在经济分析中,按不同的市场结构的特征,市场可以划分为()。
A.完全竞争市场
B.垄断竞争市场
C.寡头市场
D.垄断市场
参考答案:A, B, C, D
Which type of unemployment describes a situation where workers who have been laid off due to economic changes and they are unable to find work due to a lack of education or the necessary skills to move into another available job()
A. Structural.
B. Frictional.
C. Cyclical.
在使用PCI总线的微型计算机中,CPU访问(读/写)主存储器通过下列( )进行。
A.ISA总线(AT总线)
B.PCI总线
C.VESA总线
D.CPU存储器总线