网络拓扑中哪种结构需要额外的网络连接设备() A.星型 B.总线型 C.环型 D.网

题型:单项选择题

问题:

网络拓扑中哪种结构需要额外的网络连接设备()

A.星型

B.总线型

C.环型

D.网状

考点:计算机网络管理员计算机网络管理员(高级)计算机网络管理员(高级)题库
题型:单项选择题
完型填空。
     Last weekend, I helped my friend Alex get money for poor children at Crossroads Mall. He   1   needed
volunteers, especially of the female. I decided that this was a pretty good   2 , so the next day I got ready to
go.
     I arrived at Crossroads about five minutes   3  , and helped Alex and   4   of the volunteers. There were
only three   5   at first, and we figured we might as well get started   6   just waiting for more to arrive. I
held the   7  , and suddenly felt extremely shy. I did not   8   asking people for donations. In fact, I'm usually
one of those people who try to   9   those boring stands and ask you for a little contribution. For heaven's sake,
I can contribute to a few,  10  I cannot alone  11  every single cause in the world!
     I really didn't like the idea of asking anyone for donations to our cause.  12 , I watched my friends speak
to the strangers, and noticed that they were extra polite to everyone-no matter whether they  13 . I realized
that  14  I wasn't pushy (强求的), it would be okay, and my conscience could be  15 .
     I pasted on a large smile, and started asking people passing by. My mouth tripped over words, and I
continually said"um" while I thought of the correct terms.  16  I talked to more and more people. Not only
improved, but also started noticing small  17 . Instead of saying "donate", which made most people walk away
  18 . I started suing the word "contribute". I added the phrase "every little bit counts", and people started to
donate small amounts in larger quantities. As the day went on, I learned how to pull on the hearts of the  19 ,
and I became a successful fundraiser.
     At the end of the day, we all gathered at Alex's house and  20  how much money we raised. I was so
surprised: we raised over $300! We celebrated, and went home tired, but satisfied that we helped a great cause.
( )1. A. every       
( )2. A. cause       
( )3. A. earlier     
( )4. A. the other   
( )5. A. passers-by 
( )6. A. instead of   
( )7. A. signal       
( )8. A. appreciate   
( )9. A. annoy       
( )10. A. and         
( )11. A. do         
( )12. A. What’s more
 ( )13. A. donated     
( )14. A. as soon as  
( )15. A. at ease    
( )16. A. As          
( )17. A. actions     
( )18. A. slow       
( )19. A. goers       
( )20. A. thought     
B. much        
B. business    
B. early        
B. others        
B. teachers    
B. but          
B. signature    
B. like        
B. flee        
B. but          
B. support        
B. Besides      
B. gave        
B. as far as    
B. with happiness   
B. Before      
B. hoopes      
B. fast        
B. passers-by   
B. looked at    
C. desperately   
C. affair     
C. later       
C. another       
C. volunteers   
C. in spite of   
C. sing         
C. want         
C. meet         
C. or           
C. make         
C. Whatever     
C. came       
C. as long as 
C. in silence     
C. Since         
C. wishes       
C. slower       
C. students     
C. counted     
D. too               
D. career         
D. late             
D. the rest          
D. people         
D. in place of       
D. symbol          
D. need            
D. avoid           
D. so              
D. create          
D. However         
D. passed          
D. as short as               
D. in surprise    
D. During            
D. trends          
D. faster          
D. strangers      
D. decided        
题型:单项选择题

一战期间,中国民族工业得到发展机会,进入“黄金时代”的客观原因是   [ ]

A.清政府鼓励民间办厂  

B.列强暂时放松了对中国经济的掠夺  

C.自然经济彻底瓦解  

D.洋务运动带动了民族工业的发展

题型:单项选择题

根据考古推测,地球上的水最早出现在()以前。

A、14亿年前

B、24亿年前

C、34亿年前

D、44亿年前

题型:单项选择题

统觉作用规律

题型:单项选择题

营业税暂行条例第( )条规定:营业税的纳税义务发生时间,为纳税人收讫营业收入款项或者取得索取营业收入款项的凭据当天。

A.八

B.九

C.十

D.十一

更多题库