工件的园度，在误差中属于（）。
A.尺寸误差
B.形状误差
C.位置误差
参考答案：B
She is very kind to us. We have been prepared to do_____it takes to save her life.[ ]
A. whichever
B. however
C. whatever
D. whoever
下面那个特征是非理性决策的有（）
A.知识完备
B.价值观一致
C.择优
D.信息有限
