Book 1 1
Unit One How to Improve Your Study Habits 1
Exercise 1 5
Unit Two Sailing Round the World 5
Exercise 2 9
Unit Three The Present 10
Exercise 3 14
Unit Four Turning off TV:A Quiet Hour 14
Exercise 4 17
Unit Five A Miserable,Merry Christmas 18
Exercise 5 21
Unit Six Sam Adams,Industrial Engineer 25
Exercise 6 28
Unit Seven The Sampler 28
Exercise 7 32
Unit Eight You Go Your Way,I'll Go Mine 32
Exercise 8 35
Unit Nine The Brain 36
Exercise 9 39
Unit Ten Going Home 40
Exercise 10 43
Book 2 48
Unit One Is there Life on Earth 48
Exercise 1 52
Unit Two The Dinner Party 53
Exercise 2 57
Unit Three Lessons from Jefferson 58
Exercise 3 62
Unit Four My First Job 63
Exercise 4 67
Unit Five The Professor and the Yo—Yo 68
Exercise 5 72
Unit Six The Making of a Surgeon 76
Exercise 6 80
Unit Seven There's Only Luck 80
Exercise 7 84
Unit Eight Honesty:Is It Going out of Style? 85
Exercise 8 88
Unit Nine What Is Intelligence,Anyway? 88
Exercise 9 92
Unit Ten Profits of Praise 93
Exercise 10 97
Book 3 101
Unit One A Brush with the Law 101
Exercise 1 105
Unit Two The Woman Who Would not Tell 105
Exercise 2 111
Unit Three Why I Teach 112
Exercise 3 116
Unit Four Lady Hermits Who are down but not out 117
Unit Five The Day Mother Cried 122
Exercise 4 122
Exercise 5 127
Unit Six A Day's Wait 131
Exercise 6 135
Unit Seven The Shelter 135
Exercise 7 140
Unit Eight Daydream a Little 140
Exercise 8 144
Unit Nine The Death of Hitler 144
Exercise 9 149
Unit Ten The Fantastic Spurt in Technology 150
Exercise 10 155
Book 4 159
Unit One Big Bucks the Easy Way 159
Exercise 1 164
Unit Two Deer and the Energy Cycle 164
Exercise 2 170
Unit Three Why Do We Believe That the Earth Is Round? 171
Exercise 3 175
Unit Four Jim Thorpe 175
Exercise 4 179
Unit Five To Lie or Not to Lie-The Doctor's Dilemma 180
Exercise 5 184
Unit Six How to Mark a Book 188
Exercise 6 192
Unit Seven The Luncheon 192
Exercise 7 196
Unit Eight The New Caves 197
Exercise 8 200
Unit Nine Journey West 201
Exercise 9 204
Unit Ten Why People Work 205
Exercise 10 210