Lesson One Doing Science 1
Lesson Two "My Heart Was With Her" 14
Lesson Three Two Truths to Live By 25
Lesson Four Cancer ＆ Chemicals 41
Lesson Five Active and Passive Euthanasia 52
Lesson Six Is Rock Music Rotting Our Kids'Minds? 69
Lesson Seven This Was My Mother 84
Key to Mini-Test Ⅰ 100
Lesson Eight A Red Light for Scofflaws 108
Lesson Nine Good Taste，Bad Taste 122
Lesson Ten I'm a Highbrow 136
Lesson Eleven The End Is not at Hand 153
Lesson Twelve I Have a Dream 163
Lesson Thirteen Computer Illiteracy 174
Lesson Fourteen The Declaration of Independence 188
Lesson Fifteen A Bet on Planet Earth 206
Key to Mini-Test Ⅱ 223