高等学校教材 英语教程 理工科用 第4册PDF电子书下载

Lesson One 2

Text:Can a Computer Think? 11

Lesson Two 11

Text:Star Wars—and Einstein 21

Lesson Three 21

Text:Are There Strangers in Space?Lesson Four 35

Text:Noise and the Worker 47

Lesson Five 47

Text:Alfred Nobel—a Man of ContrastsLesson Six 61

Text:The Years of the Quiet SunLesson Seven 73

Text:A Visitor from the Past 85

Lesson Eight 85

Text:The Discovery of RadioactivityLesson Nine 100

Text:Transport in the Future:Air or Sea?Lesson Ten 117

Text:Saving the Left-overs 133

Lesson Eleven 133

Text:A Robot about the House 151

Lesson Twelve 151

Text:Metals in the Electronic AgeSUPPLEMENTARY READINGSⅠ Why Read Faster? 170

Ⅱ Introduction 174

Ⅲ Filmless Cameras May Lead Next Boom in Pho-tography 181

Ⅳ Interest Is Growing in Plastics That Can Con-duct Electricity 185

Ⅴ The Age of the Sun 188

Ⅵ Big Numbers and Infinities 192

Ⅶ Too Many People? 200

Ⅷ Scientific Knowledge and the Young Scientist 206

Ⅸ Gettysburg Address 212

Ⅹ Dr.Bethune Speaks at the Opening of a New Army Hospital 214

APPENDIXES 220

APPENDIX Ⅰ 220

1．Business Letters 220

2．Abstracts 224

3．Book Reviews 226

4．Instructions to Experiments 231

5．Laboratory Reports 238

6．Instruction Manual 250

APPENDIX Ⅱ 260

Irregular Verbs 260

APPENDIX Ⅲ 261

Vocabulary 261