大学英语PDF电子书下载

Unit One 1

Section A Reading Activities 1

Text A The Truth About College Teachers 1

Text B Cloning 14

Section B Listening and Speaking 18

Section C Grammar Items：动词的时态 19

Section D Practical Writing：段落的统一性和连贯性 25

Unit Two 29

Section A Reading Activities 29

Text A The Four Marks of Leadership 29

Text B There's Only Lucks 38

Section B Listening and Speaking 42

Section C Grammar Items：语态 45

Section D Practical Writing：简历 49

Unit Three 52

Section A Reading Activities 52

Text A Space Effort 52

Text B Law and Order 59

Section B Listening and Speaking 64

Section C Grammar Items：词类和句子成分 66

Section D Practical Writing：段落结构、主题句 68

Unit Four 73

Section A Reading Activities 73

Text A The Gratitude We Need 73

Text B Firearms and Gun Controls 81

Section B Listening and Speaking 86

Section C Grammar Items：句子类型与基本句型 88

Section D Practical Writing：扩展句、结尾句 91

Unit Five 97

Section A Reading Activities 97

Text A So What's So Bad About Being So-So？ 97

Text B Shopping in the United States 106

Section B Listening and Speaking 110

Section C Grammar Items：名词性从句 112

Section D Practical Writing：应试作文 116

Unit Six 124

Section A Reading Activities 124

Text A The ABCs of the U.S.A.:America Seen with European Eyes 124

Text B Merchants of Death 135

Section B Listening and Speaking 143

Section C Grammar Items：分词 145

Section D Practical Writing：邀请信 150

Unit Seven 155

Section A Reading Activities 155

Text A Scientists Try to Find out What's So Funny about Humour 155

Text B The Innocent Eye 161

Section B Listening and Speaking 168

Section C Grammar Items：形容词性从句 171

Section D Practical Writing：电子邮件与传真 174

Unit Eight 184

Section A Reading Activities 184

Text A The Earth Day 184

Text B Mountaineering 189

Section B Listening and Speaking 192

Section C Grammar Items：动词不定式 195

Section D Practical Writing：合同 199

Unit Nine 205

Section A Reading Activities 205

Text A US Presidents and Chinese Chopsticks 205

Text B Sam Adams,Industrial Engineer 208

Section B Listening and Speaking 213

Section C Grammar Items：虚拟语气 215

Section D Practical Writing：申请信 221

Unit Ten 226

Section A Reading Activities 226

Text A Unjust Desserts 226

Text B Is a Large Asteroid Headed for Impact with the Earth in 2 880? 230

Section B Listening and Speaking 236

Section C Grammar Items：副词性从句 239

Section D Practical Writing：四、六级作文 243

Unit Eleven 248

Section A Reading Activities 248

Text A The Computer Virus 248

Text B Sleep:Your Body's Means of Rejuvenation 252

Section B Listening and Speaking 256

Section C Grammar Items：动名词 258

Section D Practical Writing：便条 261