21世纪大学英语同步精讲 第3册PDF电子书下载

Unit One 1

Text A How I Got Smart 1

Ⅰ．Main Idea of the Text 1

Ⅱ．Outline of Each Part 1

Ⅲ．Questions and Answers to Check Students'Preview 1

Ⅳ．Comprehension of the Text 2

Ⅴ．Key to the Exercises of Text A 14

Ⅵ．Translation of Text A 18

Text B Coming of Age 20

Ⅰ．Questions and Answers to Check Students'Preview 20

Ⅱ．Comprehension of the Text 21

Ⅲ．Key to the Exercises of Text B 29

Ⅳ．Translation of Text B 29

Text C Romance and Reality 31

Ⅰ．Questions and Answers to Check Students'Preview 31

Ⅱ．Comprehension of the Text 32

Ⅲ．Key to the Exercises of Text C 39

Ⅳ．Translation of Text C 39

Supplementary Exercises 41

Key to Supplementary Exercises 43

Unit Two 44

Text A The Titanic Puzzle Should a good feminist accept priority seatin？Ⅰ．Main Idea of the Text 44

Ⅱ．Outline of Each Part 44

Ⅲ．Questions and Answers to Check Students'Preview 44

Ⅳ．Comprehension of the Text 45

Ⅴ．Key to the Exercises of Text A 58

Ⅵ．Translation of Text A 62

Text B Unjust Desserts 63

Ⅰ．Questions and Answers to Check Students'Preview 63

Ⅱ．Comprehension of the Text 64

Ⅲ．Key to the Exercises of Text B 71

Ⅳ．Translation of Text B 73

Text C Will You Go Out with Me? 74

Ⅰ．Questions and Answers to Check Students'Preview 74

Ⅱ．Comprehension of the Text 74

Ⅲ．Key to the Exercises of Text C 79

Ⅳ．Translation of Text C 79

Supplementary Exercises 80

Key to Supplementary Exercises 82

Unit Three 84

Text A The Sense of Wonder 84

Ⅰ．Main Idea of the Text 84

Ⅱ．Outline of Each Part 84

Ⅲ．Questions and Answers to Check Students'Preview 84

Ⅳ．Comprehension of the Text 85

Ⅴ．Key to the Exercises of Text A 101

Ⅵ．Translation of Text A 104

Text B The Innocent Eye 105

Ⅰ．Questions and Answers to Check Students'Preview 105

Ⅱ．Comprehension of the Text 106

Ⅲ．Key to the Exercises of Text B 117

Ⅳ．Translation of Text B 118

Text C If I Were 21 119

Ⅰ．Questions and Answers to Check Students'Preview 119

Ⅱ．Comprenemuon of the Text 120

Ⅲ．Ley to the Exercises of Text C 128

Ⅳ．？ 128

？Exerc？es 129

？Exercises 131

Unit Four 133

Text A ？Pressures 133

Ⅰ．Main Idea of the Text 133

Ⅱ．Outline of Each Part 133

Ⅲ．Questions and Answers to Check Students'Preview 133

Ⅳ．Comprehension of the Text 134

Ⅴ．Key to the Exercises of Text A 147

Ⅵ．Translation of Text A 149

Text B College Lectures:Is Anybody Listening? 151

Ⅰ．Questions and Answers to Check Students'Preview 151

Ⅱ．Comprehension of the Text 152

Ⅲ．Key to the Exercises of Text B 159

Ⅳ．Translation of Text B 160

Text C What Is College For? 162

Ⅰ．Questions and Answers to Check Students'Preview 162

Ⅱ．Comprehension of the Text 162

Ⅲ．Key to the Exercises of Text C 168

Ⅳ．Translation of Text C 169

Supplementary Exercises 170

Key to Supplementary Exercises 172

Unit Five 173

Text A The ABCs of the U.S.A.:America Seen with European Eyes 173

Ⅰ．Main Idea of the Text 173

Ⅱ．Outline of Each Part 173

Ⅲ．Questions and Answers to Check Students'Preview 173

Ⅳ．Comprehension of the Text 174

Ⅴ．Key to the Exercises of Text A 187

Ⅵ．Translation of Text A 191

Text B American Values and Assumptions 193

Ⅰ．Questions and Answers to Check Students'Preview 193

Ⅱ．Comprehension of the Text 194

Ⅲ．Key to the Exercises of Text B 201

Ⅳ．Translation of Text B 201

Text C A Foreign Anthropologist's Observation of Americans 203

Ⅰ．Questions and Answers to Check Students'Preview 203

Ⅱ．Comprehension of the Text 204

Ⅲ．Key to the Exercises of Text C 207

Ⅳ．Translation of Text C 207

Supplementary Exercises 208

Key to Supplementary Exercises 210

Unit Six 212

Text A Every 23 Minutes 212

Ⅰ．Main Idea of the Text 212

Ⅱ．Outline of Each Part 212

Ⅲ．Questions and Answers to Check Students'Preview 212

Ⅳ．Comprehension of the Text 213

Ⅴ．Key to the Exercises of Text A 222

Ⅵ．Translation of Text A 224

Text B Needed:A License to Drink 226

Ⅰ．Questions and Answers to Check Students'Preview 226

Ⅱ．Comprehension of the Text 227

Ⅲ．Key to the Exercises of Text B 232

Ⅳ．Translation of Text B 233

Text C My Daughter Smokes 235

Ⅰ．Questions and Answers to Check Students'Preview 235

Ⅱ．Comprehension of the Text 235

Ⅲ．Key to the Exercises of Text C 238

Ⅳ．Translation of Text C 239

Supplementary Exercises 240

Key to Supplementary Exercises 242

Unit Seven 243

Text A So What's So Bad About Being So-So? 243

Ⅰ．Main Idea of the Text 243

Ⅱ．Outline of Each Part 243

Ⅲ．Questions and Answers to Check Students'Preview 243

Ⅳ．Comprehension of the Text 244

Ⅴ．Key to the Exercises of Text A 252

Ⅵ．Translation of Text A 255

Text B Stripping Down to Bare Happiness 257

Ⅰ．Questions and Answers to Check Students'Preview 257

Ⅱ．Comprehension of the Text 258

Ⅲ．Key to the Exercises of Text B 265

Ⅳ．Translation of Text B 266

Text C Quality of Life Is Much More Than a Job 267

Ⅰ．Questions and Answers to Check Students'Preview 267

Ⅱ．Comprehension of the Text 268

Ⅲ．Key to the Exercises of Text C 271

Ⅳ．Translation of Text C 271

Supplementary Exercises 272

Key to Supplementary Exercises 274

Unit Eight 276

Text A The Highs of Low Technology 276

Ⅰ．Main Idea of the Text 276

Ⅱ．Outline of Each Part 276

Ⅲ．Questions and Answers to Check Students'Preview 276

Ⅳ．Comprehension of the Text 277

Ⅴ．Key to the Exercises of Text A 288

Ⅵ．Translation of Text A 291

Text B Why I'm Not Going to Buy a Computer 292

Ⅰ．Questions and Answers to Check Students'Preview 292

Ⅱ．Comprehension of the Text 293

Ⅲ．Key to the Exercises of Text B 301

Ⅳ．Translation of Text B 302

Text C Obsolete Technology 303

Ⅰ．Questions and Answers to Check Students'Preview 303

Ⅱ．Comprehension of the Text 304

Ⅲ．Key to the Exercises of Text C 309

Ⅳ．Translation of Text C 310

Supplementary Exercises 311

Key to Supplementary Exercises 313

Unit Nine 314

Text A Space Politics 314

Ⅰ．Main Idea of the Text 314

Ⅱ．Outline of Each Part 314

Ⅲ．Questions and Answers to Check Students'Preview 314

Ⅳ．Comprehension of the Text 315

Ⅴ．Key to the Exercises of Text A 325

Ⅵ．Translation of Text A 328

Text B Message to the Unknown 330

Ⅰ．Questions and Answers to Check Students'Preview 330

Ⅱ．Comprehension of the Text 331

Ⅲ．Key to the Exercises of Text B 336

Ⅳ．Translation of Text B 337

Text C Your Future In Space 339

Ⅰ．Questions and Answers to Check Students'Preview 339

Ⅱ．Comprehension of the Text 339

Ⅲ．Key to the Exercises of Text C 343

Ⅳ．Translation of Text C 343

Supplementary Exercises 345

Key to Supplementary Exercises 347

Unit Ten 348

Text A Plain Talk About Handling Stress 348

Ⅰ．Main Idea of the Text 348

Ⅱ．Outline of Each Part 348

Ⅲ．Questions and Answers to Check Students'Preview 348

Ⅳ．Comprehension of the Text 350

Ⅴ．Key to the Exercises of Text A 366

Ⅵ．Translation of Text A 370

Text B Energy Walks 372

Ⅰ．Questions and Answers to Check Students'Preview 372

Ⅱ．Comprehension of the Text 373

Ⅲ．Key to the Exercises of Text B 382

Ⅳ．Translation of Text B 383

Text C Five Methods I Have Used to Banish Worry 385

Ⅰ．Questions and Answers to Check Students'Preview 385

Ⅱ．Comprehension of the Text 385

Ⅲ．Key to the Exercises of Text C 389

Ⅳ．Translation of Text C 389

Supplementary Exercises 391

Key to Supplementary Exercises 392