试题与答案

9和15的公因数有（），其中最大公因数是（）。

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题型：填空题

题目：

9和15的公因数有（    ），其中最大公因数是（    ）。

答案：

1，3；3

考点：因数，倍数，约数，公因数（公约数），公倍数
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题型：完形填空
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something. A few minutes later, a rich man came along and tied his horse to the same tree.
    "Please tie your horse to another tree," said the poor man. "My horse is wild. It will kill yours.
    "  2  the rich man said,"I shall tie my horse as I like!" he tied up his horse and had his lunch nearby. After a
moment they heard a terrible  3 , the two horses were fighting. They went up to them, but it was too  4  . The
rich man's horse was killed. "See what you horse has done!" cried the rich man. "You will have to  5  it." And
he brought the poor man before Mr. Know.
     Mr. Know asked the poor man some questions. But he made no  6 . At last Mr. Know said, "This man is
dumb. He cannot speak."
     "Oh," the rich man shouted  7 . "He can! He spoke to me when I met him."
     "Are you sure?" asked Mr. Know. "What did he  8 ?"
     "He told me not to tie my horse to the same tree because his horse was wild and would kill my horse." 
     "Oh," said Mr. Know. "So he  9  you. Then can you expect to get money  10  him?"
      The rich man said nothing and left silently.
( )1. A. put down 
( )2. A. So    
( )3. A. song   
( )4. A. late   
( )5. A. pay for 
( )6. A. idea   
( )7. A. quietly 
( )8. A. speak  
( )9. A. helped  
( )10. A. for   		B. set down 
B. But   
B. word   
B. slow   
B. look for 
B. mistake 
B. angrily 
B. tell   
B. thanked 
B. from   		C. sat down 
C. And   
C. bell   
C. hard   
C. wait for 
C. money  
C. happily 
C. talk   
C. warned  
C. with   		D. turned down
D. Though    
D. noise     
D. quick     
D. care for  
D. answer    
D. heavily   
D. say       
D. ordered                                     
D. about     
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