试题与答案

COST-231-Walfisch-Ikegami模型表达式中包括几部分内容？

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题目：

COST-231-Walfisch-Ikegami模型表达式中包括几部分内容？

答案：

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     We live in the"computer" age. People like scientist, teachers, writers and even students use computers
to do  1   work. But more than 30 years ago,  2   couldn't do much. They were very big and
expensive. Very  3  people were interested in them and knew how to use them.
     Today computers are smaller and  4   .   5   they can do a lot of work, many people like to use
them. Some people even have them at home.
     Computers become very important because they can work  6   than men and make fewer mistakes.
Computers can  7  people do a lot of work. Writers now use computers to write. Teachers use them to
study and children use them to play games. Computers can also remember what you put   8   them.
Computers are very  9   and helpful. They are our good friends and good helpers.
     Do you want to  10   a computer? But don't spend too much time playing computer games. That is
a waste of time and life.
( )1. A. many of
( )2. A. scientists
( )3. A. few  
(     )4. A. higher  
( )5. A. But  
( )6. A. slowly  
( )7. A. help  
( )8. A. over  
(     )9. A. beautiful
( )10. A. pay  		B. all kinds of
B. teachers
B. little  
B. cheaper
B. And    
B. more slowly
B. make  
B. into  
B. careful
B. sell  		C. a lot of
C. students
C. a few
C. lower
C. Since
C. fast
C. use
C. up
C. useful
C. lend		D. hard        
D. computers  
D. a little    
D. more expensive
D. If          
D. faster      
D. stop        
D. on          
D. heavy      
D. have        
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