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患者女，28岁，因“人工流产术后 * * 不规则出血2个月”来诊。查体：子宫增大如孕3个月大小，质软。尿妊娠试验（＋）。临床拟诊为绒毛膜癌。

对诊断绒毛膜癌最有帮助的特异性声像图表现是（）。

A.子宫增大，超过妊娠周数

B.子宫肌层内血流异常丰富紊乱，并探及动静脉瘘样频谱

C.子宫肌层回声不均匀

D.子宫肌层变薄

E.宫腔内充满大小不等无回声区，呈“蜂窝状”

答案

参考答案：B

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完形填空。

     The Catherine family enjoyed the good things in life as much as anyone else. They ___1__
games, books, music, toys, good food and good times. But sometimes ___2___seemed, especially to
Mrs. Catherine who ___3___the house, that they had too much stuff in the closets, in the drawers, in the
basement, and almost ___4___. It made Mrs. Catherine a little ___5___. 
     One day, at breakfast, Mrs. Catherine made a(n) ___6_. "This family,"she said firmly, "has too much
stuff. It's time to get ___7__of some of them. "The three children all ___8___with this idea and helped pile used things and unused things they were never going to use into the car.
     Their first ___9_was Home for the Aged where the older went to live. Nurses and doctors looked after them, but sometimes the older got a little lonely and ___10__. They liked visitors and things to do. When
the family arrived at Home for the Aged, they ___11___out their games and puzzles to the older and then sat down to play games and do puzzles with them. They had a ___12___time and they were sorry when it was time to leave. 
     Their next stop was the Young Cubs Hospital. The Catherine family dropped ___13___their load of
used toys which were very welcome. The hospital workers said the toys would be given out at the hospital ___14__party.
     Their last stop was People Who Care store. This was a store that sold things to ___15__money for
those who needed warm clothes and good food. The Catherine family lugged all their old clothes and
furniture into the store.  
     After that, the Catherine family __16___home with warm feelings about what they had done. __17___
they drove along, they passed the lighted ___18___of supermarkets which were beautifully decorated for Christmas. There was window after window of the very latest things, but they were so filled with special
thoughts about helping others that they ___19__noticed the wonderful things in the windows except maybe out of the ___20___of their eyes.

( )1. A. read        
( )2. A. there      
( )3. A. knew        
( )4. A. anywhere    
( )5. A. uneasy      
( )6. A. announcement
( )7. A. away        
( )8. A. decided      
( )9. A. place        
( )10. A. bored      
( )11. A. handed    
( )12. A. fine        
( )13. A. onto      
( )14. A. Thanksgiving
( )15. A. rise      
( )16. A. headed      
( )17. A. Though    
( )18. A. closets    
( )19. A. nearly    
( )20. A. corners    		B. played      
B. they        
B. bought    
B. everywhere  
B. difficult  
B. amusement  
B. out      
B. agreed    
B. arrival    
B. disappointed
B. carried    
B. bad      
B. into      
B. Halloween  
B. arise    
B. arrived    
B. As        
B. houses  
B. hardly    
B. sides          		C. enjoyed
C. it     
C. sold   
C. nowhere  
C. ready   
C. notice
C. hold   
C. argued
C. stop   
C. excited
C. found    
C. sad     
C. out      
C. Christmas
C. raise   
C. left   
C. Since   
C. doors   
C. closely
C. edges 		D. shared        
D. this          
D. managed      
D. somewhere    
D. happy        
D. report        
D. rid          
D. dealt        
D. departure    
D. determined    
D. let          
D. sorry        
D. off          
D. Eastern      
D. arouse        
D. felt          
D. Before        
D. windows      
D. immediately  
D. covers        
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会议的名称是会议的综合表达，会议名称的命名方式有很多种，可以以参加者的身份、会议召开的地点、会议主题等方式命名。( )
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