21世纪大学实用英语 综合练习 2 U版PDF电子书下载

Unit 1 1

Part Ⅰ Text Exercises 1

Part Ⅱ Exercises for CET-4 9

Unit 2 20

Part Ⅰ Text Exercises 20

Part Ⅱ Exercises for CET-4 27

Unit 3 38

Part Ⅰ Text Exercises 38

Part Ⅱ Exercises for CET-4 45

Unit 4 57

Part Ⅰ Text Exercises 57

Part Ⅱ Exercises for CET-4 64

Test yourseef（for Units 1-4） 76

Unit 5 84

Part Ⅰ Text Exercises 84

Part Ⅱ Exercises for CET-4 92

Unit 6 104

Part Ⅰ Text Exercises 104

Part Ⅱ Exercises for CET-4 111

Unit 7 123

Part Ⅰ Text Exercises 123

Part Ⅱ Exercises for CET-4 130

Unit 8 142

Part Ⅰ Text Exercises 142

Part Ⅱ Exercises for CET-4 150

Test yourseef（for Units 5-8） 163

Test yourseef（for CET-4） 171