西蒙认为，旨在确立决策者如何行为的观点的行政学是( )
A．纯科学B．伪科学C．实用科学D．政治学
参考答案：C
I developed very slowly and it took nearly two hundred years I was built as an analytical machine by Charles Babbage.
A．before
B．after
C．long
D．short
怎样才能防止浇口杯内出现水平漩涡流动？
