主轴表面恒线速度控制指令为()
A.G97
B.G96
C.G95
D.G94
参考答案:B
在一张长方形纸上剪一个最大的三角形,三角形的面积占长方形面积的______%.
Peter's jacket looked just thesame 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