第4题: [单项选择]Who is Robert Gibert a. A geography professor at Harvard University. b. A geography professor at Queen’s University. c. A geography professor at London University. d. A geography professor at Massachusetts University. 参考答案:B 答案解析:[解析] 此题考的是Robert Gibert的背景,仔细听不难听出他是Queen’s University的地理教授。