题目内容

阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Plugging into Electronic Databases If you are looking (36) information, library shelves are a good place (37) . But if you need up-to-the-minute data or have specialized needs, you may (38) a computerized database more useful, (39) expensive, and less time consuming. A database, a file of (40) on one subject or family of subjects, can be (41) and maintained in a computer’s memory. The speed of the computer then enables you (42) any item in this file almost instantly. The three main types of databases are statistics, bibliographies, and full text. Statistical databases store vast (43) of numerical data, such as wage and price indexes, census information, foreign exchange rates, and bond prices, bibliographic databases store references and (44) of articles (45) periodicals and newspapers. Full-text databases offer the complete texts of such materials (46) newspaper, magazine and journal articles. (47) databases exist today, and their numbers are (48) . Many companies have their (49) database, (50) is accessible (51) employees through computer terminals or microcomputers.(52) addition, several hundred commercial data bases are now available (53) the public, (54) literally millions of information readily retrievable. These databases cover specific fields, such as law and financial (55) , or general information, such as sports and weather data.

A. Thousand
B. Thousands
C. Thousand of
D. Thousands of

查看答案
更多问题

所有运输单据都是承运人签发给托运人的货物收据,故都是物权凭证,都可凭此向目的地代理人提货。( )

A. 对
B. 错

视听设备本身的租赁费用,通常按次数计算。( )

A. 对
B. 错

第一节 短文改错 此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正: 多一个词:把多余的词用横线(—)划掉,在该行右边的横线上写出该词,并也用斜线划掉。 缺一个词:在缺词处加一个漏字符号(∧),在该行右边的横线上写出该加的词。 错一个词:在错的词下划一横线,在该行右边的横线上写出改正后的词。 注意:原行没有错的不要改。Dear Jim,Hello, I learn about you from my English 76. ______teacher, Miss Fang. I’d like to your penfriend, and get to 77. ______know more about your country.First, let me tell you something more about 78. ______myself. My name is Li Ming. I live in Beijing, where is the 79. ______capital of China. I go to No. 7 Middle School. We 80. ______study quite a few subject, such as maths, Chinese, 81. ______English and physics. I use to play ping-pang a lot 82. ______in my spare time, but now I am interesting in football. 83. ______Do you play any ball games What your favourite 84. ______sport I look forward to hear from you soon. 85. ______

对于主办者来说,回执是对会展企划活动成功与否的判断标志之一。( )

A. 对
B. 错

答案查题题库