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
50
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.
【C19】
选项
A、fields
B、earth
C、situations
D、books
答案
A
解析
fields领域;earth土地,地球;situations情况,状况;books书本。由句意可知,此处应是覆盖了特定的领域,故选A。
转载请注明原文地址:https://kaotiyun.com/show/uEgd777K
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."
Wheredoesthisinterviewtakeplace?
Theideaof"evolution"isveryclearlyshowninthestoryofhorse.Millionsofyearsago,thehorsecalledEohippuswithsmall
Forthousandofyearsmencouldn’tfly.Itwas1.______toodifficult.Birdsareabletoflyontheir
Mr.Ballwasamanofthirty-five.Theshopinwhichheworkedwasn’tmanaged(经营)wellandhe36less.Hehadhardlylefthisho
Whethertherearesailorswhosailwithoutcharts(航海图)isdoubtful,buttherecertainlyaretravellerswhoprefertojourneywith
Whethertherearesailorswhosailwithoutcharts(航海图)isdoubtful,buttherecertainlyaretravellerswhoprefertojourneywith
请写一封邀请信,邀请Mr.Chapman来本公司参加10周年纪念活动,并且同时告诉他将安排一次会议。要求:1.字数在100~120之间。2.表达清楚。
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
某患儿6个月因发热1天抽搐一次来院急诊,抽搐呈全身大发作状,到院时抽搐已止。患儿既往史无特殊。急诊体检:患儿体重6kg,体温39.5℃,神清,精神萎。呼吸尚规则,无皮疹,心率150次/分,骨骼未见畸形,四肢肌张力略低,双侧巴氏征阳性。急测血WBC10×1
慢性肾衰发病机制的三高学说是指
以阴阳概括说明事物,下列属阴的是
下列选项中,属于施工总承包方管理任务的有()。
(一)资料乙公司为增值税一般纳税人,所得税税率为25%,2015年度发生的部分经济业务如下:(1)2月2日,购入当天发行的到期一次还本付息的2年期债券,票面价值20万元,票面利率8%,购买该债券共支付价款26万元,另支付手续费用0.65万元,乙公司将其
下列关于反映偿债能力的比率的表述中,不正确的是()。
程门立雪:尊师敬道
对于一个真正的作家来说,成为新闻人物是一种灾难。_________,两者在本性上是互相敌对的。福克纳称文学是“世界上最孤寂的职业”,写作如同一个遇难者在大海上挣扎,永远是孤军奋战,谁也无法帮助一个人写他要写的东西。这是一个真正有自己的东西要写的人的心境,这
Peopleareindulginginanillusionwhenevertheyfindthemselvesexplainingatacocktail(鸡尾酒)party,say,thattheyare“incomput
在VisualFoxPro中,要编辑修改表单文件myForm.scx,可以在命令窗口输入命令( )。
最新回复
(
0
)