Book One 1
Unit 1 How to Improve Your Study Habits 怎样改进你的学习习惯 1
Unit 2 Sailing Round the World 环球航行 15
Unit 3 The Present 礼物 26
Unit 4 Turning Off T. V.: A Quiet Hour 关上电视机：清静一小时 36
Unit 5 A Miserable,Merry Christmas 又悲又喜的圣诞节 46
Unit 6 Sam Adams,Industrial Engineer 工业管理工程师萨姆·亚当斯 57
Unit 7 The Sampler 品尝家 68
Unit 8 You Go Your Way, I ll Go Mine 各走各的路 80
Unit 9 The Brain 大脑 89
Unit 10 Going Home 回家 100
Unit 1 Is There Life on Earth? 地球上有生命吗? 110
Book Two 110
Unit 2 The Dinner Party 晚宴 119
Unit 3 lessons from Jefferson 杰斐逊的遗训 129
Unit 4 My First Job 我的第一个工作 141
Unit 5 The Professor and the Yo-Yo 教授和玩具约约 149
Unit 6 The Making of Surgeon 外科医生的之道 159
Unit 7 There s Only Luck 只有运气 169
Unit 8 Honesty: Is it Going Out of Style? 诚实：难道它正变得不合时宜? 179
Unit 9 What Is Intelligence, Anyway? 智力到底是什么? 190
Unit 10 Profits of Praise 赞扬的好处 199
Book Three 209
Unit 1 A Brush with the Law 一声小官司 209
Unit 2 The Woman Who Would Not Tall 不肯告发的女人 223
Unit 3 Why I Teach 我为什么当教师 233
Unit 4 Lady Hermits Who Are Down But Not Out 潦而不倒的女隐士们 243
Unit 5 The Day Mother Cried 妈哭的那天 252
Unit 4 Jim Thorpe 吉姆·索普 256
Unit 6 A Day s Wait 一天的等待 262
Unit 7 The Shelter 防空洞 273
Unit 8 Daydream a Little 做点白日梦 287
Unit 9 The Death of Hitler 希特勒之死 297
Unit 10 The Fantastic Spurt in Technology 工艺技术上不可思议的突飞猛进 309
Book Four 320
Unit 1 Big Bucks the Easy Way 轻轻松松赚大钱 320
Unit 2 Deer and the Energy Cycle 鹿和能量循环 332
Unit 3 Why Do We Believe That the Earth Is Round? 我们为什么相信地球是圆的? 343
Unit 5 To Lie or Not to Lie——The Doctor s Dilemma 撒谎还是不撒谎——医生的难道 367
Unit 6 How to Mark a Book 怎样在书上做记号? 379
Unit 7 The Luncheon 午餐 391
Unit 8 The New Caves 新洞穴 404
Unit 9 Journey West 西行纪事 413
Unit 10 Why people Work 人为什么工作 424
Appendix Ⅰ:Important Words and Expressions 433
Book Ⅰ～Book Ⅳ 433
Appendix Ⅱ:Key for Reference 446
Book Ⅰ 446
Book Ⅱ 448
Book Ⅲ 451
Book Ⅳ 454