大学核心英语听力教程 第二级PDF电子书下载

Unit One 1

Unit Two 7

Unit Three 15

Unit Four 23

Unit Five 30

Unit Six 36

Unit Seven 43

Unit Eight 51

Unit Nine 59

Unit Ten 65

Unit Eleven 72

Unit Twelve 78

Unit Thirteen 85

Unit Fourteen 92

Unit Fifteen 98