未知题型 听力原文：Where do you know is the office of the English department?(2)A.I' m afraid I don’t know.B.Yes, I diD.C.No, it isn’t.D.You are on the ground floor.

单项选择题 在弗里德曼货币需求函数模型中，影响实际货币需求的机会成本变量是（　　）

未知题型 听力原文：What kind of job do you want to apply for?(3)A.Thank you very much.B.If possible, I'd like to be a salesman.C.I lost my job last month.D.I am a manager.