英语精读PDF电子书下载

Table of ContentsLesson One Opening Speech 1

Lesson Two What Is'Good English'? 16

Lesson Three Teehnological Forecasting 29

Lesson Four The Long Habit 46

Lesson Five What Science Can Do 71

Lesson Six The Laser 86

Lesson Seven How Satellites Will ChangeYour Life 103

Lesson Eight In Search of Excellence—Simplicity and Complexity 126

Lesson Nine A Robot About the House 148

Lesson Ten On Not Answering the Tel-ephone 166

Lesson Eleven Introduction to Problem Solving and Computer Programming 190

Lesson Twelve Three Days toSee 208

Lesson Thirteen Metals in the ElectronioAge 227

Lesson Fourteen Can Life Exist on the Planets? 247

Lesson Fifteen How to Avoid Foolish Opinions 265

Lesson Sixteen Addreses Made by Presid-entAbraham Lincoln 281

Keys to Exercises 300