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
37
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.
【C13】
选项
A、grown
B、grow
C、to grow
D、growing
答案
D
解析
这里是现在进行时态用法be doing形式,后面加动词的-ing形式。故选D。
转载请注明原文地址:https://kaotiyun.com/show/SEgd777K
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."
Asfarbackashecouldremember,LarryhadlongedtogotoHollywoodandbecomeafilmstar.Theyoungman’shopesforsuccess
Whatmadethewomannervous?
Wheredoesthisinterviewtakeplace?
Elizabethsuddenlyreturned______aSundaymorning.
请写一份个人简历,内容包括你的住址、电话号码、邮编、学位、工作经历、所受教育情况、专业、推荐人。注意:1.字迹清楚。2.字数在100~200之间。
ThemostcommondifferencesandproblemsidentifiedbytheAmericanpreceptors(导师),advisors,andothercolleaguesofJapanese
Solongasteachersfailtodistinguishbetweenteachingandlearning,theywillcontinuetoundertaketodoforchildrenthatwh
Travellingcanbeawonderfuladventure.Travellingbyairplane,however,canbeverytiring.Thefollowing【K1】______(be)somet
Whendothepaintingclassesstart?
随机试题
留置权的产生基于合同当事人之间的特别约定。()
A、明胶B、ECC、聚乳酸D、β-CDE、枸橼酸生物可降解性合成高分子囊材
感冒,习惯上分为病毒性感冒和细菌性感冒。细菌性感冒是指因细菌引起的感冒。病毒性感冒有:普通感冒、流行性感冒和病毒性咽炎等。细菌性感冒有:细菌性咽扁桃体炎。其主要不同是致病因素不同,病毒性感冒是由于病毒所致,而细菌性感冒是由于细菌所致。妊娠初
根据有关规章规定,仅适合有投资经验客户的理财产品的起点金额不得低于()万元人民币(或等值外币)。
货币时间价值原则的重要应用之一是()。
儿童在知道“芹菜”、“萝卜和“土豆”等概念之后,再学习“蔬菜”概念,这种学习是()。
下面不属于软件工程过程的4种基本活动
存储1024个24×24点阵的汉字字形码需要的字节数是()。
WhenIchangedmyjob,Ihadto_____toanotherapartment.
A、Customerandsalesman.B、Colleagues.C、Employeeandboss.D、Classmates.B此题询问说话人之间的关系。要注意对话中所用的时态。Jack向Susan祝贺她将被提升为经理,从而成为他的直
最新回复
(
0
)