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4、下面关于图的说法正确的有 The right statements of graphs in the following are:
A.对于有向图，每个结点的出度必须要等于入度。As for directed graph, each vertices’ out-degree is equal to its in-degree.#B.对于一个连通图，一定存在一种给边添加方向的方案使得这个图变成强连通图。For a connected graph, there must be a way of directing all the edges of the original graph to make the graph strongly connected graph.#C.对于有向图，所有结点的入度加起来一定为奇数。For directed graph, the sum of in-degrees of all nodes must be odd number.#D.对于无向图，所有结点的度数加起来一定是偶数。As for undirected graphs, the s参考答案和解析
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更多 “4、下面关于图的说法正确的有 The right statements of graphs in the following are:A.对于有向图，每个结点的出度必须要等于入度。As for directed graph, each vertices’ out-degree is equal to its in-degree.#B.对于一个连通图，一定存在一种给边添加方向的方案使得这个图变成强连通图。For a connected graph, there must be a way of directing all the edges of the original graph to make the graph strongly connected graph.#C.对于有向图，所有结点的入度加起来一定为奇数。For directed graph, the sum of in-degrees of all nodes must be odd number.#D.对于无向图，所有结点的度数加起来一定是偶数。As for undirected graphs, the s” 相关考题
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12 Which of the following statements are correct?(1) Contingent assets are included as assets in financial statements if it is probable that they will arise.(2) Contingent liabilities must be provided for in financial statements if it is probable that they will arise.(3) Details of all adjusting events after the balance sheet date must be given in notes to the financial statements.(4) Material non-adjusting events are disclosed by note in the financial statements.A 1 and 2B 2 and 4C 3 and 4D 1 and 3
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In the following kinds of graphs, which one's adjacency matrix is symmetric?A．Directed graphB．Undirected graphC．AOV networkD．AOE network
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The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?A.The profile of the valve is like a globeB.The valve seat is set into the bulbous bodyC.The plug or disc of the valve is made vertical to the axis of the pipeD.The valve seat is located at right side of the plug or disc
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Which of the following statements would the writer agree to?A. It is important to have the right food for children。B. It is a good idea to have the TV on during dinner。C. Parents should talk to each of their children frequently。D. Elder children should help the younger ones at dinner
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关于理财计算器，下列说法正确的有()。A:{图}为年金
B:{图1}为年利率
C:默认值为显示小数点后两位数字，按{图2}更改显示的小数位数
D:按{图3}更改年付款次数
E:{图4}为期数
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Which of the following statements is NOT true?（）AOliver Cromwell became Lord Protector of the Commonwealth of England in 1653 by the Petition of Right.BOliver Cromwell crushed without mercy a rebellion in Ireland.COliver Cromwell suppressed the Levellers,a group within his own army who advocated total religious and social equality.DOliver Cromwell replaced the Rump with an assembly largely chosen by himself.
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下面关于矢量图的说法中，不正确的是：（）A、矢量图由矢量定义的直线和曲线组成，根据轮廓的几何特性进行描述B、矢量图适合表现各种图形C、矢量图由矢量绘图的程序生成D、矢量图充分放大时不会造成失真
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Which of the following statements is NOT true?（）A、Oliver Cromwell became Lord Protector of the Commonwealth of England in 1653 by the Petition of Right.B、Oliver Cromwell crushed without mercy a rebellion in Ireland.C、Oliver Cromwell suppressed the Levellers,a group within his own army who advocated total religious and social equality.D、Oliver Cromwell replaced the Rump with an assembly largely chosen by himself.
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关于剪力图和弯矩图的形状下面说法正确的有（）。A、梁上作用有均布载荷的段上，剪力图是水平线B、梁上作用有均布载荷的段上，剪力图是斜直线C、梁上作用有均布载荷的段上，弯矩图是斜直线D、梁上作用有均布载荷的段上，弯矩图是三次曲线
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关于剪力图和弯矩图的形状下面说法正确的有（）。A、有集中力作用的截面剪力图没有突变B、有集中力偶作用的截面弯矩图没有突变C、有集中力作用的截面弯矩图有尖角D、有集中力偶作用的截面剪力图有突变
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Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（） A、 A list of SQL statements and recommendations for tuningB、 A list of SQL statements that have been tuned by the Advisor，with before and after metrics C、 Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesD、 All of the above
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下面不属于6R的是（）。A、正确的产品（right product），正确的时间（right time）B、正确的数量（right quantity），正确的质量（right quality）C、正确的态度（right statues），正确的地点（right place）D、正确的采购（right Source），正确的配送（right Deliver）
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Which of these appropriately describes the results of a manual SQL Tuning Advisor task?（）A、A list of SQL statements and recommendations for tuningB、A list of SQL statements that have been tuned by the Advisor, with before and after metricsC、Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesD、All of the above
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单选题Which of the following statements is incorrect according to the passage?A
Women did not have the right to vote before 1900.B
Women had the right to vote throughout the country in 1920.C
A little number of women held high academic and government positions in 1920.D
“Career women” were largely restricted to some areas.
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单选题关于剪力图和弯矩图的形状下面说法正确的有（）。A
梁上作用有均布载荷的段上，剪力图是水平线B
梁上作用有均布载荷的段上，剪力图是斜直线C
梁上作用有均布载荷的段上，弯矩图是斜直线D
梁上作用有均布载荷的段上，弯矩图是三次曲线
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单选题Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（）A
A list of SQL statements and recommendations for tuningB
A list of SQL statements that have been tuned by the Advisor，with before and after metrics C
Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesD
All of the above
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单选题Which of the following statements is true according to the passage?A
Businessmen absorbed in their career are narrow-minded.B
Managers often find it hard to tell right from wrong.C
People engaged in technical jobs lead a more rewarding life.D
Career seeks should not focus on immediate interests only.
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单选题关于剪力图和弯矩图的形状下面说法正确的有（）。A
有集中力作用的截面剪力图没有突变B
有集中力偶作用的截面弯矩图没有突变C
有集中力作用的截面弯矩图有尖角D
有集中力偶作用的截面剪力图有突变
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单选题下面不属于6R的是（）。A
正确的产品（right product），正确的时间（right time）B
正确的数量（right quantity），正确的质量（right quality）C
正确的态度（right statues），正确的地点（right place）D
正确的采购（right Source），正确的配送（right Deliver）
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