Unit One Neighbors and Friends Part One Warm-Up Activities Part Two Oral Practice Ⅰ.Useful Expressions of Classroom English Ⅱ.A Dialogue Part Three Listening Comprehension Ⅰ.A Dialogue Ⅱ.A Passage Ⅲ.Statements Ⅳ.Conversations Part Four Reading Comprehension Notes to the Text Translation of the Text Notes to the Extra Reading Passage Translation of the Extra Reading Passage Part Five After-Class Activities Unit Two Natural Hazards Part One Warm-Up Activities Part Two Oral Practice Ⅰ.Useful Expressions of Lesson Plan and Doing In-Class Exercises Ⅱ.A Dialogue Part Three Listening Comprehension Ⅰ.Passages Ⅱ.Statements Ⅲ.Conversations Part Four Reading Comprehension Notes to the Text Translation of the Text Notes to the Extra Reading Passage Translation of the Extra Reading Passage Part Five After-Class Activities Unit Three Space Part One Warm-Up Activities Part Two Oral Practice Ⅰ.Useful Expressions of Assigning and Checking Exercises Ⅱ.A Dialogue Part Three Listening Comprehension Ⅰ.Passages Ⅱ.Statements Ⅲ.Conversations Part Four Reading Comprehension Notes to the Text Translation of the Text Notes to the Extra Reading Passage Translation of the Extra Reading Passage Part Five After-Class Activities Unit Four Police Part One Warm-Up Activities Part Two Oral Practice Ⅰ.Useful Expressions of Talking about the Weather Ⅱ.A Dialogue Part Three Listening Comprehension Ⅰ.Passages Ⅱ. Statements Ⅲ.Conversations …… Unit Five Social Communication Unit Six American Dreams Unit Seven Time and Values Unit Eight Successful People Unit Nine Population and Environment Unit Ten Travel Back in Time Glossary