大学英语精读4（学生用书 第3版）

Unit 1 Big Bucks the Easy Way
Unit 2 Deer and the Energy Cycle
Unit 3 Why Do We Believe That the Earth Is Round？
Unit 4 Flight93：What I Never Know
Unit 5 To Lie or Not to Lie-The Doctor's Dilemma
Test Youself 1（Units 1-5）
Unit 6 How to Mark A Book
Unit 7 The Luncheon
Unit 8 The New Caves
Unit 9 The Education of a Physicist
Unit 10 Why People Work
Test Youself 2（Units 6-10）
Appendix