Unit One Is There Life on Earth？ 地球上有生命吗？ 1
Part Ⅰ Key Words,Phrases and Expressions 1
Part Ⅱ DifficultSentences and Structures 14
Part Ⅲ Chinese Translation of the Text 15
Part Ⅳ Exercises 17
Unit Two The Dinner Party 晚宴 28
Part Ⅰ Key Words,Phrases and Expressions 28
Part Ⅱ Difficult Sentences and Structures 37
Part Ⅲ Chinese Translation of the Text 38
Part Ⅳ Exercises 40
Unit Three Lessons from Jefferson 杰斐逊的遗训 53
Part Ⅰ Key Words,Phrases and Expressions 53
Part Ⅱ Difficult Sentences and Structures 59
Part Ⅲ Chinese Translation of the Text 60
Part Ⅳ Exercises 62
Unit Four My First Job 我的第一份工作 75
Part Ⅰ Key Words,Phrases and Expressions 75
Part Ⅱ Difficult Sentences and Structures 81
Part Ⅲ Chinese Translation of the Text 82
Part Ⅳ Exercises 84
Unit Five The Professor and the Yo-Yo 教授与玩具悠悠 96
Part Ⅰ Key Words,Phrases and Expressions 96
Part Ⅱ Difficult Sentences and Structures 102
Part Ⅲ Chinese Translation of the Text 103
Part Ⅳ Exercises 105
Part Ⅰ Key Words,Phrases and Expressions 117
Unit Six The Making of a Surgeon 外科医师的成功之道 117
Part Ⅱ Difficult Sentences and Structures 124
Part Ⅲ Chinese Translation of the Text 125
Part Ⅳ Exercises 127
Unit Seven There's Only Luck 全靠运气 140
Part Ⅰ Key Words,Phrases and Expressions 140
Part Ⅱ Difficult Sentences and Structures 146
Part Ⅲ Chinese Translation of the Text 147
Part Ⅳ Exercises 149
Unit Eight Honesty:Is It Going out of Style？ 诚实：难道它正在变得不合时宜？ 162
Part Ⅰ Key Words,Phrases and Expressions 162
Part Ⅱ Difficult Sentences and Structures 167
Part Ⅲ Chinese Translation of the Text 168
Part Ⅳ Exercises 170
Unit Nine What Is Intelligence,Anyway？ 智力到底是什么？ 183
Part Ⅰ Key Words,Phrases and Expressions 183
Part Ⅱ Difficult Sentences and Structures 190
Part Ⅲ Chinese Translation of the Text 191
Part Ⅳ Exercises 192
Unit Ten Profits of Praise 赞扬的好处 205
Part Ⅰ Key Words,Phrases and Expressions 205
Paar Ⅱ Difficult Sentences and Structures 211
Part Ⅲ Chinese Translation of the Text 212
Part Ⅳ Exercises 215
Appendix Ⅰ Key to Exercises 228
Appendix Ⅱ Key to Exercises of the Texts 238
Appendix Ⅲ Chinese Translations of the Reading Passages 285