问题 问答题 简答题

梁中间支座上一排筋的长度怎样计算?

答案

参考答案:取两侧较大净跨度的三分之一乘2,加上中间支座宽。

单项选择题
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完形填空。
     Michel is a young girl who works for the police   1  a handwriting expert. She has helped   2   many
criminals (罪犯) by using her special talents.
     When she was fourteen, Michel was already   3   interested in the differences in her friends'  4  that
she would spend hours  5  them. After  6  college she went to France for a   7   two-year class in hand 
writing at the School of Police Science.
     Michel says that it is  8   for people to hide their handwriting. She can discover   9   of what she needs
to know simply   10  looking at the writing with her own eyes,  11  she also has machines  12  help her
make 13  different kinds of paper and ink. This knowledge is often   14   great help to the police.
    Michel believes that handwriting is a good  15  of what kind of person the   16  is. "I wouldn't go out
with a fellow   17  I didn't like his handwriting." She says. But she  18  she fell in love with her future
husband, a young policeman   19   she studied his handwriting. It is later proved to be   20  , however.
( )1. A. with          
( )2. A. search    
( )3. A. so       
( )4. A. books    
( )5. A. writing    
( )6. A. attending  
( )7. A. powerful  
( )8. A. main       
( )9. A. most    
( )10. A. with    
( )11. A. so      
( )12. A. they    
( )13. A. up      
( )14. A. of      
( )15. A. test    
( )16. A. thief       
( )17. A. whether      
( )18. A. adds       
( )19. A. before       
( )20. A. necessary   
B. by        
B. follow    
B. too    
B. letter  
B. studying  
B. finishing  
B. natural  
B. safe    
B. nothing  
B. by    
B. for    
B. in which  
B. out    
B. to    
B. sign
B. criminal  
B. unless    
B. tells    
B. after    
B. all right  
C. like    
C. catch    
C. quite     
C. tongues  
C. settling  
C. starting  
C. special  
C. easy    
C. little  
C. of    
C. thus    
C. that    
C. for    
C. with    
C. means    
C. writer  
C. if    
C. repeats  
C. so    
C. important 
D. as            
D. judge          
D. extra          
D. handwriting    
D. uncovering    
D. stepping into  
D. common        
D. impossible    
D. sight          
D. about          
D. but            
D. those          
D. into          
D. for            
D. habit
D. policeman    
D. after        
D. cries        
D. and          
D. quite easy