科技英语泛读教程PDF电子书下载

Unit One 1

Text A Alfred Nobel—A Man of Contrasts 1

Text B He Led a Useful Life 6

Unit Two 11

Text A Alexander Graham Bell 11

Text B The Laser 19

Unit Three 24

Text A Oxidation 24

Text B Radar 29

Text A This is M.I.T 34

Unit Four 34

Text B Educational Resources at M.I.T 40

Unit Five 45

Text A Water Supplies—A Growing Problem 45

Text B The Great Changes of the Surface of the Earth 49

Unit Six 54

Text A What Is Artificial Intelligence? 54

Text B Science and the Future 60

Unit Seven 65

Text A Selecting a Personal Computer System 65

Text B Multimedia 70

Text A Database 76

Unit Eight 76

Text B Computer Viruses 81

Unit Nine 88

Text A Introduction to Control Engineering 88

Text B Applications of Automatic Control 93

Unit Ten 99

Text A What Is Electricity? 99

Text B Electricity and Electronics 104

Unit Eleven 108

Text A Electric Power System 108

Text B Electric System Monitoring 116

Text A Hydro-electric Power 122

Unit Twelve 122

Text B Direct Current Generators and Motors 131

Unit Thirteen 138

Text A How a Coal-fired Power Plant Works 138

Text B Fossil-fuel Boilers for Electric Utilities 143

Unit Fourteen 150

Text A Nuclear Power Plants 150

Text B Solar Energy 156

Unit Fifteen 162

Text A Electric Power Substations and Transformers 162

Text B Computers and the Electric Power Industry 168