问题 单项选择题 A1/A2型题

慢性胰腺炎CT显示胰腺导管的特征性改变为()

A.狭窄

B.扩张

C.平行双轨

D.不规则串珠状

E.以上均不是

答案

参考答案:D

解析:多数慢性胰腺炎病例CT可显示不同程度的胰管扩张,可累及整个胰管,也可局限于某部较显著;可表现为均匀性管状扩张,也可为狭窄与扩张交替存在呈串珠状表现。串珠状扩张的胰管较多见于慢性胰腺炎症;管状扩张在炎症与肿瘤均可见到。

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    Paul received an expensive car from his brother as a Christmas present. On Christmas Eve Paul saw a dirty
and poorly-dressed boy walking   1   his shining car. "Is this your car, Paul?" he asked. 
    Paul told him how he got the car and the boy was   2  . "You mean your brother gave it to you and it didn't
cost you nothing? Boy, I wish…" he said, without   3   his sentence. Paul thought the boy wished he had a   4   
like that. But what the boy said surprised Paul greatly. "I wish," the boy went on, "that I could be a brother like
that." 
    Paul looked at the boy in surprise. He invited him to take a   5   in his car and the boy agreed happily. After a
short ride, the boy turned and with his eyes   6   said, "Paul, would you mind driving in front of my house?" 
    Paul smiled a little. He thought the boy wanted to   7   his neighbors that he could ride home in a big car. But
Paul was wrong   8  . The boy ran back into his house, and after a short while came back with his disabled
brother in his arms.
    He   9   him down on the step and pointed to the car. "There she is, Buddy, just like what I told you upstairs.
His brother gave it to him for Christmas and it didn't  10   him a cent. Some day I'm going to give you one just
like it."
( ) 1. A. inside     
( ) 2. A. interested 
( ) 3. A. finishing  
( ) 4. A. car        
( ) 5. A. seat       
( ) 6. A. watering     
( ) 7. A. frustrate  
( ) 8. A. either     
( ) 9. A. sat        
( ) 10. A. pay        
B. around         
B. excited        
B. understanding  
B. brother        
B. rest           
B. shining              
B. shock          
B. too            
B. dropped        
B. cost         
C. through     
C. satisfied   
C. hearing     
C. sister      
C. ride        
C. wondering         
C. remind      
C. again       
C. let         
C. bring     
D. across      
D. surprised   
D. checking    
D. family      
D. picture     
D. shaking             
D. show        
D. instead     
D. kept      
D. return    
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