Lesson 1 Treasure in My Life 05 Lesson 2 In Someone Else's Shoes 17 Lesson 3 Be a Critical Thinker 29Áß°£°í»ç 41 Lesson 4 Find and Do What You Love 47 Lesson 5 Technology: An Engine for Change 59 Special Lesson The Cactus 71±â¸»°í»ç 77Á¤´ä ¹× Çؼ³ 83