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收到检举的部门和负责处理的部门应当为检举人( )。
A
撑腰C.记功
B
保密
C
发奖
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B
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历史资料分析法具体包括的方法有( )。
会计报表不包括( )。
最优化、效益性、决策有用性、及时性、重要性和灵活性,共同构成了现代管理会计的( )。
外部故障成本是指不符合质量要求的产品或劳务,销售交付客户以后所发生的成本,包括()
下列各项中,能反映变动成本法局限性的说法是( )
用变动成本法计算产品成本时,对固定性制造费用的处理时( )
假设企业将4 000元存入银行,拟于4年后对企业中某项设备进行更新,若复利年利率为7%,4年后的本利和为()
销售部门发生的销售费用应采用的预算方法是()
管理会计中的长期投资决策是指( )。
责任中心成本与产品成本的不同之处包括()
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1.
3.Friction is a force which opposes motion. Much of the energy supplied to a complicated machine with many moving parts is wasted in overcoming this opposition. The energy is converted into useless heat. The amount thus lost can be considerably reduced and the life of the machine prolonged by careful lubrication. This reduction improves the efficiency of the machine. Another way in which friction is reduced is to substitute roller or ball bearings for the earlier type of bearing, in which the surfaces in contact move by sliding. Bearings of these later types are used very extensively in many kinds of modern machinery.It must not be assumed, however, that friction is always a disadvantage. In many instances it is highly important. Belts are often used in conveying power from one machine to another. In the absence of friction, this could not be done. The driving wheel would not run the belt, neither would the belt run the wheel to driver. Without friction, then, belted machinery could not be used. Again in the case of all motor vehicles, friction is essential in the operation of the brake. Were there no friction, there could be no brake. But even this illustration does not give an adequate picture of the importance of friction. The vehicle could not even be started if it were not for the friction exerted between the tires and the road. Nails hold in wood, and screws hold in either wood or metal by reason of friction, without which they would be useless. Walking is difficult enough on an icy pavement, but it would be wholly impossible if there were no friction at all between the shoe and the pavement.(5分)3.1Friction arises when____.(1分)A. an opposing force of motion existsB. the energy is wastedC. everything is motionlessD. a complicated machine is supplied with energy
2.
项目管理是在组织的协调下,由总经理负责,在一定约束条件下,对项目实施全过程进行高效率的计划.组织.协调和控制,最优实现项目目标的系统的科学管理过程。
3.
32.公务员法律关系消灭的原因主要有【 】
4.
当典型的二阶系统含有零点时,系统的瞬态响应
5.
bull’s-eye
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