新科技英语阅读教程 上PDF电子书下载

Preface 1

Unit One 1

Part One Discourse Features 1

Preface 1

Sample A Preface 2

Sample B Editor's Foreword 5

Sample C Preface 13

Sample D Preface 20

Part Two Readings on Scientific Topics 26

Electronics 26

Passage A 26

Passage B 33

Passage C 37

Passage D 44

Unit Two 53

Part One Discourse Features 53

Definition 53

Sample A Analogy and Memory 61

Sample B The Heat Engine 66

Sample C Matter,Mass and Energy 73

Part Two Readings on Scientific Topics 81

Energy 81

Passage A 81

Passage B 92

Passage C 99

Passage D 104

Unit Three 113

Part One Discourse Features 113

Classification and Comparison 113

Sample A Surveying 117

Sample B Classification ofSmall Dams 123

Sample C Metals 130

Part Two Readings on Scientific Topics 136

Transport and Communication 136

Passage A 136

Passage B 145

Passage C 153

Unit Four 164

Part One Discourse Features 164

Structuer and System 164

Sample A And Now It is Pond Power 166

Sample B The Champion Scrubber—Polisher 172

Sample C Systems 178

Part Two Readings on Scientific Topics 184

The Living Sea 184

Passage A 184

Passage B 193

Passage C 206

Unit Five 219

Part One Discourse Features 219

Process 219

Sample A Pig—iron Production 221

Sample B Machine Papermaking 227

Sample C Whiskey Production 234

Part Two Readings on Scientific Topics 240

Industrial Civilization 240

Passage A 240

Passage B 247

Passage C 253

Glossary 260