首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Plugging into Electronic Databases If you are looking【C1】______information, library shelves are a good place【C2】______. But i
Plugging into Electronic Databases If you are looking【C1】______information, library shelves are a good place【C2】______. But i
admin
2011-01-14
75
问题
Plugging into Electronic Databases
If you are looking【C1】______information, library shelves are a good place【C2】______. But if you need up-to-the-minute data or have specialized needs, you may【C3】______a computerized database more useful,【C4】______expensive, and less time consuming. A database, a file of【C5】______on one subject or family of subjects, can be【C6】______and maintained in a computer’s memory. The speed of the computer then enables you【C7】______any item in this file almost instantly.
The three main types of databases are statistics, bibliographies, and full text. Statistical databases store vast【C8】______of numerical data, such as wages and price indexes, census information, foreign exchange rates, and bond prices. Bibliographic databases store references to and【C9】______of articles【C10】______periodicals and newspapers. Full-text databases offer the complete texts of such materials【C11】______newspaper, magazine and journal articles.
【C12】______databases exist today, and their numbers are【C13】______Many companies have their【C14】______database,【C15】______is accessible【C16】______employees through computer terminals or microcomputers.【C17】______addition, several hundred commercial data bases are now available【C18】______the public,【C19】______literally millions of information readily retrievable. These databases cover specific fields, such as law and financial【C20】______, or general information, such as sports and weather data.
【C20】
选项
A、forecasting
B、forecast
C、to forecast
D、forecasted
答案
A
解析
这里应与or后的general information是并列成分,因此要用动名词形式,答案为A。
转载请注明原文地址:https://kaotiyun.com/show/R35d777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
Whataretheygoingtodo?
【S1】【S5】
Computerpeopletalklotsabouttheneedforotherpeopletobecome"computer-literate".Butnotallexperts(专家)thinkitag
Itdoesn’tmatterwhenorhowlongapersonsleeps,buteveryoneneedssomeresttostayalive.That’swhatalldoctors’thought
Whywasthewomanabletogivethemansomuchinformationaboutthejob?
"Howfarisittothenextvillage?"theAmericanasksamansittingbythesideoftheroad.Insomecountries,becausetheman
Whatistheprobablerelationshipbetweenthetwospeakers?
WhyisHarryunhappy?
ThefirstOlympicGameswereheldin776BC.Theybeganasareligiousfestivalandwereheldeveryfouryears.Theywereheldi
It’snearlyseveno’clock.Jack______behereatanymoment.
随机试题
设x1,x2,…,xn为样本观测值,经计算知=100,=64.则=________.
A、消化道隔离B、呼吸道隔离C、虫媒隔离D、血液/体液隔离E、严密隔离流行性乙型脑炎是()
钢材在常温条件下承受规定弯曲程度的弯曲变形能力叫做钢材的()。
请阅读下列材料:“多途径下载文件”是教育科学出版社出版的《信息技术基础(必修)》第二章第三节“文件的下载”的第二堂课,在第一堂课先学习了“网际快车(FlashGet)和FTP下载工具(GuteFTP)的使用以及文件的重要属性及类型,让学生了解了文件
关于教学的内涵下列理解正确的有()。
把下面的六个图形分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一项是:
公司的一项工程,由甲、乙两队合作6天完成,公司需付8700元,由乙、丙两队合作10天完成,公司需付9500元,由甲、丙两队合作7.5天完成,公司需付8250元,若单独承包给一个工程队并且要求不超过15天完成全部工作,则公司付钱给单独承包的工程队的钱数(
设在x=0处连续,则a=___________,b=___________.
在VisualFoxPro中,要运行菜单文件menu1.mpr,可以使用命令
以下关于控件的叙述中,正确的是
最新回复
(
0
)