由机床制造误差而产生的加工误差叫原理误差。( )
参考答案：错
People who are ______ drugs can’t go without them for a few hours , can they ?
A．addicted to
B．engaged in
C．satisfied with
D．related to
影响整合营销传播计划成功的关键因素是（）。
A.计划
B.预算
C.创新
D.组织
