高职高专英语 科技英语PDF电子书下载

Unit One Telecommunications 1

Unit Two Weight On and Off the Earth 12

Unit Three Steel 22

Unit Four Problems of Space Travel 33

Unit Five Nuclear Power 44

Unit Six The First Aeroplanes 54

Unit Seven Oil 65

Unit Eight Thomas Edison's Inventions 76

Unit Nine Civil Engineering 86

Unit Ten Bees and Colour 99

Unit Eleven Electronics 109

Unit Twelve How Computer Viruses Work 121

Unit Thirteen Shipbuilding 132

Unit Fourteen The Beginning of the Air Mail 143

Unit Fifteen Lasers 152

Unit Sixteen Atoms and Elements 164

Unit Seventeen Statistics 175

Unit Eighteen Dinosaurs——Their Discovery and Their World 186

Unit Nineteen Plastics 198

Unit Twenty Anaesthetics 210

Appendix:Vocabulary of Science＆Technology 219

Keys to Preparation for CET 237

References 239