在雷格斯的行政生态学模式中，与过渡型社会相适应的行政模式是
A．融合型行政
B．棱柱型行政
C．衍射型行政
D．法理型行政
参考答案：B
简述广告媒介面向受众的推广方法。
(75) is the budgeted amount for the work actually completed on the schedule activity or WBS component during a given time period.
A．Planned value
B．Actual cost
C．Earned value
D．Cost variance
