Unit One Dialogue: Back from the Holidays Text A: A Humorous Picnic Grammar: The Future Perfect Tense Text B: The HeroUnit Two Dialogue: The Exam Comes First Text A: The Aim of Education Grammar: The Present Perfect Progressive Tense Text B: Education in the United StatesUnit Three Dialogue: Visiting a Computer Software Company Text A: High-tech Revolution Grammar: The Past Perfect Progressive Tense Text B: UK Aims to Have All Schools On-line Test Paper OneUnit Four Dialogue: What's Up? Text A: Volcano, Earthquake and Hurricane Grammar: The Modal Verb (I) Text B: Can It Be True?Unit Five Dialogue: What Do You Think of It? Text A: What's Your Real Name? Grammar: The Modal Verb (II) Text B: Pets for PrisonerUnit Six Dialogue: In a Bank Text A: Banks in the Future Grammar: The Gerund (I) Text B: The History of Money Test Paper TwoUnit Seven Dialogue: In a Park Text A: The Media of U. S. A. Grammar: The Gerund (II) Text B: BBC and VOAUnit Eight Dialogue: Hans Christian Andersen Text A: The Little Match Girl Grammar: The Present Participle (I) Text B: The Emperor's New ClothesUnit Nine Dialogue: Going to the Museum Text A: Museums in the Modern World Grammar: The Present Participle (II) Text B : Louvre Test Paper ThreeUnit Ten Dialogue: What Do You Do for Fun? Text A.. Hobbies Grammar: The Present Participle (III) Text B: Snow White and the Seven Dwarfs Skate into ShanghaiUnit Eleven Dialogue : Family Text A: Daddy's Little Girl Grammar: The Past Participle Text B: Remember My GrandparentsUnit Twelve Dialogue: Travel by Train Text A: America——a Nation on Wheels Grammar: The Difference Between the Present Participle and the PastParticiple Text B: On the Move Test Paper Four Supplementary UnitsUnit Thirteen Dialogue: Classical Music and Pop Music Text A: The Story of Jazz Text B: Louis ArmstrongUnit Fourteen Dialogue: Go Camping in Such Weather Text A : Thunderstorm Text B : Wind Grammatical Structures Vocabulary