单选题对长度为10顺序表进行顺序查找，若查找前5个元素的概率相同，均为1/8，查找后5个元素的概率相同，均为3/40，则查找到表中任一元素的平均查找长度为______。

单选题 (63) 不是网络操作系统的系统模型。只能用于构造简单的对等式网络的操作系统是 (64) 。典型的集中式网络操作系统是 (65) 。

单选题在需求分析中，开发人员要从用户那里解决的最重要的问题是 (8) 。需求规格说明书的内容不应包括 (9) ，该文档在软件开发中具有重要作用，但其作用不应包括 (10) 。

单选题以下关于极限编程（XP）的最佳实践的叙述中，不正确的是（ ）

单选题某二叉树的前序序列为ABDFGCEH，中序序列为FDGBACHE，则该二叉树的后序序列为 (38) ，层序序列为 (39) 。

单选题若本地域名服务无缓存，当采用递归方法解析另一网络某主机域名时，则用户主机、本地域名服务器发送的域名请求条数分别为______。 A．1条，1条 B．1条，多条 C．多条，1条 D．多条，多条

单选题面向对象技术中，对已有实例的特征稍作改变就可生成其他的实例，这种方式称为______。 A．委托 B．代理 C．继承 D．封装

单选题一个程序根据输入的年份和月份计算该年中该月的天数，输入参数包括年份(正整数)、月份(用1～12表示)。若用等价类划分测试方法进行测试，则______不是一个合适的测试用例(分号后表示测试的输出)。

单选题软件开发模型是指软件开发的全部过程，活动和任务的结构框架。主要的开发模型有瀑布模型、演化模型、螺旋模型、喷泉模型和智能模型。螺旋模型将瀑布模型和演化模型相结合，并增加了 (15) ，它建立在 (16) 的基础上，沿着螺线自内向外每旋转一圈，就得到其一个新版本。 喷泉模型描述了 (17) 的开发模型，它体现了这种开发方法创建软件的过程所固有的 (18) 和 (19) 的特征。

单选题● (13)既不是图像编码也不是视频编码的国际标准。

单选题某模块实现两个功能：向某个数据结构区域写数据和从该区域读数据。该模块的内聚类型为（ ）内聚。

单选题甲企业开发出某一新产品，并投入生产。乙企业在甲企业之后两个月也开发出同样的新产品，并向专利部门提交专利申请。在乙企业提交专利权申请后的第6日，甲企业向该专利部门提交了与乙企业相同的专利申请。按照专利法有关条款，______获得专利申请权。 A.甲乙企业同时 B.乙企业 C.甲乙企业先后 D.甲企业

单选题若待排序的记录数目较少且已按关键字基本有序，则宜采用______排序算法。

单选题The Rational Unified Process (RUP) is a software engineering process. which captures many of best practices in modem software development. The notions of (71) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions-time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (72) which is concluded with a well-defined (73) and can be further broken down into (74) -a complete development loop resulting in a release of an executable product, a subset of the final product under development，which grows incrementally to become the final system. The content structure refers to the disciplines, which group (75) logically by nature.

单选题●采用面向对象开发方法时，对象是系统运行时基本实体。以下关于对象的叙述中，正确的是(37) 。

单选题Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened between. As was discussed before, it was not until the 19th century that the newspaper became the dominant preelectronic mediam, following in the wake of the pamphlet and the book and in the company of the periodical. It was during the same time that the communications revolution speeded up, beginning with transport, the railway, and leading on through the telegraph, the telephone, radio, and motion pictures into the 20th - century world of the motor car and the air plane. Not everyone sees that processin perspective. It is important to do so. It is generally recognized, however, that the introduction of the computer in the early 20th century, (66) by the invention of the integrated circuit daring the 1960s, radically changed the process, although its impact on the media was not immediately (67) . As time went by, computers became smaller and more powerful, and they became "personal" too, as well as (68) , with display becoming sharper and storage (69) increasing. They were thought of, like people, (70) generations, with the distance between generations much (71) . It was within the computer age that the term "information society" began to be widely used to describe the (72) within which we now live. The communications revolution has (73) both work and leisure and how we think and feel both about place and time, but there have been (74) view about its economic, political, social and cultural implications. "Benefits" have been weighed (75) "harmful" outcomes. And generalizations have proved difficult.