所谓“货币政策的中间指标”，实际是指那些介于（）与（）之间的变量。
参考答案：货币政策最终目标，货币政策工具
" We can't go out in such bad weather," said Susan,_ out of the window.[ ]
A. looking
B. to look
C. looked
D. having looked
什么叫机车车辆的换算长度？
