第13题: [单项选择]Passage Three Questions 33 to 35 are based on the passage you have just heard.[A] 10 points. [C] 15 points. [B] 2 points. [D] 5 points. 参考答案:D 答案解析:[听力原文]33-35 If you’ve been on campus for very long, I’m certain that you’ve already heard abo