高等学校教材 大学英语精读 教师用书 第4册PDF电子书下载

Unit 1 Big Bucks the Easy Way 1

Unit 2 Deer and the Energy Cycle 11

Unit 3 Why Do We Believe That the Earth Is Round? 18

Unit 4 Jim Thorpe 26

Unit 5 To Lie or Not to Lie—The Doctor's Dilemma 36

Unit 6 How to Mark a Book 44

Unit 7 The Luncheon 52

Unit 8 The New Caves 60

Unit 9 Journey West 68

Unit 10 Why People Work 76

Appendix Ⅰ：Key to Exercises(Units 1—10) 84

Appendix Ⅱ：Chinese Translations of the Texts(Units 1—10) 107