行政优先权
参考答案：
是指行政主体在行使行政职权时所享有的种种职务上和行为上的优先条件。它主要包括先行处置权、获得社会协助权、推定有效权等内容。
—Do you regret spending 500 dollars on the overcoat?
—No,I would have paid _________ if the shop owner had insisted.
A．twice as much
B．twice as many
C．much as twice
D．many as twice
干粉灭火机使用时的操作关键是（）。
A、拉出插销
B、轻轻抖动几下
C、开启提环
D、将灭火器颠倒过来
