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发布时间：2006-06-23 21:00     点击：

　　C to demand that a protective computer system should be set up against thieves．

　　D to demonstrate that hackers and thieves are the same people．

　　37 The word"vandalizing"in Line 14 means

　　A  "stealing"．

　　B  "creating"．

　　C  "destroying"．

　　D  "updating"．

　　38 According to the passage．which of the following statements is NOT true?

　　A  Hacking is also known as computer break-in．

　　B  Experts on computer networks consider hacking nothing serious．

　　C Hacking is a widespread concern．

　　D Hacking is potentially disastrous．

　　39 Which of the following is NOT mentioned in the passage as an instance of attack by a hacker?

　　A  Deleting information in the computer's memory．

　　B  Shutting down the computer whenever he wishes．

　　C  Entering your house to steal．

　　D  Spoiling a system for air traffic．

　　40 One of the reasons why business or government has not taken tough measures to stop hacking is that

　　A  it will cause fear among tile public．

　　B  hacking has not caused much damage．

　　C  tough measures are illegal．

　　D  communication may be interrupted．

　　第三篇    Space-Age Archeology

　　It's a strange partnership，but a very effective one：Satellites and space-shuttle-carried radar are helping archeologists .How?By "seeing"through sand or through treetops to locate important archeological sites．

　　The traditional tools of archeologists are shovels and picks．But high technology is making the archeologist's work and time far more productive．

　　By the end of the second day,the team found a stretch of walled fields that expedition inembers said look like"old New England fences"．They just go on，non'stop，for 40 miles.Later

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