Unit One 1
Text：Technology vs.Terrorism 1
Supplementary Reading 12
Unit Two 13
Text：Active and Passive Euthanasia 13
Supplementary Reading 23
Unit Three 25
Text：Evolution and Natural Selection 25
Supplementary Reading 37
Unit Four 39
Text：The Man Who Discovered Mother Nature 39
Supplementary Reading 46
Unit Five 47
Text：The Apple of Your Ear 47
Supplementary Reading 56
Unit Six 57
Text：Culture Shock 57
Supplementary Reading 63
Mini-Test Ⅰ 65
Unit Seven 67
Text：A Bet on Planet Earth 67
Supplementary Reading 77
Unit Eight 79
Text：I Am a Highbrow 79
Supplementary Reading 89
Unit Nine 91
Text：Is Rock Music Rotting Our Kids'Minds? 91
Supplementary Reading 100
Unit Ten 101
Text：Robots Roll into Operating Rooms 101
Supplementary Reading 111
Unit Eleven 113
Text：The Politician 113
Supplementary Reading 121
Unit Twelve 123
Text：The Scientific Aesthetic 123
Supplementary Reading 133
Mini-Test Ⅱ 137