2020年国家计算机二级考试模拟考试训练题库含答案（共450题）1、某URL为ftp://ftp、bta、net、cn/，则访问该资源所用的协议是____。
A、文件传输协议B、超文本传输协议C、分布式文本检索协议D、自动标题搜索协议2、哪些信息不可以在因特网上传输____。
A、声音B、图像C、文字D、普通信件3、哪种文件的扩展名是PPT____。
A、PowerPointB、WordC、ExcelD、网页4、如果想寻找一个文件，哪项内容与寻找该文件无关____。
A、文件的类型B、文件建立的时间C、文件的大小D、文件的图标5、设置了屏幕保护程序后，如用户在一段时间____Windows将执行屏幕保护程序。
A、没有按键盘B、没有移动鼠标器C、既没有按键盘，也没有移动鼠标器D、没有使用打印机6、使用Windows操作系统时，下列说法正确的是____。
A、不能同时打开多个窗口B、可以同时打开多个窗口C、不能同时执行多种任务D、可以在断电后保存内存中的信息7、数据和程序是以____形式存储在磁盘上的。
A、集合B、文件C、目录D、文件夹8、通常所说的FTP协议是指____。
A、简单邮件传输协议B、提供远程登陆功能C、文件传输协议D、保证数据的传输9、万维网的WWW的含义是____。
A、Work wide withB、wait wait waitC、Work wind weakD、World wide web10、网络中计算机之间的通信是通过____实现的，它们是通信双方必须遵守的约定。
A、网卡B、通信协议C、磁盘D、电话交换设备11、计算机工作最重要的特征是____。
A、高速度B、高精度C、存储程序和程序控制D、记忆力强12、计算机业界最初的硬件巨头“蓝色巨人”指的是____。
A、IBMB、MicrosoftC、联想D、Sun13、第四媒体是指（）。
A、报纸媒体B、网络媒体C、电视媒体D、广播媒体14、CAD是计算机的主要应用领域，它的含义是____。
19.We were all surprised when he made it clear that he ____ office soon. （得分：1分）A) leavesB) leftC) had leftD) would leave20.I had my hair cut at the _____ around the corner.（得分：1分）A) barber’sB) barbers’C) barberD) barbers21.During sleep blood pressure is normally ______ its lowest. （得分：1分）A) forB) atC) byD) in22.Many people have found _______ uncomfortable to hold the same position for a long time. （得分：1分）A) thatB) whichC) thisD) it23.If he had followed the doctor’s advice, he ____ quite all right now. （得分：1分）A) would beB) would have beenC) isD) to24.I have no objection _____ your story again.（得分：1分）A) to hearB) to having heardC) to hearingD) to have heard25.At the sound of the gun, the birds flew ____ all directions.（得分：1分）A) byB) fromC) toD) in26.The ______ about nuclear energy revolves around the waste problem.（得分：1分）A) public’s chief concernB) chief public concernC) public chief concernD) chief concern of public’s27.John didn’t want to risk ______ wet as he had only one suit. （得分：1分）A) to be gottenB) being gotC) to getD) getting28.We have some accidents on this line, but no accidents ______ since last winter. （得分：1分）A) occurB) have occurredC) had occurredD) are occurring29.The _________ shoe boxes were all that remained. （得分：1分）A) two little yellowB) two yellow littleC) little two yellowD) yellow two little30. Don't forget ____ your books to school.（得分：1分）A) to bringB) bringingC) broughtD) bring31.Her answer is considered not acceptable, and ______. （得分：1分）A) either is mineB) neither am IC) neither is mineD) mine is neither32.Physics _____ with matter and motion. （得分：1分）A) dealB) isC) dealsD) are33. I don’t think you’ve heard of him before, _____? （得分：1分）A) have youB) haven’t youC) do ID) don’t I34. Your husband should also _______ smoking or drinking five hours before bedtime. （得分：1分）A)stop toB)escapeC) quit toD)avoid35.At first he was very ______ about making the sailing in such stormy weather. （得分：1分）A) nervousB)numerousC)variousD) dangerous36.In their spare time, they may also ______ themselves in the Workers’ Palace of Culture.（得分：1分）A) ariseB)applyC)amazeD) amuse37.It’s necessary for us to be a(n) ______ person. （得分：1分）A)honestB)dishonestC)doubtfulD) hopeful38. China has launched a number of________satellites since the 1970s. （得分：1分）A)communicationsB)TVC) messageD) information39. The jazz musicians were _____ enough to attract all the dancers from another park. （得分：1分）A) bigB) powerfulC) largeD)huge40.She is ______ her mother; she is tall and her mother is very short. （得分：1分）A)unevenB) unequalC)unlikeD)different41.She appeared at the front door____ her finest jewel. （得分：1分）A)dressingB)puttingC)wearingD)having42.Apple trees are considered_____ when they begin bearing fruit. （得分：1分）A) immatureB)matureC)youngD)old43.To their surprise, they had much _______ and they even went to the same college. （得分：1分）A)common thingsB)all the sameC) in commonD)in the same44. You have to _____ your trip to New York as you are ill. （得分：1分）A)cancelB) checkC)catchD)charge45.Now they can go shopping together and talk with each other face ______.（得分：1分）A)and faceB) by faceC) with faceD) to face46.I was ______ a corn field when suddenly a very strong wind started blowing.（得分：1分）A) approachingB)gettingC) goingD)walking47.The walls of these house are too _____ to avoid hearing our next-door neighbors talking（得分：1分）A)thinB)tightC)thickD)tall48.In the 1970s, cars became much smaller and more economical because of the oil ______. （得分：1分）A)creamB)crossC)crimeD) crisis49.I think it would be wise to ______ the south. （得分：1分）A)make sureB)make outC) make forD)make up50.They have _____ out of paper. I will give them some. （得分：1分）A)finishedB)spentC) runD) used51.The students________ their thanks to their English teachers. （得分：1分）A)showedB)saidC) revealedD)expressed52.They are determined to get their rights ______. （得分：1分）A)at the costB)at all costsC) at a costD) at a loss53.Besides, protecting the environment is a serious ______. （得分：1分）A) matterB)affairC)eventD)incident_______________________________________________Passage 154.Which of the following is true according to the passage?（得分：2分）A)The guests know for sure who Shakespeare was.B)The first businessman is more foolish than the second oneC)The guests do not know who Shakespeare was.D)The second businessman is more foolish than the first one.55.How did the first man answer the guest’s question? （得分：2分）A)He answered the question successfully.B)He answered the question pleasantly.C)He didn’t like Shakespeare, the great writer.D)He didn’t like Shakespeare, a drink.56.What was the second businessman’s opinion on the subject? （得分：2分）A)Shakespeare was a kind of cheese.B)Shakespeare was not famous.C)Shakespeare was a great writer.D)Shakespeare was not his favorite.57.Why did the guests leave?（得分：2分）A) Because the host was not warm-hearted.B)Because the guests were not interested in the drinks.C)Because the two businessmen would leave.D)Because the first man was making fool of himself.58.Why was one of the businessmen worried? （得分：2分）A) Because he talked only about business.B)Because he did not do as his friend did.C)Because he was afraid of making a fool of himself.D)Because he was not familiar with the host and the guests._______________________________________________Passage 2__________.（得分：2分）A)she always looked elsewhere when asked to readB)she had difficulty in reading and comprehensionC)she had a poor vocabulary and very bad grammarD)she often forgot her school reading assignments60.The writer would pretend to be reading in the last 10 minutes of class because ________.（得分：2分）A)her mother had told her to do soB)the reading class was terribleC)she had to do what others were doingD)she was afraid of her trouble to be found out61.The writer’s reading ability improved a great deal mainly because __________.（得分：2分）A)she developed her own way of readingB)she took a course on speed readingC)her mother managed to help her outD)she became an eighth grade student62.From her own experience, the writer found that _______.（得分：2分）A)many people read fast in order to save timeB)in order to understand better, one has to read slowlyC)one does not pay enough attention to information if one readsfastD)one’s comprehension drops if one reads too slowly63.After reading this passage, we can see the writer wrote the passage in order to _______.（得分：2分）A)prove the importance of fast reading for comprehensionB)prove the importance of mother’s helpC)prove the importance of different reading skillsD)prove the importance of higher education_______________________________________________Passage 364.What did CCHRM do in the first half of 2009?（得分：2分）A)It guided Chinese college graduates in job interviews.B)It held job fairs and surveyed graduates on job hunting.C)It did 1000 researches on China Human Resource Market.D)It helped Chinese college graduates seek jobs.65.According to the CCHRM survey, in seeking jobs graduates usually _______.（得分：2分）A)need a dozen resumesB)spend about 30 yuan a personC)invest heavily on communication and clothesD)spend about 2,000 yuan a person66.According to Ma Jing, graduates four years ago, ________.（得分：2分）A)didn’t cost so much on job interviewB)had to compete with new graduatesC)didn’t have to pay for changed jobsD)also needed a dozen resumes on job seeking67.Which of the following is true about pretty resumes and clothes in job hunting?（得分：2分）A)Poorly-written resumes are usually sent by job seekers inpretty clothes.B)Nicer resumes and clothes did not necessarily bring in moreoffers.C)Job seekers in pretty clothes sent in poorly-written resumes.D)Nicer resumes and clothes did lead to more offers.68.76 percent of the researched resumes failed the evaluation of human resource experts because the resume writers___.（得分：2分）A)highlighted their unique skills and experience in detail.B)wrote lengthy descriptions without giving useful informationC)did not include their academic courses and school performance.D)did not highlight their unique skills and experience._______________________________________________Passage 469.When Bill was eighteen years old, he went to Harvard University to study ______.（得分：2分）A)public relationshipB)computer scienceC)lawD)software70.Bill Gates later dropped out of Harvard and went on to_____.（得分：2分）A)get an honor as a young Harvard manB)spend nights with the campus computerC)concentrate on his law studyD)start the Microsoft company71.Gates topped the list of the richest men on the planet_______.（得分：2分）A)in 2008B)for thirteen yearsC)for thirty-five yearsD)in 200772.The Bill and Melinda Gates Foundation was set up to_____.（得分：2分）A)rebuild the world’s biggest software companyB)give all their money to charity programsC)set an example for people like you and meD)help with health and education projects around the world73.In his retirement from his Microsoft Company, Bill Gates will devote himself mainly to_______.（得分：2分）A) his childhood friendB)charity programsC)fighting AIDSD)his children74. The power of words lies in their associations—the things they bring up in our memory or imagination.A)词语的力量在于它们能引发联想，即引出我们记忆或想象中的关联事物。
全国计算机二级模拟考试
1. 题目：在Excel中，若A1单元格的内容为10，B1单元格的内容为20，则在C1单元格中输入公式"=A1+B1"后，C1单元格显示的内容为____。
答案：30
2. 题目：在Word中，要设置段落的首行缩进，应该使用____功能。
答案：段落格式设置（或“段落”对话框）
3. 题目：在PowerPoint中，若要使幻灯片在放映时自动播放，应设置____。
答案：幻灯片切换的时间间隔（或“排练计时”）
4. 题目：在计算机网络中，IP地址是用来唯一标识网络中的____。
答案：主机（或“设备”）
5. 题目：在关系数据库中，用来唯一标识表中每条记录的一个或一组字段称为____。
答案：主键（或“主关键字”）
6. 题目：在C语言中，用于结束本次循环并开始下一次循环的语句是____。
答案：`continue`
7. 题目：在HTML文档中，用于定义文档标题的标签是____。
答案：`<title>`
8. 题目：在SQL语言中，用于查询表中数据的语句是____。
答案：`SELECT`
9. 题目：在Windows操作系统中，要查看计算机的网络连接状态，可以打开____。
答案：网络和共享中心（或“网络连接”窗口）
10. 题目：在算法分析中，表示算法时间复杂度通常使用大O记法，即O(f(n))。
若一个算法的时间复杂度为O(n^2)，则意味着该算法的执行时间与问题规模n的____成正比。
答案：平方（或“二次方”）。
2023年二级建造师考试补考考前模拟冲刺练习试题我国《专利法》保护的对象包括〔〕。
【多项选择题】A.科学发现B.创造C.实用新型D.新创造E.外观设计正确答案：B、C、E答案解析：专利法保护的对象就是专利权的客体，各国规定各不同。
2023年12月经修改后公布的《中华人民共和国专利法》〔以下简称《专利法》〕保护的是创造创造专利权，并规定创造创造是指创造、实用新型和外观设计。
根据《劳动合同法》，用人单位与劳动者已建立劳动关系，未同时订立书面劳动合同的，应当自用工之日起〔〕内订立书面劳动合同。
【单项选择题】A.1个月B.2个月C.3个月D.半年正确答案：A答案解析：用人单位自用工之日起即与劳动者建立劳动关系。
《劳动合同法》规定，建立劳动关系，应当订立书面劳动合同。
已建立劳动关系，未同时订立书面劳动合同的，应当自用工之日起1个月内订立书面劳动合同。
建立工程施工合同应以〔〕为合同履行地。
【单项选择题】A.原告住所地B.合同签订地C.施工行为地D.被告住所地正确答案：C答案解析：合同约定履行地点的，以约定的履行地点为合同履行地。
合同对履行地点没有约定或者约定不明确，争议标的为给付货币的，接收货币一方所在地为合同履行地；交付不动产的，不动产所在地为合同履行地；其他标的，履行义务一方所在地为合同履行地。
即时结清的合同，交易行为地为合同履行地。
根据《劳动合同法》，用人单位在与劳动者签订合同时采取的正当行为有〔〕。
【多项选择题】A.约定专业技术培训效劳违约金B.扣押居民身份证C.签订竞业限制协议书D.扣押职业资格证E.要求提供担保正确答案：A、C答案解析：用人单位与劳动者可以约定试用期、培训、保守机密、补充保险和福利待遇等其他事项。
根据《专利法》，以下属于专利法保护对象的有〔〕。
【多项选择题】A.创造B.计算机软件C.实用新型D.商品商标E.外观设计正确答案：A、C、E答案解析：我国《专利法》保护的是创造创造专利权，并规定创造创造是指创造、实用新型和外观设计。
