【单选题】已知一工频电压有效值为U=220V,初相位 ;则其电压相量表示为( )。
【单选题】The Corporate Average Fuel Economy (CAFE) standards are designed to improve the average fuel economy of cars and light trucks sold in the U.S. The economic analysis used to develop the CAFE standards...
【简答题】www.oracle.com网站中,oracle中文名为( )公司。
【单选题】在利用计算机高级语言进行程序设计过程中,必不可少的步骤是____。(多选题)
【单选题】下列关合谷穴的定位,说法正确的是()。
B.
在第一、第二掌骨之间,约当第二掌骨桡侧之中点
【单选题】下列有关表述,有误的一项是()
D.
D.《归园田居五首》的作者是东晋诗人陶渊明。
【单选题】托运人在使用集装箱运输货物时,箱的费用()
【单选题】The reform in economic system will help____ and develop the socialist economic base.
【单选题】已知一工频电压有效值为U=220V,初相位 ;则其瞬时值表达式为( )。
【单选题】Malthus believe d that the fundamental way to avoid the economic crisis and develop capitalism wa s ( ).
A.
e xpand ing the interests of the non-productive consumer class
B.
i mplement ing active fiscal and monetary policies
C.
i ncreas ing the total social supply
D.
i mplement ing the transfer payment policy