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问题 单项选择题

就绪队列中有n个进程等待使用一个CPU，那么，如果采用不同的调用算法，就有( )种调度顺序。

A．n

B．nn

C．n*(n-1)/2

D．n!

答案

参考答案：D

解析：排列组合]。

材料题

阅读下列材料，回答问题。

材料一

如下图

材料二

1967年西欧六国成立欧共体，1993年易名为欧洲联盟。从欧共体成立到今天的欧盟，经过6次扩大，地域范围从最初的西欧地区逐步扩展到中东欧地区，成员国也已经发展到了27个。材料三

2009年11月3日，《里斯本条约》在所有27个成员国完成批准程序，清除了欧洲一体化的最大障碍，欧盟一体化进程迈出关键一步。

（1）分析材料一，指出西欧经济高速发展是在哪一阶段（用字母表示）？其高速发展的主要原因有哪些？

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（2）依据材料二，概括欧盟在形成和发展过程中规模发生了哪些变化？

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（3）根据材料三和所学知识，分析欧盟一体化的加强对成员国及世界格局有何重要影响？

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单项选择题

Microsoft’s COM is a software (71) that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components, a way for components to dynamically discover the interfaces implemented by other components, and a mechanism to identify components and their interfaces uniquely.
OLE is a compound (72) standard developed by Microsoft. OLE makes it possible to create (73) with one application and link or embed them in a second application. Embedded objects retain their original format and (74) to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A (75) compound document standard developed mainly by Apple and IBM is called OpenDoc.

A．contained

B．competing

C．connecting

D．completing
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