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40501十六进制数FFH对应的十进制数为（）。
40502计算机病毒的本质特征是（）。
40503Windows下恢复被误删除的文件应使用（）
40504当应用程序窗口被最小化后，该应用程序将（）。
40505Windows操作系统的“桌面”指的是（）。
40506Windows操作系统自带的“画图”软件，创建的位图文件的默认扩展名为（）。
40507用某种方法把伪装消息还原成原有的内容的过程称为址（）。
40508Excel的筛选功能包括（）。
40509下面有关数制的说法中，正确的是（）。
40510PowerPoint中，有关选定幻灯片的说法中正确的是（）。
40511在多媒体计算机中，常用的图像输入设备是（）。
40512下面有关外存储器的描述不正确的是（）。
40513一般将计算机软件分为系统软件和应用软件两大类，下列各项中属于系统软件的是（）。
40514下列选项中（）属于计算机硬件系统。
40515下列配置中哪些是MPC必不可少的（）。
40516冯·诺依曼的观点，计算机的五大组成部件是（）。
40517路径是描述文件位置的一条通路，通过路径，可以找到对应文件的位置。（）
40518编辑区中闪烁的竖线光标，表示当前可插入点。（）
40519我的文档，保存文件时，用户自定义保存的位置。（）
40520新建文档操作只可通过常用工具栏的新建按钮。（）
40521可以通过Ctrl+S实现快速保存文档。（）
40522文档的打开只可通过“文件”→“打开”操作实现。（）
40523启动Excel程序后，程序自动建立一个名为“Bookl”的工作簿。（）
40524计算机病毒的传播途径可能是（）。
40525按照网络的传输速率，从小到大排序错误的是（）。
40526博客是网络上一种表达个人思想、存储信息资源的工具，作为一种新的信息表达和管理的方式，以下属于博客功能的是（）。
40527PowerPoint2010若要保存幻灯片演示文稿的格式，文件名后缀是（）。
40528要关闭当前打开的页面，下面哪些操作能实现（）。
40529临时文件夹中，文件的删除说法错误的是（）。
40530Windows“媒体播放机”只可以播放音频文件。（）
40531多媒体是指能够同时获取、处理不同类型信息媒体的技术，这些信息媒体包括声音、图形、图像、动画、视频等，但不包括文字。（）
40532多媒体技术，使教学的思想性、科学性、艺术性充分结合，可为各学科教学提供丰富的视听环境。（）
40533计算机病毒按传播媒介可分为单机病毒和网络病毒。（）
40534IP地址是分给Internet上的计算机一个唯一的Internet编号标识。（）
40535UDP协议是一种可靠的无连接协议。（）
40536TCP/IP分层模型包括4层：物理链路层、网络层（也叫IP层）、运输层（也叫TCP层）、应用层。（）
40537单击菜单“格式”→“背景”，可对幻灯片进行背景设置。（）
40538普通视图包含大纲窗格、幻灯片窗格和备注窗格等4种窗格。（）
40539一个多媒体演示文稿可承载哪些基本信息。
40540“复制”与“剪切”有何区别。
40541The biggest threat posed by the covid-19 outbreak is, of course, the health risks it poses.
40542The more education they receive, the better they can work.
40543On this front, the most vulnerable people are low-wage workers in low-income households without paid leave.
40544在这方面，最脆弱的群体是来自低收入家庭没有带薪假期的低薪工人。
40545Tom is a taxi driver, （） he really wants to be a singer.
40546Do you know if Jack will drive to New York this weekend?- Jack? Never! He （） driving so far.
40547Is there any （） for two chairs in the office?- Yes, I think so.
40548How was the performance last night?- it was so good. Though it （） nearly four hours, few people left early.
40549I was late for school because my alarm clock didn’t （）this morning.
40550（） you leave so soon?-Yes. I have to catch My plane.
40551What did that lady ask you just now?- She asked me（）.
40552He （） his English teacher when he was sightseeing in Paris.
40553He wrote his phone number （） a piece of paper.
40554Like so many creative people he was never（）. –That’s why he’s made lots of valuable paintings.
40555We hope you can （） your word to come for a long wait. – OK, I’ll try my best.
40556My parents （） allow me to go swimming in the river without them. – I think so. That’s too dangerous.
40557Stan’s dad died, leaving his mother to （） three sons alone. – That’s not easy for his mother.
40558How nice the fruitcake is! – Thanks, please. You must have a （） of it.
40559He has asked three managers for a certain answer but （） has a different reply.
40560He must miss his family! – Right. You can see his eyes （） when he talks about his parents.
40561I heard Ted broke his right leg again. – I don’t know （）.
40562他们总是愿意帮助处在困境中的朋友。
40563诚信的实质是守规则。重荣誉。
40564他们听到这个消息，马上就赶往机场。
40565They are always willing to help friends in difficulties.
40566We must study hard, or/ otherwise we will not /can’t pass the exam.
40567To have credibility is to abide by the rules and behave honorably.
40568They hurried to the airport as soon as they heard the news.
40569新冠肺炎爆发所造成的最大威胁，毫无疑问是随之而来的健康风险。
40570他们受到的教育越多，就越能更好地工作。
40571We’ll travel to different places in this summer vacation. Enjoy your trip! – （）.
40572Do you know if Jack will drive to New York this weekend?- Jack? Never!He （） driving so far.
40573A nice shirt!A present?- Yes, it is. My aunt （） it to me for My last birthday.
40574Is Mr. Smith in the office?- No, He（）to the library.
40575How exciting! I drove my new car at a speed of 110km/h on Sunday morning. – Were you crazy? You （） yourself!
40576Most people believe that the advantages of the Internet outweigh its disadvantages.
40577As a volunteer, she teaches English in the community in her spare time.
40578That’s one of the best concerts I have ever been to.
40579Excuse me, can I park my car here?- Yes, you can park on （） side of the street.
40580Oh you sound just like an Englishman.- （）, I still have trouble expressing myself.
40581Although he failed this time, he didn’t give up and （）studying hard.
40582We’d better invite Tom and Kate to the party tonight.- Yes, （） ? I’ll give them a call right now.
40583Why are you so （）, Helen?- I thought I had lost my purse, but I didn’t. I found it in my study!
40584How was the performance last night?- It was so good. Though it （） nearly four hours, few people left early.
40585（） you leave so soon?-Yes. I have to catch my plane.
40586Thank you so much for the coat you bought me． —（）．
40587Mike, I am going to skate in the mountains tomorrow． — Oh, really? （）
40588Who is that speaking?—This is Tom （）．
40589I think he is a good teacher! — ?????????（）．
40590If you don’t use matches properly, they （）cause fires．
40591Are you going to Jim’s birthday party this evening?— I’m busy, so I won’t （） he insists．
40592The power went out suddenly． It was so dark that （）could be seen clearly．
40593I didn’t know what to do, but then an idea suddenly （）to me．
40594Which is your brother?— The big man, smartly dressed （） a suit and tie．
40595All things are difficult before they are easy．
40596Laptop computers are popular all over the world and give people easy access to the Internet．
40597It seemed that we experienced four seasons in a day．
40598Though it was late, they kept on working．
40599It normally takes a semester for a college freshman to adjust to his or her college life．
40600Travel broadens the mind．
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