根据项目管理的需要,( )成本计划又可按施工成本组成、按子项目组成、按工程进度分别编制施工计划。
A.竞争性B.战略性C.实施性D.指导性
参考答案:C
Please remember the following things when you are in the museum. _________, don't touch the things.
Second, don't make much noise…. [ ]
A. First of all
B. By the way
C.In fact
D. So far
楼梯栏杆有()三种。
A、链式
B、空花式
C、栏板式
D、组合式