英语听力级级跳 第4册PDF电子书下载

Unit 1 1

Unit 2 6

Unit 3 11

Unit 4 16

Unit 5 21

Unit 6 26

Unit 7 31

Test 1 36

Unit 8 40

Unit 9 47

Unit 10 52

Unit 11 57

Unit 12 63

Unit 13 68

Unit 14 74

Unit 15 79

Test 2 84

Tapescripts and Keys 90

Unit 1 90

Unit 2 96

Unit 3 103

Unit 4 109

Unit 5 116

Unit 6 122

Unit 7 128

Test 1 134

Unit 8 140

Unit 9 148

Unit 10 154

Unit 11 160

Unit 12 167

Unit 13 174

Unit 14 180

Unit 15 187

Test 2 194