Unit 1 World Events 1
Lead-in 1
Text A World Expositions 2
Consolidation Exercises 8
Extension Exercises 10
Creative Exercises 11
Text B China and the Olympics 12
Unit 2 Love Stories 20
Lead-in 20
Text A The Model Millionaire 21
Consolidation Exercises 29
Extension Exercises 31
Creative Exercises 32
Text B Hills Like White Elephants 32
Unit 3 Environmental Threats 39
Lead-in 39
Text A The Most Endangered Glaciers 40
Consolidation Exercises 47
Extension Exercises 49
Creative Exercises 50
Text B Virus Invaders 51
Unit 4 Famous Speeches 60
Lead-in 60
Text A Duty,Honor,Country 61
Consolidation Exercises 67
Extension Exercises 69
Creative Exercises 70
Text B The Strenuous Life 71
Unit 5 Emotion and Mood 78
Lead-in 78
Text A Effects of Emotion and Mood 79
Consolidation Exercises 85
Extension Exercises 88
Creative Exercises 88
Text B Using Language to Improve Mood 89
Unit 6 Chinese Culture Heritage 98
Lead-in 98
Text A The Trip to Dujiangyan 99
Consolidation Exercises 106
Extension Exercises 108
Creative Exercises 109
Text B Dunhuang 110
Unit 7 Space Exploration 117
Lead-in 117
Text A Seeking New Earths 118
Consolidation Exercises 125
Extension Exercises 127
Creative Exercises 127
Text B Space Exploration 128
Unit 8 Stories About Marriage 135
Lead-in 135
Text A No Place to Hide 136
Consolidation Exercises 142
Extension Exercises 144
Creative Exercises 144
Text B Come Fishing 145
Unit 9 Energy 153
Lead-in 153
Text A Tapped out 154
Consolidation Exercises 160
Extension Exercises 163
Creative Exercises 163
Text B Plugging into the Sun 164
Unit 10 Gold 173
Lead-in 173
Text A The Price of Gold 174
Consolidation Exercises 181
Extension Exercises 183
Creative Exercises 184
Text B Gold:All That Glitters May Not Bring You Fortune 184
Unit 11 British People 191
Lead-in 191
Text A England Your England（Excerpt Ⅰ） 192
Consolidation Exercises 197
Extension Exercises 199
Creative Exercises 200
Text B England Your England（Excerpt Ⅱ） 200
Unit 12 Human Brain 208
Lead-in 208
Text A The Aging of Our Brain 209
Consolidation Exercises 217
Extension Exercises 219
Creative Exercises 219
Text B Several Steps to a Better Brain 220
Unit 13 Happiness and Humor 229
Lead-in 229
Text A The Hidden Side of Happiness 230
Consolidation Exercises 237
Extension Exercises 239
Creative Exercises 240
Text B On the Sense of Humor 241
Unit 14 Education 249
Lead-in 249
Text A The Origin and Development of the Chinese Examination System 250
Consolidation Exercises 258
Extension Exercises 260
Creative Exercises 261
Text B Why We Can't Get Rid of Failing Teachers 262
Unit 15 Human and Nature 271
Lead-in 271
Text A Buds and Bird-voices 272
Consolidation Exercises 277
Extension Exercises 280
Creative Exercises 281
Text B Solitude 282
Vocabulary 289
Bibliography 329