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[单选题]
PowerPoint2003的“幻灯片设计”一般包含________。(1分)
A
设计模板、配色方案和动画方案
B
幻灯片版式、配色方案和动画方案
C
幻灯片背景颜色、配色方案和动画方案
D
幻灯片版式、背景颜色、配色方案
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试题答案：
A
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相关题目
在Excel 2010中，一张工作表所包含的单元格个数为________ 。
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热门试题
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)3.1 Friction arises when____.(1分)A. an opposing force of motion exists B. the energy is wastedC. everything is motionlessD. a complicated machine is supplied with energy
2.
第三届中越青年大联欢启动仪式( )在越南谅山省友谊关举行，两国约万名青年代表开始在越南多地参加为期5天的交流、联谊等活动。
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属于上肢带骨的是( )
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函数F(x)为在区间内有极小值的单峰函数，进行一维搜索时，取两点10和15，若F(10)>F(15),则缩小后的区间为（）
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