单项选择题 中心商务高度指标（CBHI）和中心商务强度指标（CBII）是界定CBD的两项重要指标，符合（）的区域界定为CBD。

单项选择题 M: I need a book for English two-twenty-one and a notebook.W: All of the textbooks are on the shelves in the back of the store. The notebooks are over there by the cash register.Q: Where did this conversation most probably take place?（）

多项选择题 （）不属于影响房地产需求量的因素。