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2017专四完形填空专项训练（6）

2016-05-04 12:10:36来源：网络

2017专四完形填空专项训练（6）

　　专四完型填空题型为15选10 的选词填空。新东方在线专四频道整理了2017专四完形填空专项训练供考生们练习。

　　If you are looking for information, library shelves are a good place to start. But if you need up-to-the-minute data or have specialized needs, you may find a computerized database more useful, less expensive, and less time __11__ .A database, a file of information on one subject or family of subjects, can be stored and __12__ in a computer's memory. The speed of the computer then __13__ you to recall any item in this file almost__14__The three main types of databases are statistical, bibliographic, and full text. Statistical databases store __15__ amounts of numerical data, such as wage and price indexes, census information, foreign __16__ rates and bond prices. Bibliographic databases store references to and summaries of articles in periodicals and newspapers. Full-text databases offer the complex texts of such __17__ as newspaper, magazine, and journal articles.

　　Thousands of databases exist today, and their numbers are growing. Many companies have their in-house database, which is__18__ to employees through computer terminals or microcomputers. In addition, several hundred commercial databases are now available to the __19__ , with literally millions of items of information readily obtainable. These databases __20__specific fields, such as law and financial forecasting, or general information, such as sports and weather data.

　　A. exchange B.public C.instantly D.cover

　　E. enables F.consuming G.remained H.materials

　　I. hide J.intensively K.vast L.communications

　　M. exhausting N.accessible 0.maintained

参考答案

　　11. F 12. O 13. E 14. C 15. K 16. A 17. H 18. N 19. B 20. D

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