英语 第4册 第5版PDF电子书下载

Unit One Warming up 1

Passage 2

Exercises 5

Reading 7

Unit Two Warming up 10

Passage 11

Exercises 13

Reading 17

Unit Three Warming up 20

Passage 21

Exercises 23

Reading 26

Unit Four Warming up 29

Passage 30

Exercises 32

Reading 35

Unit Five Warming up 39

Passage 40

Exercises 42

Reading 46

Unit Six Warming up 48

Passage 49

Exercises 52

Reading 55

Appendix Vocabulary 58

Work book 66

Exercise 1 66

Exercise 2 74

Exercise 3 82

Exercise 4 89

Exercise 5 97

Exercise 6 105