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概括下面语段内容。(不超过15个字)

  对于胸怀大志的创业者,世博会的滋养和熏陶变了他们的人生轨迹。18岁的诺贝尔参观了1851年伦敦世博会,对科学的向往压倒了对文学的迷恋;布鲁奈尔和鲁赛尔就是在1851年伦敦世博会上结识后,敲定了建造“大东方”号巨轮的方案;从斯德哥尔摩赶到费城参加1876年世博会的安德鲁受到美国飞行家怀斯的启蒙,成了瑞典热气球航行的先驱;幼年的福特因随父亲参加1876年费城世博会而爱上机械,1893年他程奔赴芝加哥世博会并见到戴姆勒的汽车后,激发了一生中最重要的灵感。

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答案

世博会改变了创业者的人生轨迹。(意思对即可)

完形填空
完形填空。
        A good dictionary is     1    important tool (工具). It will tell you     2    only what a word means but
   3    how it    4   . A dictionary needs to be printed again about every ten years. Languages develop (发展)
and a good dictionary must     5    these new changes. 
       A new English dictionary will only tell you     6    most people use the language today. It will not tell you
what is right     7    wrong. It may tell you the right time to use a word. If only     8    people use a word, a
dictionary will     9    tell you this or not list (编列) it. 
        10    dictionary will tell you many interesting facts. If you type (用打字机打) a word and the word is too
long,    11   in your dictionary. All dictionaries show you    12    to break (拆开) a word. And they also show
you how a word    13   
       Every dictionary, of course, tells you what a word means. But some words, like "get" or "take", may have
lots of meanings (意思). In some dictionaries, the main (主要的) meanings are often listed first. In   14   , the
newest meanings are listed last. So before you use your dictionary, you should always    15    the front part.
This part explains    16   .
       Some dictionaries also show you where a word comes    17   . Do you know that the word "brand" (标记)
comes from an old word? This old word means "to burn". This is because    18    years ago people burned their
names on tables or boats to show who    19    them. They also burned their own names on their farm animals
  20    they would not be stolen.
       Your dictionary also has a lot of other interesting facts in it. After you have learned to use a dictionary, it
can become your best useful book.
( )1. A. a         
( )2. A. no       
( )3. A. too       
( )4. A. uses     
( )5. A. to show    
( )6. A. how       
( )7. A. and       
( )8. A. a little  
( )9. A. neither    
( )10. A. Every    
( )11. A. look up it 
( )12. A. when      
( )13. A. speaks    
( )14. A. another  
( )15. A. see     
( )16. A. how use it 
( )17. A. into      
( )18. A. hundreds of    
( )19. A. builds    
( )20. A.when                   
B. an        
B. that      
B. either     
B. is using    
B. show       
B. what       
B. or        
B. many       
B. nor      
B. Some       
B. look for it 
B. where     
B. is spoke   
B. the other  
B. look      
B. to how use it
B. up                       
B. hundred of  
B. makes     
B. in order to 
C. the         
C. not         
C. yet         
C. is used      
C. shows        
C. why         
C. but         
C. a few         
C. both       
C. All          
C. look it up    
C. why       
C. be spoken      
C. others      
C. watch      
C. how to use it  
C. by           
C. a hundred of           
C. build       
C. so that  
D. very             
D. if               
D. also             
D. used             
D. be shown         
D. if               
D. not              
D. a lot of           
D. either         
D. Many              
D. look it out       
D. which          
D. is spoken          
D. other          
D. read             
D. to how to use it 
D. from             
D. hundred                
D. made             
D. before       
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