问题 单项选择题

心室率200次/min,QRS呈右束支传导阻滞型,R-R规则,程序刺激和快速起搏可终止或诱发。心电图诊断为()

A.室上性心动过速伴右束支传导阻滞

B.室性心动过速

C.心房扑动,3:2传导伴右束支传导阻滞

D.快速性心房颤动伴右束支传导阻滞

E.以上都不是

答案

参考答案:A

完形填空
完形填空。
     Thomas Edison was American. He was a    1    scientist. He was born in 1847. When he was a child,
he liked to find out how things    2   . He was in school for only three months. He asked his teacher a lot
of    3    questions. Most of them had nothing to do    4    his lesson. The teacher thought the boy was
not    5    and was not worth    6   . When he told this to Edison's mother, she took her son out of school.
As she had been a teacher, she taught him    7   . The boy read a lot. Soon he became very     8    in
sciene.     9    the age of ten Edison had already built a chemistry lab for himself. Ever since then, he
never stopped   10   for new and better ways to do things.
( ) 1. A. good      
(     ) 2. A. did 
( ) 3. A. bad      
(     ) 4. A. with      
(     ) 5. A. bright    
(     ) 6.A. to teach   
( ) 7.A. himself    
(     ) 8. A. to interest
(     ) 9. A. When      
(     )10. A. searched  
B. well         
B. went   
B. strange      
B. to           
B. satisfied   
B. teaching    
B. themselves    
B. interest   
B. While        
B. searching  
C. kind           
C. worked         
C. difficult
C. from            
C. honest        
C. teach        
C. herself        
C. interesting  
C. In             
C. to search  
D. famous      
D. important   
D. important
D. in          
D. disappointed
D. taught      
D. oneself                        
D. interested   
D. At           
D. search     
选择题