前言 Unit 1 Text A Developing a Strategic Vision for Your Career Plan Text B Career Path:Acting Your Age Unit 2 Text A A Private Space Shuttle Text B The New Space Race Unit 3 Text A On Virtue and Happiness Text B The Heart of Virtue Unit 4 Text A Water Contamination Text B End Cruelty:People,Animals and Nature Unit 5 Text A The Changing Face of Globalization Text B Three Connected Cities Drive the Global Economy Unit 6 Text A Why We Love Who We LoveThe real reasons why we choose that special someone Text B Why Do We Have Children? Unit 7 Text A Factors of Infectious Disease Outbreaks Text B Prevention Will Reduce Medical Costs:A Persistent Myth Unit 8 Text A Effects of the Automobile on Societies Text B Less is More Unit 9 Text A We Just Clicked Text B Medical Mouse Practice Unit 10 Text A Looking Ahead:Natural Disasters,Protection and Climate Change Text B In Wake of Disaster,Scientists Seek Out Clues to Prevention INDIAN OCEAN TSUNAMI Glossary