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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 wages and price indexes, census information, foreign exchange rates, and bond prices. Bibliographic databases store references to 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.
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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 wages and price indexes, census information, foreign exchange rates, and bond prices. Bibliographic databases store references to 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.
C It doesn’t matter when or how long a person sleeps, but everyone needs some rest to stay alive. That’s what all doctors’ thought, until they heard about Jercy Page. Jercy Page, it was said, never slept. Could this be true The doctors decided to see this strange man by themselves. Jercy Page was ninety years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw Jercy Page sleeping. Actually, he did not even own a bed. He never needed one. The only rest that Jercy Page got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Page remembered some talk about his mother having been injured several days before he was born. But that was alt. Was this the real reason No one could be sure. The main idea of this passage is that______.
There were three different kinds of (36) guides. One kind, a tourist (37) , might meet tourists at the airport. He might also help them get hotel (38) or help them (39) what they will be able to see or do. The assistant must therefore know about local events, where (40) hotels are, and the prices of everything. The second kind of guide takes tourists on tours of the city and (41) areas. This kind of guide meets tourists in (42) , takes them on buses to see the local sights and places of interest, and tells them about local history and (43) . The third kind of guide takes groups of people on buses to faraway cities or even to different countries. (44) .Usually only single men serve as guides for these tours. (45) . And they must be able to assist tourists with their heavy luggage. (46) .
D Animation means making things which are lifeless come alive and move. Since earliest times, people have always been astonished by movement. But not until this century have we managed to take control of movement, to record it, and in the case of animation, to retranslate it and recreate it. To do all this, we use a movie camera and a projector (放映机). In the world of cartoon animation, nothing is impossible. You can make the characters do exactly what you want them to do. A famous early cartoon character was Felix the Cat, created by Pat Sullivan in America in the early nineteen twenties. Felix was a wonderful cat. He could do all sorts of things no natural cat could do like taking off his tail, using it as a handle and then putting it back. Most of the great early animators lived and worked in America, the home of the moving picture industry. The famous Walt Disney cartoon characters came to life after 1928. Popeye the Sailor and his girl friend Olive Oyo were born at Max Ficischer in 1933. But to be an animator, you don’t have to be a professional(专业人士). It is possible for anyone to make a simple animated film without using a camera at all. All you have to do is to draw directly onto an empty film and then run the film through a projector. According to the passage, Felix the Cat
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