Peter’s jacket looked just the same as Jack’s，but it cost________his.

A．as much twice as

B．twice as much as

C．much as twice as

D．as twice much as

泵轴弯曲的测量，是沿整根轴长装若干只百分表，测量出每个方位、各个百分表所在断面的（）的1／2，即为该方位对应断面处的弯曲值。

A、指示值；

B、晃动值；

C、瓢偏值；

D、最大值与最小值之差。