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
If you are looking【C1】________information, library shelves are a good place【C2】________. But if you need up-to-the-minute data
admin
2022-01-08
24
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.
【C9】
选项
A、summaries
B、summary
C、extract
D、extracts
答案
A
解析
summary的意思是“摘要、概括”;extract的意思是“摘录、节选”。这里说的是书目型数据库所储存的内容,所以应是文章的参考资料和摘要,而且应该是复数形式,故选A。
转载请注明原文地址:https://kaotiyun.com/show/pUgd777K
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
Whataretheytalkingabout?
请你写一封求职信,注意书信格式,信中描述你现在的状况。注意:字数在100~120之间。
Mr.Johnsonworkedinanoffice.Hewasshortandfatandhelookedlikeaforty-year-oldman36hewasnomorethanthirty-five
Wheredidthisconversationmostprobablytakeplace?
ItwasClark’sfirstvisittoLondonUndergroundRailway.Against【C1】______adviceofhisfriends,hedecidedtogothereafter
Iamlookingforwardto______fromyouassoonaspossible.
Bookssupplyinginformationsforusonhowtodothings【M1】______areverypopularinmeUnitedStatestoday.
WhatmadeTasmaniaagoodprison?
Ilovemylittlegirlnolessthananymother,yetwedon’tlivetogether.Iaminprison(监狱).Ican’ttakehertoschool,ort
[A]suggestion[B]drink[C]headache[D]interview[E]campus[F]hotel[G]health
随机试题
在行政机关强制执行程序中,第三人对执行标的主张权利并确有理由的,应()。
患儿,4岁,1个月来反复阵发性咳嗽、发热,咳脓性痰,体质消瘦,X线拍片见左肺有肺不张。现患儿无明显呼吸困难,但支气管炎、肺炎较重且伴有高热、体质虚弱,宜进行哪种处理
患者,女,47岁。因胆囊结石、慢性胆囊炎行胆囊切除术术后2年,近1周出现阵发性腹痛伴频繁呕吐,停止排气排便1天入院。查体:腹稍胀,上腹部压痛,肠鸣音亢进。首先应做的检查是
CBA的中文名称是( )。
甲公司为增值税一般纳税人,厂房适用的增值税税率为10%,生产线、存货适用的增值税税率为16%。资料一:经董事会批准,甲公司2×18年年末在生产经营期间以自营方式同时对一条生产线和一栋厂房进行改造。生产线与厂房是2×14年3月达到预定可使用状态并投入使用,
中小学管理的基本内容包括思想品德教育管理、教育工作管理、教务行政管理和______。
根据我国宪法规定,乡、镇一级的人民代表大会每届任期()。
窗体在屏幕上显示后有______种方法可以清除它。
WhatisFreud’scontributionstopsychology?
Inanefforttosustaincommercialandrecreationalfishingforthenextseveraldecades,theUnitedStatesthisyearwillbecom
最新回复
(
0
)