单项选择题 M: I thought you were going to call Jack this morning, before he left for work.W: How was I supposed to know he’d be leaving so early?Q: What does the woman imply?（）

单项选择题 下列引起房地产价格上升的因素当中，使房地产保值而非真正增值的是（）。

单项选择题 房地产估价是对房地产在估价时点的价值进行（）的活动。