相关试题
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1.如果加密密钥和解密密钥相同，这种密码体制称为___.
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3.计算机网络是一些___计算机系统的集合。
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5.计算机网络核作用范围距离划分可分为___、___、___。
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6.网卡也称___网卡是局域网中基本的部件之一，它是连接___的硬件设备。
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7. ADSL技术称为___，作为一种___方式，可以为用户提供宽带网的所有用业务。
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8. Internet 地址是层次结构地址，___和___两部分组成。
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9.超链接不但可以指向网站、网页，而且可以指向___地址。
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10. DNS 是___的简称，ISP 是___ 的简称，HTTP 是___的简称。
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1.高度为h的完全二叉树中最少有___个结点, 最多有___个结点。
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2.设一棵完全二叉树有128 个结点，则该完全二叉树的深度为___，有___个叶子结点。
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3.一般将数据结构分为线性结构和___两大类。
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4.设某算法原操作执行的次数是3n²+4m-7, 则其时间复杂度用数量级表示为___）。
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5. 一种数据结构的元素集合D和它的二元关系R为D={a,b,c,d,e,f,g,h}R={<a,<b, c，<c,d>, <d, e, <e, f>,<f, g, <g, h>}则该数据结构具有___结构。
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6.一种数据结构的元素集合D和它的二元关系R为D={1，2,3,4，5，6}R= ｛〔1，2〕，〔2，3〕,〔2，4〕， 〔3，5〕，〔3，6〕}则该数据结构具有___结构
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7.设栈S和队列Q的初始状态皆为空，元素a1, a2. a3, a4, a5, a6依次通过一个栈，一个元素出栈后即进入队列Q,若6个元素出队列的顺序是a3a5a4a6a2a1,则栈S至少应该容纳___个元素。
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8.设某棵二叉树中度数为0的结点数为N0,度数为1的结点数为N1，则该二叉树中度数为2的结点数为___; 若采用二叉链表作为该二叉树的存储结构，则该二叉树中共有___个指针域值为空。
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9.设一棵完全二叉树的顺序存储结构中存储数据元素为ABCDEF，则该二叉树的先序遍历序列为___,中序遍历序列为___后序遍历序列为___。
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10.设一棵二叉树的先序序列为ABC,则有___种不同的二叉树可以得到这种序列。
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1.在Windows 7操作系统中文件夹是按___结构组织管理的。
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2.___操作系统是目前全球最大的一个自由软件，它是一个可与商业UNIX操作系统和Windows操作系统系列相媲美的操作系统，具有包括完备的网络应用在内的各种功能。
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3.___是用户对计算机进行配置的重要 工具，默认安装了许多管理程序， 还有
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4. Windows 7操作系统是由___公司开发的。具有革命性变化的操作系统。
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5.要安装Windows7操作系统，系统磁盘分区必须为___格式。
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7.每个文件有且仅有一个文件名，操作系统通过文件名实现对文件的存取。文件名的格式为___.[扩展名]。
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___是图形用户界面中程序和文件的容器，用于存放程序、文档、快捷方式和
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9.通常用文件的___区分不同文件的类型。
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10. 在桌面状态下按,___键可弹出Windows7的“Windows帮助和支持” 窗口。
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1.用户在使用Word 2010编辑、查看或打印已有文档时，首先应当___己有文档。
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2.在Word 2010中为了更好地组织冗长文档的编排，可使用___视图方式。 在这种视图方式中，可以折叠文档以便只看标题、子标题，或者展开查看整个文档。
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3.___是人机交互的窗口， 实际上是指Word 2010显示文档的方式。
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4.电子表格由行列组成的工作表构成，行与列交叉形成的格子称为___，其是Excel 2010中基本的存储单位，可以存放数值、变量、字符、公式等数据。
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5. 在Excel 2010中，在AI单元格中输入=SUM〔8, 7, 8,7〕， 则其值为___.
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6. 准备在一个单元格内输入一个公式，应先输入___ 先导符号。
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7.在PowerPoint 2010中，演示文稿的扩展名是___。
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8.在PowerPoint 2010中，___就是一 组设计设置。 其中包含颜色设置、字体选择、对象效果设置，在很多时候还包含背景图形。
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9.要在PowerPoint 2010中对幻灯片进行保存、打开、新建等操作时.应在___选项卡中操作。
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10.要观察幻灯片中的动画和切换效果，应单击“动画”选项卡的“预览”组中的___。
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10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
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6 The committee agreed that his papers
[ ] a wider circulation because of their essential and fundamental interest to a larger audience.
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1 Because women often restrict their diet
In an effort to control weight,they may
Not consume enough iron-rich food and
( ) experience an iron Deficiency.
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8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
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7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
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2 Some reform advocates ignore the impact of
Class size on student achievement,and they
are ( ) what they call as a Priority:teacher effectiveness.
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3 Because of easy access to the Internet,the
New breakthrough tq create something
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4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
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5 Nature has( ) these animals ( ) a capacity for not showing Fear.
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6 During the weeks of discussion,delegations
from groups who are interested in the
Resolution may call on representatives to
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7 Plato was a superb writer,and his works are
Part of the world’s great literature.Most of
His existing work is ( )Dialogs and letters.
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8 Young people should enter into a broad
Flexible training program,through which
They can learn a lot and be ( ) their future careers.
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9 The young man is very happy and proud to
be ( ) the old professor because he always feeIs great when talking With him.
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10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
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7 Being asingle parent,there is no way for her
to ( ) the time and energy she has
devoted to her children for the past 10 years.
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8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
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9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
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10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
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2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
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3 Nearly six million people go to see the Mona
Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
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4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
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5 There is a real need to ( ) academic
achievement in schools and help with the
development of a student's overall character.
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6 Einstein said his scientific discoveries grew
from his imagination rather than from( ),
reason and language.
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1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
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2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
【填空题】
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3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion
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4 A number of countries are [ ]their efforts to send out food to the area worst affected by the flood.
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She authorizcd her partner to carry out daily responsibllitles [ ]when she was on her business trip
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On hering the latest news about your mother's ill health, I [ ]canceling your reservation at the Sheraton.
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There was an obvious indication that the police who have to enforce the new law were not[ ] the general discontent.
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When she heard of her failure in the experiment, her eyes[ ]tears; whether it was of shame, frustration, orgrief was difficult to tell.
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Rose knows that continuous letters fromJohn, together with countless roses are aimedat making her[ ]him.
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[ ]public school for drinking and smoking and then failing inshow business as a singer, she joined her father's business 10 years ago.
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Since the great scandals in banking,many people in the Country have[ ]the prospects of economic recovery within a few years.
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The parents were quite happy to[ ]our suggestion because had taked their most important concernsinto consideration.
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1When employees participated in the problem-solving process, they were muchvmore willing to [ ] solutions to the problems.___
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2 A strong police force has been placed between the two [ ]group in the village to prevent fighting and killing.___
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profit , rival, motivate,implement, investigate
3 Although personally we believe this to be of only secondary importance, its potential role in [ ] innovative acts cannotbe.___
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profit , rival, motivate,implement, investigate
4Though many things have been changed culturally, there is a commitment and sense of responsibility that have not yet been [ ] in today's society___
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5 Western nations have older and shrinking populations since they entered the 21stcentury and their [ ] birth rates have also posed problems___
