[单选题]Where is Miss Smith? —_________A.She's from England. B. She's at home. C. S
[单选题]What makes a person a scientist? Does he have ways or tools of learning tha
[单选题]“Mom, can I have some money?” Those are the words my mother used to hear al
[单选题]It is said that ______ boys in your school like playing football in their s
[单选题]个人博客网站是通过互联网发表各种思想的场所,其中博客是____。A.博士的客人B.写“网络日志”的人C.写博士论文的人D.博学的人
[单选题]Many people would agree that stress is a major problem in modern life. It i
[单选题]在Word的编辑状态设置了标尺,可以同时显示水平标尺和垂直标尺的视图方式____。A.普通方式B.页面方式C.大纲方式D.全屏显示方式
[单选题]要打开新InternetExplorer窗口,应该____。A.按CTRL+N键B.按F4键C.按Ctrl+D键D.按回车键
[单选题]Three men traveling on a train began a conversation about the world5 s grea
[单选题]冯·诺依曼计算机的基本原理是____。A.程序外接B.逻辑连接C.数据内置D.程序存储
[单选题]在计算机中,信息的最小单位是____。A.字节B.位C.字D.KB
[单选题]Fruit is good for people. Many people eat some ( 1 ) every day. Mr and Mrs
[单选题]–Oh, dear! I've just broken a window.–______A.Don't worry B.All right C.Tha
[单选题]Martin Luther King was a black minister, who became a great leader of the c
[单选题]计算机中的所有信息都是以二进制方式表示的,主要理由是____。A.运算速度快B.节约元件C.所需的物理元件最简单D.信息处理方便
[单选题]计算机一次能处理数据的最大位数称为该机器的____。A.字节B.字长C.处理速度D.存储容量
[单选题]采用超大规模集成电路的计算机是计算机发展中的____。A.第4代B.第3代C.第2代D.第1代
[单选题]–Can I speak to Mr. Rose? –______Can I take a message for him?A.This is he.
[单选题]在Windows中,“计算机”图标____。A.一定出现在桌面上B.可以设置到桌面上C.可以通过单击将其显示到桌面上D.不可能出现在桌面上
[单选题]Many people would agree that stress is a major problem in modern life. It i
[单选题]计算机网络按使用范围划分为____和____。A.广域网局域网B.专用网公用网C.低速网高速网D.部门网公用网
[单选题]Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo.
[单选题]My secret for staying young is simple. Put all your attention to the part o
[单选题]在Excel2010中,利用“查找和替换”对话框____。A.只能做替换B.只能做查找C.既能做查找又能做替换D.只能做一次查找或替换
[单选题]–Is Mary(John) there?–______A.Speaking B.I’m not MaryC.Who are you D.Mary i
[单选题]计算机系统由硬件系统和软件系统两部分组成,下列选项中不属于硬件系统的是____。A.中央处理器B.内存储器C.I/O设备D.系统软件
[单选题]Martin Luther King was a black minister, who became a great leader of the c
[单选题]决定可用的外设和与外设交换数据的速度的是____。A.输入输出数据传输速度B.内存容量C.外存容量D.运算速度
[单选题]Haven't seen you for ages! What are you busy doing now? —_____________.A.I
[单选题]在Word编辑状态下,改变段落的缩进方式、调整左右边界等操作,最直观、快速的方法是利用____。A.菜单栏B.工具栏C.格式栏D.标尺