【单选题】下列算法中,计算3.9×10.1的简便算法正确的是( )
【判断题】集聚经济理论主要强调在投入产出等方面具有相关联系的不同企业在一定地域集中而产生的成本节约,即成本经济性。
【单选题】His white hair was_ in sharp to his dark skin.
【单选题】His white hair was in sharp _____ to his dark skin.
【简答题】中央银行是一国金融机构体系的______,它处于______。它不以______为目的,而以金融管理事业为己任。
【简答题】如果test.cpp是一个源程序,则其中的主函数的函数名是_____________
【单选题】His background was certainly not ________. He was raised in a very poor family with only one year of formal education. He failed in business twice suffered a nervous breakdown when his first love died...
【简答题】简便算法。 (1)2.37+5.91+0.63 (2)18-1.52-0.48 (3)(8+0.4)×0.25 (4)4.7×10.1