Unit 1 Text A Birmingham Text B Hamburg Text C Greenland Unit 2 Text A Reality Television Text B YouTubemThe Online Video Leader Text C Quick Study： A Look at'the Lottery Unit 3 Text A Causes of Hair Loss Text B 6 Things You Never Knew About Your Weight Text C 4 Most Harmful Ingredients in Packaged Foods Unit 4 Text A The IPod Text B Facebook Text C 10 Top Fashion Moments Unit 5 Text A 7 Things You Can Do Right Now to Help Your Career TextB How to FindaJob Text C 10 Tips to Boost Your Interview IQ Unit 6 Text A National Basketball Association Text B Extreme Sports Text C Yoga for the Special Child Unit 7 Text A Education in Britain and the US Text B Using Online Grammar Quizzes for Language Learning Text C Universities and Their Function Unit 8 Text A Love Letters in Danger of Dying Text B Broken Promise Text C The Science of Romance： Why We Love Who We Love Unit 9 Text A Teach Your Kid ConfidencekFrom Birth Text B Secrets to Happiness Text C Dealing with Difficult People： Tips to Keep You Sane Unit 10 Text A What to Do When Kids Say， "I Hate You" Text B American Family and Personal Relationships Text C Play It Again， Dad Unit 11 Text A 5 Lessons from Barack Obama Text B Poor Excuses for Not Learning a Foreign Language Text C The Three Stages of Language Learning Unit 12 Text A Music + Body Language = More Excitement Text B Tattoos Have a Lasting Effect on American Culture Text C Why American Culture Is Unique Unit 13 Text A What Will Replace the Internet Text B 5 Reasons to Worry About Google Text C Prepare Yourself for New Opportunities in Uncertain Times Unit 14 Text A Some Climate Damage Already Irreversible Text B Banking on Stem Cells Text C Online Shopping Unit 15 Text A Advertising Text B How to Pick a Stock Text C Retailing Unit 16 Text A President Barack Obama's Inaugural Address （Excerpt） Text B Hillary Clinton's Concession Speech （Excerpt） Text C Barack Obama's Victory Speech （Excerpt） Key to Comprehension Exercises