高中英语第1册学习参考 答案PDF电子书下载

Unit One 1

Lesson 1 1

Lesson 2 3

Lesson 3 9

Lesson 4 13

Lesson 5 16

Revision Esercises 20

Unit Two 27

Lesson 6 27

Lesson 7 31

Lesson 8 35

Lesson 9 40

Revision Esercises 43

Lesson 10 47

Unit Three 47

Lesson 11 49

Lesson 12 52

Revision Exercises 54

Unit Four 57

Lesson 13 57

Lesson 14 60

Lesson 15 63

Lesson 16 67

Revision Exercises 69

Unit Five 73

Lesson 17 73

Lesson 18 74

Lesson 19 78

Lesson 20 81

Revision Exercises 84