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
80
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."
AhealthynewborngirlwasdiscoveredinCentralParkyesterdaymorning.Thebabywasabandonedonthetopofarockshortlybef
Inmanywesterncountriespeopledonotbatheeveryday,Sometimestheybatheonlyonceaweek,Sometimestheybathetwoorthre
ThereispubliclibraryineverytowninBritain.41.______Therearebranchlibraryinmanyvillages.
Mr.Scottlivedinasmalltown.Hehadstudiedinafamousuniversityandlearnedalottherebeforehereturnedtohishometow
"Thepenismorepowerfulthanthesword."Therehavebeenmanywriterswhousetheirpenstofightthingsthatwerewrong.Mrs.
Whatistheprobablerelationshipbetweenthetwospeakers?
Wheredoesthisinterviewtakeplace?
______isknowntoeverybody,themoontravelsroundtheearthonceeverymonth.
Howlongwillittaket6gettothemuseum?
随机试题
()是个体对学习的一种积极的认识倾向,这种倾向是和一定的情感紧密联系的。
原发性肝癌、肝叶切除病人护理中与肝昏迷的预防无关的是
2000年3月,平安印刷厂准备向人民法院起诉。起诉前,获知天地人文出版社正在非法转移资金和部分其他财产。此时,平安印刷厂可以向人民法院提出什么申请?该申请应当向哪个人民法院提出?在人民法院采取有关措施后,平安印刷厂应该在多长时间内提起诉讼?在法庭审理过
2014年下半年,实行标准工时制的甲公司在劳动用工方面发生下列事实:(1)9月5日已累计工作6年且本年度从未请假的杨某向公司提出年休假申请。(2)因工作需要,公司安排范某在国庆期间加班4天,其中占用法定休假日3天,占用周末休息日一天,范某日工资为200
操作系统的主要作用不包括()。
下列说法不正确的是()。
下面查询不是操作杏询的是
A、Shedoesn’tspeakFrenchverywell.B、Shemaybetoobusytohelp.C、Shedidn’tattendtheFrenchClubmeetingyesterday.D、Sh
A、Ahighsalary.B、Goodtraining.C、Freedomforcreativity.D、Ahighposition.C
TheEuropeanUnionhadapprovedanumberofgeneticallymodifiedcropsuntillate1998.Butgrowingpublicconcernoveritssup
最新回复
(
0
)