A本Unit 1 Finally! A Date with Rosalee Whitamore!Unit 2 Genius—Is It Nature or Nurture?Unit 3 The World Is Getting SmallerUnit 4 Of Happiness, Sadness, and DreamsUnit 5 The Adventures of Sherlock Holmes: The Red-Headed LeagueUnit 6 Where the Grass Is Greener B本Unit 7 An Era for LOHASUnit 8 No Rainbows, No RosesUnit 9 Death by TourismUnit 10 The Teacher Who Changed My LifeUnit 11 To a Daughter Leaving HomeUnit 12 Have a Good Four Years