大学核心英语 听说教程 第1册 教师参考书PDF电子书下载

Unit one 1

Unit Two 10

Unit Three 19

Unit Four 28

Unit Five 37

Unit Six 44

Unit Seven 53

Unit Eight 62

Unit Nine 72

Unit Ten 82

Unit Eleven 88

Unit Twelve 97

Unit Thirteen 107

Unit Fourteen 115

Unit Fifteen 123