Lesson One 1
Unit One 1
Lesson Two 8
Lesson Three 15
Lesson One—Three 22
Unit Two 29
Lesson One 29
Lesson Two 36
Lesson Three 43
Lesson One—Three 49
Mid-examination 57
Lesson One 64
Unit Three 64
Lesson Two 70
Lesson Three 77
Lesson One—Three 84
Unit Four 92
Lesson One 92
Lesson Two 98
Lesson Three 104
Lesson One—Three 110
Final Examination 117
Listening Tapescripts and the Keys to the Lessons 124