2. 职称英语
  3. 　　If you are looking【C1】________information, library shelves are a good place【C2

　　If you are looking【C1】________information, library shelves are a good place【C2

游客2025-07-16  19
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. [br] 【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://tihaiku.com/zcyy/4163561.html
相关试题推荐
随机试题
最新回复(0)