问题 选择题
近似数5.2是把一个小数保留一位小数时所得到的,下列数中(  )不可能是这个小数。
A.5.21B.5.239C.5.48D.5.255
答案

答案:C

完形填空
完形填空。
  Daniel is an American young man. He lives on the    1    floor of a tall
building. His office is more than ten kilometers away. He must get up early 
   2    a quarter past six, and    3    home at seven. The lift takes him down. Then
he    4    to the bus stop. The stop is only two    5    metres from the building.
There he   6   No. 11 Bus. He begins     7    at eight and finishes it at five. Then
he comes back. He takes the lift up to the   8    floor. Then he     9  up the three
floors on foot, just for exercise. He cooks and eats his supper, and watches TV
until   10  . After that Daniel usually falls into bed for night.
( )1. A. fifte en      
( )2. A. in            
( )3. A. leave          
( )4. A. walk          
( )5. A. hundred        
( )6. A. drives        
( )7. A. to work        
( )8. A. twelve        
( )9. A. climb          
( )10. A. nine twentieth
B. fifteenth  
B. on        
B. left      
B. run        
B. hundreds  
B. takes      
B. works      
B. fifteen    
B. jumps      
B. nine twenty
C. fiveteen      
C. about        
C. le aves      
C. went          
C. hundreds of  
C. by            
C. work          
C. twelfth      
C. go            
C. nine-twentieth
D. fiveteenth  
D. at          
D. lives      
D. walks      
D. hundred of  
D. catch      
D. worked      
D. fifteenth  
D. climbs      
D. ninth twenty
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