《21世纪大学英语·读写教程》 第1册 疑难详解与同步测试PDF电子书下载

Unit 1 1

Text A　Secrets of A Students 1

Text B　Bittersweet Memories 9

Text C　Leaving 14

同步测试 16

Unit 2 25

Text A Conversational Ballgames 25

Text B English as a Universal Language 32

Text C How to Improve Your Vocabulary 36

同步测试 40

Unit 3 48

Text A Stevie Wonder:Sunshine in the Shadow 48

Text B We Are What We Think We Are 54

Text C Her Newly-discovered Self 59

同步测试 63

Unit 4 71

Text A The Washwoman 71

Text B A Good Name 75

Text C This Is Why Jordan Is Jordan 81

同步测试 82

Unit 5 91

Text A The language of Compromise 91

Text B Easy ways to Avoid an Argument 95

Text C "Good Morning,Neighbor!" 99

同步测试 102

Test Paper 1 110

Unit 6 122

Text A Nerds and Geeks 122

Text B Our Changing Lifestyle:Trends and Fads 127

Text C Popularity that Counts 130

同步测试 133

Unit 7 141

Text A I Became Her Target 141

Text B Firm,Fair,and Friendly 154

Text C The Magic Pebbles 160

同步测试 163

Unit 8 172

Text A Foreword 172

Text B Smart Machines:Our Tireless Helpers 182

Text C The Internet 189

同步测试 192

Unit 9 201

Text A Hothouse Earth 201

Text B The Population Problem:Everybody's Baby 210

Text C Dangers to the Environment 213

同步测试 215

Unit 10 223

Text A Cloning:Good Science or Baaaad Idea 223

Text B Internet Helps Solve a Medical Mystery 228

Text C Fuzzy Logic Smart Machines 232

同步测试 234

Test Paper 2 242

测试参考答案 254