组织在决策时正式权力在管理层级中分布与集中的程度,称为组织结构的()
A、复杂性
B、规范性
C、集权性
D、分权性
参考答案:C
I wish to thank Professor Smith, without ______ help I would never have got this far.[ ]
A. who
B. whose
C. whom
D. which
简述地下连续墙如何分类?