Unit 1…1 Part I Preparatory…1 Part II Language in Context…3 Text A Mama's Soup Pot…4 Part III Toward Productive Language…13 Text B As Time Goes By… 14 Unit 2…18 Part I Preparatory…18 Part II Language in Context…20 Text A The Information Age…21 Part III Toward Productive Language…29 Text B Social Media Brings Benefits As Well As Risks to Young People…30 Unit 3…34 Part I Preparatory…34 Part II Language in Context…36 Text A American Painting…37 Part III Toward Productive Language…47 Text B How Do Our Brains Process Music?…48 Unit 4…52 Part I Preparatory…52 Part II Language in Context…54 Text A Living a Well-balanced Life…55 Part III Toward Productive Language…63 Text B A Philosophy Walk in Southern Greece…64 Unit 5…69 Part I Preparatory…69 Part II Language in Context…71 Text A The Road to the Olympics…72 Part III Toward Productive Language…81 Text B Giant Footprints: Yao Ming's Story…82 Unit 6…86 Part I Preparatory…86 Part II Language in Context…88 Text A Histor