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
38
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.
【C14】
选项
A、have
B、bring
C、take
D、give
答案
A
解析
由上文可知有大量的数据存在,应是很多公司有他们自己的数据库。故选A。
转载请注明原文地址:https://kaotiyun.com/show/cEgd777K
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."
TheUnitedStateshasmanydifferenttypesoffamilies.WhilemostAmericanfamiliesaretraditionalcomprisingafather,mother
Forthousandofyearsmencouldn’tfly.Itwas1.______toodifficult.Birdsareabletoflyontheir
VerylittlerainfellonSymi.The76______peoplehavesavedeverydroptheycould.77______Butithasneverbeenenoughfort
SudanisaratherlargenationinthenortheasternpartofAfrica.Ithasaboutsixteenmillionpeople.Itisbordered(接界)byEgy
Mr.Ballwasamanofthirty-five.Theshopinwhichheworkedwasn’tmanaged(经营)wellandhe36less.Hehadhardlylefthisho
Somelanguagelearnersfind______difficulttosucceedinotherfieldsofscience.
Whatdoesthewomanneedtodoatthetravelagency?
Whendoesthemuseumclose?
随机试题
简述数据库系统中的二级映象及其作用。
简述医疗事故分级。
诊断性刮宫病理不能诊断哪一类型的子宫肉瘤()
男,33岁,咳嗽少痰,咽干鼻燥,兼见恶寒发热,头痛无汗,舌苔薄白,脉浮,治疗当
关于肌肉等张练习的描述,下列正确的是()。
显性脊柱裂临床上发生最多的类型是()
女,45岁。发热10d,稽留热,最高体温39.80℃,伴纳差、腹胀。2d前胸部及四肢出现数个淡红色斑丘疹。查体:T39.4℃,P86/min,双肺呼吸音清,心脏未闻及杂音,肝脾肋下可触及,轻压痛,双下肢水肿。辅助检查示:WBC3.5×109/L,N
一组测定值南小到大顺序排列为18.31、18.33、18.36、18.40、18.46,已知n=6时,狄克逊(Dixon)检验临界值Q0.05=0.560,Q0.01=0.698,根据狄克逊检验法检验最大值18.46为()。
B工作的拖延是由于业主供应的水泥质量不合格引起的。按合同规定,水泥由业主提供,水泥进场后,经承包商从中抽取一包水泥进行强度试验合格而验收。但在施工中,混凝土出现裂缝和酥脆现象。后经监理工程师组织有关部门对此事故进行调查,原因为水泥不合格引起,由此使B工作重
在考生文件夹下有一个工程文件sjt5.vbp,相应的窗体文件为sjt5.frm,还有一个datain.txt文本文件,内容为:32437658281298573142536475869713243546576879805937。程序运
最新回复
(
0
)