《科技英语读本 上册》

PRELIMINARY PART1

UNIT Ⅰ1

The English Alphabet英语字母表1

The Sounds in English 英语国际音标3

Lesson One Text5

Lesson Two Text9

Lesson Three Text14

Lesson Four Text18

Lesson Five Text24

Lesson Six Text31

UNIT Ⅱ41

Lesson Seven：Text：States of Matter41

Lesson EightText：The Wonderful Worker—50

Lesson Nine Text：The Sun’s Family59

Lesson Ten Text：What Is an Alloy？70

Lesson Eleven Text：The TV Set77

Lesson Twelve Text：Marie Curie88

Lesson Thirteen Text：The Surface of the Sea100

BASIC PART110

UNIT Ⅲ110

Lesson Fourteen Text：The Use of Radar110

Lesson FifteenText：Coal and Oil121

Lesson Sixteen Text：A Talk about Laser132

UNIT Ⅳ148

Lesson SeventeenText：Something about Air148

Lesson Eighteen Text：What Is a Sketch？160

Lesson Nineteen Text：Light171

Lesson Twenty Text：Rock Salt182

Lesson Twenty-One Text：Natural and Synthetic193

Lesson Twenty-Two Text：Hot Metal206

UNIT Ⅴ224

Lesson Twenty-ThreeText：Plastics224

Lesson Twenty-Four Text：Sulfa Drugs237

Lesson Twenty-Five Text：Bits of Electricity249

Lesson Twenty-Six Text：Sound262

Lesson Twenty-Seven Text：The First Radio Wave278

Lesson Twenty-Eight Text：Thomas Edison’s293

Lesson Twenty-Nine Text：Thomas Edison’s306

Lesson Thirty Text：Air Pollution317

Appendix327

1．Vocabulary List分课词汇表327

2．Reference Materials for Pronunciation375

3．Irregular Verbs in Book One393

4．Materials for Free Reading自由阅读材料396

5．Elementary Words基本词汇（供初学者用）415

6．Answers to Exercises in Book One431

Index Words and Phrases Used in Book One480