大学英语听说教材 3-4级学生用书PDF电子书下载

Band Ⅲ 3

Unit 1 3

Unit 2 6

Unit 3 9

Unit 4 12

Unit 5 15

Unit 6 18

Unit 7 21

Unit 8 24

Unit 9 27

Unit 10 30

Unit 11 33

Unit 12 36

Unit 13 39

Unit 14 42

Unit 15 45

Unit 16 48

Unit 17 51

Unit 18 54

Unit 19 57

Unit 20 60

Band Ⅳ 65

Unit 1 65

Unit 2 68

Unit 3 71

Unit 4 74

Unit 5 77

Unit 6 80

Unit 7 83

Unit 8 86

Unit 9 89

Unit 10 92

Unit 11 95

Unit 12 99

Unit 13 102

Unit 14 105

Unit 15 108

Unit 16 111

Unit 17 114

Unit 18 117

Unit 19 120

Unit 20 123