雅思阶梯听力 2PDF电子书下载

概述 1

Unit One 3

Unit Two 5

Unit Three 8

Unit Four 10

Unit Five 13

Unit Six 16

Unit Seven 19

Unit Eight 22

Unit Nine 25

Unit Ten 28

Unit Eleven 31

Unit Twelve 34

Unit Thirteen 37

Unit Fourteen 40

Unit Fifteen 43

Unit Sixteen 47

Unit Seventeen 50

Unit Eihgteen 53

答案 123

词汇表 131

录音文本 156