当期利润最大化的订价目标在理论上讲就是要求（）收入等于（）成本。
A、当前；当前
B、全部；变动
C、边际；当前
D、边际；边际
参考答案：D
The project budget has been finalized．Additional work has been discovered that was not planned for in the budget or project scope．Where could the found to cover the newly discovered work item
A．Contingency reserv
B．Project profi
C．Management reserv
D．Abandoning fun
通常在路基水温状况不良或有冻胀的土基上，都应在基层之下加设垫层。
