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
If you are looking【C1】______information, library shelves are a good place【C2】______But if you need up-to-the-minute data or have
If you are looking【C1】______information, library shelves are a good place【C2】______But if you need up-to-the-minute data or have
admin
2019-05-13
87
问题
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 (书目) , and full text. Statistical databases store vast【C8】______of numerical (数字的) data, such as wage and price indexes, census (人口普查) information, foreign exchange rates, and bond prices. Bibliographic databases store references and【C9】______of articles【C10】______periodicals and newspapers. Fulltext 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【C14】______their in-house database,【C15】______is accessible【C16】______employees through computer terminals or microcomputers.【C17】______addition, several hundred commercial data bases are now available【C18】______the public, with literally millions of information readily retrievable (可检索的). These databases cover specific【C19】______, such as law and financial【C20】______, or general information, such as sports and weather data.
【C12】
选项
A、Thousand
B、Thousands
C、Thousand of
D、Thousands of
答案
D
解析
前面没有具体数字,所以用固定搭配thousands of,表示“成千上万的”。故选D。
转载请注明原文地址:https://kaotiyun.com/show/vEgd777K
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
Thestoryhappenedonacoldwinterafternoon.Twobeggars(101)alongaquietroad,asorry-lookingdog(102)them."
What’stherelationshipbetweenthetwospeakers?
Mr.Ballwasamanofthirty-five.Theshopinwhichheworkedwasn’tmanaged(经营)wellandhe36less.Hehadhardlylefthisho
Everyonetalksaboutthe"five"sensesofman.Anditistruethatwegetourinformationabouttheoutsideworldfromoursense
GeorgeandCharlielivedinthesametownbeforetheyjoinedthearmy.Theyweresenttoanislandandstayedthereformoretha
Mydog,Hero,isn’tafraidofmostthings.Butheisafraidofthevacuumcleaner(真空吸尘器).HealwayshidehimselfwhenMumcleanst
Wheredoesthisinterviewtakeplace?
阅读下面的对话,根据其内容写一篇有关theBritishMuseum的说明文。要求:1.所写短文应与对话相关内容意义相符,涵盖其要点。2.用你自己的语言来表达,可以改写对话中的句子,但不可以照抄原句。注意:词数80词左右。Ann:James
随机试题
设z=f(u,v),u=cosy,v=f具有连续的偏导数,则
中风患者什么情况采用头针最适宜中风患者什么情况应慎用头针治疗
下列主治症候中无“四肢厥逆”的方剂是
更年期综合征的临床表现不包括
下列关于代谢性酸中毒的叙述,哪项是错误的
公司申请其公司债券上市交易必须符合下列哪些条件?()
招标人应当将评标结果在招标项目所在地省级交通主管部门政府网站上公示,接受社会监督。公示时间不少于()日。
施工成本分析的依据中,对经济活动进行核算范围最广的是()。
金融创新的主要理论流派有()。
《中华人民共和国合同法》规定,当事人应当遵循诚实信用原则,根据合同的性质、目的和( )履行通知、协商、保密等义务。
最新回复
(
0
)