【判断题】
无线鼠标不使用电缆传输数据，而是在鼠标中内置发射器，将数据传输到接收器上，再由接收器传给计算机
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相关试题
【判断题】
Internet的拓扑结构是全互连的星形拓扑
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2,计算机网络是能够通信的计算机系统的集合
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3,连接成计算机网络的目的是实现资源共享
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4,计算机网络通信中传输的信号是数字信号
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6,Internet中每台计算机的IP地址是唯一的
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7,从键盘输入统计数据、运行外来程序、U盘表面不清洁、机房电源不稳定都可能计算机感染病毒
【判断题】
Internet应用最广泛的协议是TCP/IP
【判断题】
9, Wang tao# 163.com是一个正确的电子邮件地址
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卡巴斯基、IE、诺顿、瑞星等软件都是杀毒软件
【判断题】
线性表的链式存储比顺序存储更有利于在表头进行插入和删除操作
【判断题】
在数据的树状结构中，数据元素之间为多对多的关系
【判断题】
栈既可以采用顺序存储结构，也可以采用镇,心们储结构
【判断题】
设有n个结点的完全二叉树，如果按照从自上到下、从左到右从1开始顺序编号，则序号为i 的结点的左孩子结点的序号为2i
【判断题】
非线性结构可以用来描述客观世界中广泛存在的层次结构和网状结构的关系
【判断题】
满二叉树一定是完全二叉树，完全二叉树不一定是满二叉树
【判断题】
冒泡排序在初始关键字序列为逆序的情况下执行的交换次数最多
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线性表的顺序存储结构比链式存储结构更好
【判断题】
线性表中的所有元素都有一个前驱元素和一个后继元素
【判断题】
完全二叉树中的叶子结点只可能在最后两层中出现
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在计算机系统中，资源包括硬件资源和外部设备资源两类
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正版Windows 7操作系统不需要激活即可使用
【判断题】
计算机在工作状态下重新启动，可采用热启动，即按【Delate+Ctrl+Alt】组合键
【判断题】
任何一台计算机都可以安装Windows 7操作系统
【判断题】
在Windows 7操作系统中，单击第一个文件后， 按住[Ctrl]键，再单击最后一个文件，可以选定-组连续的文件
【判断题】
计算机软件按其用途及实现的功能不同可分为系统软件和应用软件两大类
【判断题】
Windows Aero是Windows重新设计的用户界面，透明玻璃感让使用者一眼贯穿
【判断题】
任务管理器提供有关计算机上运行的程序和进程信息，一般用户可以通过它查看正在运行的程序状态、终止已经停止响应的程序、结束程序或进程、显示计算机性能
【判断题】
在Word2010编辑状态下，如果选择的文字中含有不同的字体，那么在格式栏“字体”框中，将会显示所选文字中第一种字体的名称
【判断题】
内容为空白，则说明被选定文字中含有两种以上的字号
【判断题】
在Word 2010表格中，通过拖动鼠标选择多个单元格后按【Delete)】键，则选择单元格被刪除
【判断题】
Excel 2010中的单元格可用来存取文字、公式、函数及逻辑值等数据
【判断题】
在Excel 2010中，如果单元格A5的值是单元格Al:A4 的平均值，则输入“=AVERAGE(A1,A2,A3,A4)”
【判断题】
COUNT函数用于计算区域中单元格个数
【判断题】
在PowerPoint 2010中，用“文本框”工具在幻灯片中添加文字时，文本框的大小和位置是确定的
【判断题】
在“自定义动画”对话框中，不能对当前的设置进行预览
【判断题】
在PowerPoint2010中，可以利用内容提示向导来创建新的幻灯片
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
