Unit One Greetings 1
Conversations 1
Passage Ⅰ No One Stops to Say"Thank You"Anymore 3
Passage Ⅱ Whatever Happened to Manners? 5
Words and Expressions 6
Notes 8
Exercises 10
Supplementary Reading:Ban Cellphones 18
Unit Two Make-ups 20
Conversations 20
Passage Ⅰ Love Has Many Definitions 21
Passage Ⅱ One Man's Rough Road to Salvation 23
Words and Expressions 25
Notes 26
Exercise 28
Supplementary Reading:Under the Weather 36
Unit Three Attitudes 40
Conversations 40
Passage Ⅰ One's Life Attitude Is Important 41
Passage Ⅱ Two Ways of Looking at Life 43
Words and Expressions 44
Notes 46
Exercises 47
Supplementary Reading:A New Working Revolution 55
Unit Four Possibility 58
Conversations 58
Passage Ⅰ Why Do We Believe That The Earth Is Round? 59
Passage Ⅱ Are There Strangers in Space? 61
Words and Expressions 62
Notes 64
Exercises 65
Supplementary Reading:What I Admire About China 73
Unit Five Emotions 76
Conversations 76
Passage Ⅰ Don't Wait to Give Daddy a Hug 76
Passage Ⅱ Parson's Pleasure 79
Words and Expressions 81
Notes 82
Exercises 83
Supplementary Reading:Wrong Way to Help the Homeless 91
Unit Six Warning 93
Conversations 93
Passage Ⅰ Writing Between the Lines 94
Passage Ⅱ Three Days to See 96
Words and Expressions 99
Notes 100
Exercises 101
Supplementary Reading:The Easy-Does-It Diet 109
Unit Seven Time 111
Conversations 111
Passage Ⅰ Time Machine 111
Passage Ⅱ In Seven Minutes 114
Words and Expressions 116
Notes 118
Exercises 119
Supplementary Reading:The Little Boat That Sailed Through Time 127
Unit Eight Existence 130
Conversations 130
Passage Ⅰ Father and Son 131
Passage Ⅱ A Global Challenge 135
Words and Expressions 138
Notes 139
Exercises 140
Supplementary Reading:Why We Walk in Circles 149
Unit Nine Space 151
Conversations 151
Passage Ⅰ Return to the Red Planet 153
Passage Ⅱ Problem Solving Made Easier 155
Words and Expressions 156
Notes 158
Exercises 159
Supplementary Reading:Simple Secrets of Family Communication 168
Unit Ten Number 171
Conversations 171
Passage Ⅰ Refugees 174
Passage Ⅱ A Short Way of Checking the Answers in Arithmetic 176
Words and Expressions 178
Notes 180
Exercises 181
Supplementary Reading:Shame 189
Unit Eleven Material 192
Conversations 192
Passage Ⅰ Paper and Its Uses 193
Passage Ⅱ Ground Water:The Invisible and Endangered Resource 195
Words and Expressions 197
Notes 198
Exercises 199
Supplementary Reading:The Gift of Understanding 208
Unit Twelve Ways and Means 211
Conversations 211
Passage Ⅰ How to Come Out on Top in Interview 213
Passage Ⅱ Shifting Employment Patterns 214
Words and Expressions 216
Notes 217
Exercises 217
Supplementary Reading:Looking for a Job 226
Unit Thirteen Function 228
Conversations 228
Passage Ⅰ Universities and Their Functions 229
Passage Ⅱ The Credit Card Economy 231
Words and Expressions 232
Notes 234
Exercises 235
Supplementary Reading:The Telephone 243
Unit Fourteen Argument Presentation 245
Conversations 245
Passage Ⅰ Does Sleep Help You Study? 247
Passage Ⅱ Can It Be Changed? 249
Words and Expressions 250
Notes 252
Exercises 253
Supplementary Reading:Students Learn On-the-job 262
Unit Fifteen Calculation and Measurement 264
Conversations 264
Passage Ⅰ Buried Sunshine Heats Sports Centers 265
Passage Ⅱ The World at War 267
Words and Expressions 270
Notes 271
Exercises 273
Supplementary Reading:Speak English—Not Chinglish 280
Unit Sixteen Composition 282
Conversations 282
Passage Ⅰ Work 283
Passage Ⅱ Ethics and the Natural World 285
Words and Expressions 286
Notes 288
Exercises 289
Supplementary Reading:Educational Jargon Explained 297
Unit Seventeen Relations 300
Conversations 300
Passage Ⅰ Die as You Choose 301
Passage Ⅱ From Culture to Culture 303
Words and Expressions 305
Notes 308
Exercises 309
Supplementary Reading:Traveling Students 317
附录一：单元练习录音稿 320
附录二：单元练习答案 370
附录三：全国英语等级考试第四级全真模拟试题、听力原文及答案 404
全国英语等级考试第四级全真模拟试题、听力原文及答案（一） 404
全国英语等级考试第四级全真模拟试题、听力原文及答案（二） 428
全国英语等级考试第四级全真模拟试题、听力原文及答案（三） 449
全国英语等级考试第四级全真模拟试题、听力原文及答案（四） 469
全国英语等级考试第四级全真模拟试题、听力原文及答案（五） 489