Part Ⅰ Listening ExercisesUnit One 1
Unit Two 4
Unit Three 8
Unit Four 13
Unit Five 17
Unit Six 20
Unit Seven 25
Unit Eight 29
Unit Nine 32
Unit Ten 36
Unit Eleven 40
Unit Twelve 45
Unit Thirteen 49
Unit Fourteen 53
Unit Fifteen 57
Unit Sixteen 61
Unit Seventeen 65
Unit Eighteen 69
Unit Nineteen 74
Unit Twenty 81
Part Ⅱ Practice TestsTest One 86
Test Two 88
Test Three 91
Test Four 94
Test Five 97
Attachments 101
Ⅰ．Answer and Reference KeyPart Ⅰ Listening Exercises(Unit One—Unit Twenty) 101
Part Ⅱ Practice Tests(Test One—Test Five) 116
Ⅱ．Tapescripts 122
Part Ⅰ Listening Exercises(Unit One—Unit Twenty) 122
Part Ⅱ Practice Tess(Test One—Test Five) 201