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问题 填空题

一个直角三角形三条边的长度分别是15厘米、12厘米和9厘米、这个三角形面积是______平方厘米．

答案

三角形的面积：12×9÷2，

=108÷2，

=54（平方厘米）；

答：这个三角形的面积是54平方厘米．

故答案为：54．

完形填空
完形填空。

      Mr. Roy likes to travel    1   in his spare time. He likes to sit beside the window and look the scenery
 through the window when he is on a train. One day he went to travel himself. He   2   a seat near windows
as soon as he got on the train. He found that all of window seats were taken. He went on another railway
carriage. He found out one. There was a young man sitting in the seat   3   this one. Mr. Roy was happy
that the young man hadn't   4   the seat by the window. He went to the seat quickly. When he   5   it, Mr.
Roy saw that there was a piece of paper   6   some words on the seat. It said,"This seat is broken. You can't
take it, Please find another seat. Thank you.""A broken seat on a train? Is that   7   ?" Mr. Roy said   8   sadly,
but he walked on and found   9   empty seat. It isn't beside a window. He had to sit in. When the train would
  10  , a very beautiful girl got on the train. The young man quickly took the paper off the seat beside his as
soon as he saw her, and let the girl sit in during the whole trip.

( )1. A. by bus    
( )2. A. found out
( )3. A. on      
( )4. A. sat      
( )5. A. reached   
( )6. A. and       
( )7. A. good      
( )8. A. loudly  
( )9. A. other     
( )10. A. reach  

B. by train    
B. found        
B. beside    
B. taken        
B. arrived       
B. with       
B. comfortable
B. happily      
B. others      
B. stop        		C. by ship       
C. looked for      
C. in            
C. put          
C. saw             
C. for           
C. dangerous     
C. to the young man
C. another         
C. begin         		D. by plane   
D. looked       
D. under       
D. seen         
D. got           
D. of         
D. possible    
D. to himself
D. the other     
D. got        
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单项选择题

下列哪一个是Windows 2000 Server重要的新功能

A．可恢复性文件系统 NT File System

B．活动目录服务

C．自动硬件配置检测

D．主域控制器
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