Unit 1 1
Text A-1 What Is Intelligence,Anyway? 1
Text A-2 William H.Gates—Chairman and Chief Software Architect,Microsoft Corporation 5
Text B-1 Willis Haviland Carrier—the Father of Cool 9
Text B-2 Thomas Adams and the Invention of Chewing Gum 13
Unit 2 17
Text A-1 Metropolitan Life Insurance 17
Text A-2 What American Consumers Like? 21
Text B-1 How Postoptics Gets 585703450f Its Online Sales through Google Advertising 25
Text B-2 Two Kinds of American Business Heroes 29
Unit 3 33
Text A-1 I Don't Know 33
Text A-2 The Old Bag Lady 37
Text B-1 Some Shed Light 41
Text B-2 Help a Li'l Bit 45
Unit 4 49
Text A-1 How to Find Meaning in Your Work and Your Life 49
Text A-2 Staying Happy 53
Text B-1 "Journalist...Rewarding,but Very Political" 57
Text B-2 A University Diploma 61
Unit 5 67
Text A-1 Online Database Pinpoints Plagiarism 67
Text A-2 The Brain Revolution and Ethics 71
Text B-1 Survey:Many Students Say Cheating's OK 77
Text B-2 The Commercialization of Higher Education 81
Unit 6 87
Text A-1 Doctors to Decide on Right to Die 87
Text A-2 Terminally Ill Woman Fights for Right to Die 91
Text B-1 The Sad Suicide of Admiral Nimitz 97
Text B-2 A Nurse Speaks Out! 101
Unit 7 107
Text A-1 The Bounty of the Sea 107
Text A-2 Man and Nature 111
Text B-1 Trash Troubles 115
Text B-2 Naturalist Has Whale of a Time in Alaska 119
Unit 8 123
Text A-1 At Century's End,a Nostalgic Glance Back 123
Text A-2 Flight:An Invention that Shrank the World 127
Text B-1 The Digital Age 133
Text B-2 The Creation of the Automotive World 137
Appendix 143
Key to Comprehension Exercises 143