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