抛物线y2=2px上一点M(4,m)到准线的距离为6,则p= _________ .
4
—Do you regret paying 500 dollars for your necklace?
--No, I would gladly pay__________ for it.
A.two times as much
B.twice as many
C.twice as much
D.as twice as much
汽车机械系统故障诊断应以人的经验为基础,充分运用各种现代化分析工具测取各种信息,分析确定故障。