反映一个组织系统中各子系统之间或各元素之间的指令关系的组织工具是( )
A.组织结构模式 B.工作流程图 C.工作任务分工 D.合同结构图
参考答案:A
— Mom, I' m going to the graduation dance tonight but I don' t think I look attractive enough.
— Oh, darling, don' t worry. ______. [ ]
A. They don't know what beauty is
B. Nobody will care about it
C. You look perfect the way you are
D. Impossible is nothing
试述非同期并列可能产生的后果。