【多选题】In downward communication patter,
A.
the communication to less empowered individuals in the company is nonthreatening to hose in control.
B.
can make the relationship between co-workers more closer.
C.
it is easy to have employees express their opinions.
D.
lower level employees can only follow the orders of the upper levels.
【单选题】下述选项中不属于JDBC基本功能的是( )
【简答题】All design patterns on the ceiling are lotus flowers. Each made up with six letters. It is said that the more one chants these six letters, the sooner he would become a Buddha.
【判断题】Adi Dassler started to make slippers, which was the very beginning of his involvement in shoe business.
【简答题】设 X 服从区间 [1,5] 上的均匀分布,则 P(3 , P(0 , P(-1 .
【单选题】绿色食品是指在无污染的生态环境中种植,全过程标准化生产或加工,并经专门机构认定、许可使用的绿色食品标志的食品,绿色食品可细分为两个等级,即是?
【单选题】绿色食品是指在无污染的生态环境中种植及全过程标准化生产或加工,并经专门机构认定,许可使用绿色食品标志的食品。绿色食品可细分为两个等级,即( )。
【单选题】所谓的 Internet 是一个由世界各地的什么通过诸如电话线、卫星以及各种传输媒体连接而成的一个庞大的计算机通信系统( )
【简答题】设随机变量ξ服从区间[-1,5]上的均匀分布,试求方程4x 2 +4ξx+ξ+2=0有实根的概率.