在下列权重确定方法中，权重与指标的标准差有关的是（）
A.离差权法
B.最优赋权法
C.等权法
参考答案：A
Now that their parents are dead, the poor boy doesn’t know ________ the money they left.
A．how to do with
B．what to do with
C．to do what with
D．how he will do with
变压器的检修可分为几类？
