前辅文
 Unit 1 Scientists’ Social Responsibility
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Science and Humanity in the Twenty-First Century
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   E-mail
 Unit 2 Lifetime Gift
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Impatience and a Guy in a Wheelchair
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Letter of Thanks
 Unit 3 Gateways to Other Worlds
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Are You a Productive Reader?
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Letter of Inquiry
 Unit 4 Job Hunting
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Research, Rehearse and Relax
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Job Application
 Unit 5 A Road to Your Future
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Got Your Career Goal?
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Meeting Minutes
 Unit 6 The Root of Happiness
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   What Makes People Happy?
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Fax
 Unit 7 The Power of Knowledge
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   Knowledge as Fuel
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   Note for Leave
 Unit 8 College
  Lead-in
  Listening Practice
  Oral Practice
  Reading Comprehension
   How to Succeed in College
  Language Focus
  Word Study
  Translation Practice
  Reading Skills
  Practical Writing
   College application letter
 Vocabulary and Phrases
  Keys and Scripts
  Translations