15远中邻合面窝洞，按Black窝洞分类法，应是：（）
A、Ⅰ类洞
B、Ⅱ类洞
C、Ⅴ类洞
D、Ⅳ类洞
参考答案：B
14. --- Are you familiar with the bank over there?
--- Only a little, I have an account ____ it.
A．in
B．with
C．to
D．Of
货币政策的时滞
