21世纪大学英语助读 Book 3PDF电子书下载

Unit One 1

Text A How I Got Smart 1

Text B Coming of Age 14

Text C Romance and Reality 23

课本部分练习题参考答案 25

Supplementary Exercises 27

Unit Two 32

Text A The Titanic Puzzle Should a good feminist accept priority seating on a lifeboat? 32

Text B Unjust Desserts 45

Text C Will You Go Out with Me? 51

课本部分练习题参考答案 52

Supplementary Exercises 54

Unit Three 59

Text A The Sense of Wonder 59

Text B The Innocent Eye 75

Text C If I Were 21 85

课本部分练习题参考答案 86

Supplementary Exercises 88

Unit Four 93

Text A College Pressures 93

Text B College Lectures: Is Anybody Listening? 106

Text C What Is College for? 114

课本部分练习题参考答案 116

Supplementary Exercises 118

Unit Five 123

Text A The ABCs of the U. S. A: America Seen with European Eyes 123

Text B American Values and Assumptions 134

Text C A Foreign Anthropologist s Observation of Americans 141

课本部分练习题参考答案 142

Supplementary Exercises 144

综合测试一 149

Unit Six 156

Text A Every 23 Minutes 156

Text B Needed: A License to Drink 169

Text C My Daughter Smokes 178

课本部分练习题参考答案 179

Supplementary Exercises 180

Unit Seven 185

Text A So What s So Bad About Being So-so? 185

Text B Stripping Down to Bare Happiness 197

Text C Quality of Life Is Much More Than a Job 204

课本部分练习题参考答案 206

Supplementary Exercises 207

Unit Eight 212

Text A The Highs of Low Technology 212

Text B Why I m Not Going to Buy a Computer 224

Text C Obsolete Technology 231

课本部分练习题参考答案 232

Supplementary Exercises 235

Text A Space Politics 240

Unit Nine 240

Text B Message to the Unknown 249

Text C Your Future in Space 257

课本部分练习题参考答案 258

Supplementary Exercises 260

Unit Ten 265

Text A Plain Talk About Handling Stress 265

Text B Energy Walks 278

Text C Five Methods I Have Used to Banish Worry 288

课本部分练习题参考答案 289

Supplementary Exercises 291

综合测试二 296

CET-6 全真模拟试题 303

CET-6 全真模拟试题答案 312

附录一 课文参考译文（Unit 1～10） 315

附录二 同步练习参考答案（Unit 1～10） 353

附录三 综合测试答案 361

附录四 INDEX 363