原理误差是指采用近似的加工方法所引起的误差，加工中存在原理误差时，表明这种加工方法是不完善的。( )
参考答案：错
He accidentally ________ he had quarreled with his wife and that he hadn't been home for a couple of weeks.[ ]
A. let out
B. took care
C. made sure
D. made out
目前，我国基金管理人禁止的行为有（）。
A.运用基金资产
B.不公平地对待其管理的不同基金财产
C.发起设立基金
D.向基金份额持有人违规承诺收益或者承担损失
