Unit One
  Reading
  New Words and Expressions
  TextNightingale at Scutari
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextNightingale and the Wounded Soldier
  Review and Practice
  Word-Building Tips (1)
 Unit TWO
  Reading
  New Words and Expressions
  TextThe Red Cross
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  Text The Canadian Red Cross
  Review and Practice
  Word-Building Tips (2)
 Unit Three
  Reading
  New Words and Expressions
  TextWhat Is It?（Part Ⅰ）
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextWhat Is It?（Part II）
  Review and Practice
  Word-Building Tips (3)
 Unit Four
  Reading
  New Words and Expressions
  TextA Typical Operation
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextOperation and Anesthesia
  Review and Practice
  Word-Building Tips (4)
 Unit Five
  Reading
  New Words and Expressions
  TextShift Work
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextFlight of Fantasy
  Review and Practice
  Word-Building Tips（5)
 Unit Six
  Reading
  New Words and Expressions
  TextImmigrant Kids
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextAmerica's Most Famous Immigrant
  Review and Practice
  Word-Building Tips (6)
 Unit Seven
  Reading
  New Words and Expressions
  TextAging and Life Span
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextThe Dream of a Longer Life
  Review and Practice
  Word-Building Tips (7)
 Unit Eight
  Reading
  New Words and Expressions
  Text A Young Entrepreneur
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextWho Wants to Become a Fireman?
  Review and Practice
  Word-Building Tips (8)
 Unit Nine
  Reading
  New Words and Expressions
  TextA Proud Head
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextProtective Coloration
  Review and Practice
  Word-Building Tips (9)
 Unit Ten
  Reading
  New Words and Expressions
  TextGrasping Life
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextSelf-Made Success
  Review and Practice
  Word-Building Tips（10)
 Unit Eleven
  Reading
  New Words and Expressions
  TextHow Much Do You Make?
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextHow Much Do You Give?
  Review and Practice
  Word-Building Tips（11）
 Unit Twelve
  Reading
  New Words and Expressions
  TextLevi's
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  Text Chewing Gum
  Review and Practice
  Word-Building Tips（12)
 Unit Thirteen
  Reading
  New Words and Expressions
  TextThe Sixth Diamond（Part Ⅰ）
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextThe Sixth Diamond（Part Ⅱ）
  Review and Practice
  Word-Building Tips（13)
 Unit Fourteen
  Reading
  New Words and Expressions
  TextAccounting for Taste
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  TextUncover the Secret of Taste
  Review and Practice
  Word-Building Tips（14)
 Unit Fifteen
  Reading
  New Words and Expressions
  TextThe Nicholas Effect（Part Ⅰ）
  Text Comprehension
  Vocabulary Exercises
  Grammar and Structure
  Group Activities
  Further Reading
  New Words and Expressions
  Text The Nicholas Effect（Part Ⅱ）
  Review and Practice
  Word-Building Tips（15)
  Glossary