科技英语 进修班PDF电子书下载

Lesson One The Nature of Light 1

Lesson Two How Did Magnetism Get Its Name? 12

Lesson Three How Does A Rocket Work? 23

Lesson Four Blood Types 35

Lesson Five Sir Isaac Newton 47

Lesson Six Black Holes 58

Lesson Seven XRays 69

Lesson Eight The Copernican Revolution 82

Lesson Nine The Migration of Eirds 93

Lesson Ten Air Pollution 104

Lesson Eleven Future of the Automobile 117

Lesson Twelve Preparatory Stages of Sleep 131

Lesson Thirteen Care of the Teeth 142

Lesson Fourteen Comets 157

Lesson Fifteen Ants 171

Lesson Sixteen What Is Life? 188

Lesson Seventeen Liquid Crystal 201

Lesson Eighteen Cancer 215

Lesson Nineteen Cloning A Human 229

Lesson Twenty Application of Mathematics 243

附录 258

中译英答案 258

课文参考译文 275

总词汇表 326