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问题 单项选择题 A1型题

一般梗死灶的形状取决于（）

A.梗死的类型

B.梗死灶的大小

C.梗死灶内的含血量

D.组织器官的血管分布

E.以上都不是

答案

参考答案：D

解析：梗死是指因动脉血流断绝而引起的局部组织或器官发生的坏死。梗死分为贫血性梗死和出血性梗死。一般梗死形状与阻塞性动脉的分布区域相一致，如肾梗死灶呈椎体状。因此，一般梗死灶的形状取决于组织器官的血管分布。故答案选择D。

解答题

某服务厂生产一种西装和领带，西装每套定价200元，领带每条定价40元．厂方在开展促销活动期间，向客户提供两种优惠方案：（I）买一套西装送一条领带；

（II）西装和领带均按定价的90%付款．某超市经理现要到该服务厂购买西装20套，领带若干条（不少于20条）．

（1）设购买领带为x（条），采用方案I购买时付款数为y1（元），采用方案II购买时付款数为yn（元）．分别写出采用两种方案购买时付款数与领带条数x之间的函数关系式；

（2）就领带条数x讨论在上述方案中采用哪种方案购买合算．
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     The Olympic Games began more than    1    in Greece. At that time Greece was divided (分开) into several
states. The people of the states   2   each other; but during the games all wars   3   and the enemies lived   4   .
     The first Olympic Games were held in 776 BC. They   5   for a thousand years and then were stopped. In
1896,1,500 years   6   , the Olympic Games began   7  . That year the people of many  8   met and decided to
form an Olympic Games committee (委员会).The first   9   Olympic Games were held in Athens later that same
year.
     In the first Olympic Games women  10   to take part in them,   11   there are many sporting events for
women also. The main sports   12   since the first Olympic Games are running, jumping, throwing, boxing and
 13  .   14   of the sports that have been added are football, basketball, shooting and so on. Winter sports were
added   15   the Olympic Games in 1924.
     The Olympic Symbol is five color rings. The rings are connected to each other to show the sporting
friendship of peoples. The rings also symbolize (象征 ) the five continents: Europe, Asia, Australia, Africa and 
  16   .   17   ring has a different color: blue, yellow, black, green and red.
     All the modern Olympic Games begin officially when   18   arrives carrying a lighted torch from the temple
of Zeus to the Olympic stadium. It is considered a   19   of the spirit of good sportsmanship. It also reminds
each sports man that he must do his best to be worthy of the ideals of the Olympic-the important thing in the
Olympic Games is not winning but   20  .
( )1. A. 2,000 years               
( )2. A. fighting with             
( )3. A. stopping                
( )4. A. in peace                   
( )5. A. kept                      
( )6. A. late                     
( )7. A. also                    
( )8. A. countries                 
( )9. A. International             
( )10. A. allowed                  
( )11. A. and then                 
( )12. A. that have been
              continued
( )13. A. any others               
( )14. A. All                       
( )15. A. to                        
( )16. A. South America           
( )17. A. Each                    
( )18. A. runners                   
( )19. A. game                      
( )20. A. to take part             		B. 2,000 years before     
B. were often fighting
    with
B. was stopped            
B. at peace                
B. passed                 
B. after                  
B. too                    
B. continents             
B. National               
B. were allowed           
B. but then               
B. that continued         
B. some others            
B. Many                   
B. of                     
B. America                
B. Every                  
B. a runner               
B. torch                  
B. taking part             		C. 2,000 years ago      
C. often fought with   
C. were stopping       
C. peaceful            
C. went                
C. later             
C. again               
C. kinds               
C. Asian               
C. was allowed         
C. but now             
C. that have continued
C. other               
C. Any                 
C. for                 
C. Antarctica          
C. The                 
C. a player            
C. color               
C. to join            		D. 2,000 years later          
D. were fought with          
D. were stopped              
D. peace                     
D. continued                 
D. ago                       
D. once                      
D. states                    
D. European                  
D. were not allowed          
D. but later                 
D. that are continuing       
D. other some                
D. Some                      
D. about                     
D. North America             
D. Any                       
D. a team                    
D. symbol                    
D. joining                   
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