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【简答题】
物体由于被举高而具有的能，叫做______能．影响重力势能大小的因素：物体的______、物体被举的______．物体的质量越大、高度越高，其重力势能就越______．
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反馈参考答案：
举一反三
【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.
A.
T
B.
F
C.
NG
【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?
A.
alternation ranking
B.
graphic rating scale
C.
forced distribution
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
A.
正确
B.
错误
【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______．
【简答题】Good morning and welcome to the first day of employee 1.____at Emerson Advertising, Inc. As most of you know by now, Kenneth Emerson 2. ____Emerson, Inc. 15 years ago. Since then, we have become one o...
【单选题】According to the writer, what is the most important requirement of being an employee?
A.
Professional knowledge.
B.
Technical ability.
C.
Cooperation with other colleagues.
D.
Independence.
【单选题】13 A leader who spends most of her time communicating with the public about the company and interacting with her employees to ensure that they have what they need to do their jobs, but who does not en...
A.
Directing
B.
Coaching
C.
Implementing
D.
Supporting
E.
Delegating
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