目录 1
Book Three 1
Unit One A Brush with the Law 1
Unit Two The Woman Who Would Not Tell 26
Unit Three Why I Teach 52
Unit Four Lady Hermits Who Are Down But Not Out 79
Unit Five The Day Mother Cried 104
Unit Six A Day's Wait 126
Unit Seven The Shelter 148
Unit Eight Daydream a Little 177
Unit Nine The Death of Hitler 205
Unit Ten The Fantastic Spurt in Technology 232
Book Four 257
Unit One Big Bucks the Easy Way 257
Unit Two Deer and the Energy Cycle 284
Unit Three Why Do We Believe That the Earth Is Round? 312
Unit Four Jim Thorpe 337
Unit Five To Lie or Not to Lie—The Doctor's Dilemma 360
Unit Six How to Mark a Book 386
Unit Seven The Luncheon 415
Unit Eight The New Caves 442
Unit Nine Journey West 467
Unit Ten Why People Work 492
Key to Exercises 520