Contents 1
Unit 1 1
Unit 2 3
Unit 3 5
Unit 4 7
Unit 5 9
Unit 6 11
Unit 7 14
Unit 8 17
Unit 9 20
Unit 10 24
Unit 11 27
Unit 12 30
Listening Exam(1) 33
Unit 13 35
Unit 14 39
Unit 15 45
Unit 16 50
Unit 17 54
Unit 18 58
Unit 19 62
Unit 20 66
Unit 21 69
Unit 22 72
Unit 23 75
Unit 24 77
Listening Exam(2) 79
Supplementary Listening Materials 83