大学英语阶梯听力（2 功能训练）

Unit One
Greetings and Introductions
Unit Two
Happiness and Unhappiness
Unit Three Complaints and Preferences
Unit Four
Agreement and Disagreement
Unit five
Satisfaction and Disappointment
Review One
Unit Six
Suggestions and Requests
Unit Seven
Apologies and Regrets
Unit Eight
Comparisons and Contrasts
Unit Nine
Plans and Decisions
Unit Ten
Reasons and Effects
Review Two
Unit Eleven
Real Condition and Unreal Conditi
N_Unit Twelve
Possibility and Impossibility
Unit Thirteen Certainty and Uncertainty
Unit Fourteen Similarities and Differences
Unit Fifteen
Hopes, Wishes and Desires
General Review