How many streets addresses does the computer contain about?

admin2010-01-07  37

问题 How many streets addresses does the computer contain about?  
  
In Kansas city, a computer helps firemen. The computer contains information about every one of the 350,000 street addresses in the city. When fireman answers a call, the computer gives them information about the burning building. The computer can give the location of the building, and its size, type and contents. In fact, the computer system has many different ways of helping firefighters with their problems. For example, it can give medical information about the sick people living in a burning building. With this information, the firemen can take special care to find these sick persons and to remove them quickly and safely from the burning building.
     The speed of the computer is amazing. Within two or three seconds after a call is received, the computer provides necessary information for the firemen. The information is then sent to them by radio from the computer center from the City Hall. The Kansas city computer system also contains a medical record of each of the city’s 900 firemen. This kind of information is especially useful when a fire fighter is injured. With this medical information, doctors at the hospital can treat the injured firemen more quickly and easily.
     Kansas city firemen themselves are thankful for the computer’s help. The computer tells them about possible dangers ahead of them and helps them prepare for them. Many times the computer helps to save lives and property. Sometimes the lives are those of firemen themselves.

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答案Lives and property

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