【简答题】如果A表示某单位会英语的人的集合,B表示会日语的人的集合,那么,A',B',A-B,(A∪B)',(A∩B)'各表示什么样的人的集合?
【单选题】The most valuable returns of employee benefits are employee attraction, retention, and productivity.
【简答题】2013年6月11日,“神舟十号”成功发射.运载“神舟十号”飞船的火箭使用偏二甲肼(C 2 H 8 N 2 )作燃料,下列说法正确的是( ) A.偏二甲肼由碳、氢、氮三种元素组成 B.偏二甲肼的相对分子质量为58 C.偏二甲肼中碳、氢、氮元素质量比2:8:2 D.偏二甲肼中碳元素的质量分数为50%
【单选题】Which of the following is the easiest and most popular technique for appraising employee performance?
D.
constant sum rating scale
【判断题】The most effective approach to build global awareness into an organization is to increase the diversity mix of the employee profile, especially for entry-level jobs
【简答题】2013年6月11日,神舟十号飞船发射成功.神舟十号飞船的飞行速度约为7900米/秒,将数7900用科学记数法表示为______.
【单选题】为了避免运动件惯性力过大,必须限制柴油机的( )。
【单选题】上世纪80年代后期人们逐渐认识到,NO在人体内起着多方面的重要生理作用。下列关于NO的说法不正确的是 [ ]
【单选题】The employee who worked most of his life in this division_______' Employee of the Year'.
【单选题】According to the writer, what is the most important requirement of being an employee?
A.
Professional knowledge.
C.
Cooperation with other colleagues.