建立现代企业制度是我国国有企业改革的方向，现代企业制度的基本特征是( )。A．自主经

短文改错（共10小题；每小题1分，满分10分）

Once there lived a man who was such lazy that no job was fit him. In order to make a living he went to the neighbor of his for help one day. The neighbor advised to him to be a grave caretaker as it is the easiest job one could find. The lazy man was delighting and soon became a grave caretaker. And to everybody’s surprise he gave up his job three days before he got it. “It’s unfair.” He said to the neighbor angry. “In the grave all the others are lying still when I am the only one who has to stand.”

盈亏平衡点生产能力利用率＝(年销售收入-年变动成本-年销售税金)÷年固定成本×100%。( )

市场上对泳装、太阳镜等季节性产品的需求在一年当中是不规则的，营销管理者可以采取（　）营销策略，使需求在各个季节间趋于平稳，并与供给相互协调。

A．开发性

B．调整性

C．维持性

D．刺激性

在三相四线制系统中，为了增强接地保护系统接地的作用和效果，并提高其可靠性，在其接地线的另一处或多处再作接地（通过新增接地装置），称为（）

A.防雷接地

B.重复接地

C.保护接地

简述科举制培育与维系了传统文化？