food and Natural Resources Outlook in Next Century 41

Unit 3 New Developments for an Information-Oriented society 52

Unit 4 The Tasty Tomato and Other Future Marvels 65

Unit 5 China' s Food 78

Unit 6 Science Education for a New Age and University of the 21st Century 98

Unit 7 The Second Information Revolution 114

Unit 8 Eat More,Weigh Less,Feel Great 126

Unit 9 The Men and the Earth Where to Go 138

Unit 10 Simple Ways You Can Help Save the Earth 149

Unit 11 Acid Rain—An Unwelcome Export 159

Unit 12 Ecology and Its Scope 172

Unit 13 Genetics and Genetic Engineering 184

Unit 14 The Scienc That imitates Natural Mechanism 197

Unit 15 Cryogenics—Not a Common Cold 212

Unit 16 What Are Computers 226

Unit 17 Laser 242

Unit 18 Next to Oxygen 254

Unit 19 Atmosophere Science 265

Unit 20 Oceanographers and Their Works 278

Unit 21 Man Searches for Life in Space 292

Unit 22 Mechanization and Aotomation 307

Unit 23 High-Tech Environmentalism 321

Unit 24 Developing Animal Resources 335

Unit 25 Tree Planting Practices for Arid Zones 347

Unit 26 Growing By Leaps and Triangles 358

Unit 27 General Agreement and Tariffs and Trade 372

Unit 28 The Cash- Free Society 384

Unit 29 Applying Management science 394