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问题 单项选择题 A1型题

患者，男，60岁。因肝硬化，一次排放腹水3000ml而无尿，诊断应首先考虑为（）。

A.急性肝衰竭

B.急性心衰

C.肾前性肾衰竭

D.肾后性肾衰竭

E.肾性肾衰竭

答案

参考答案：C

解析：如24小时尿量少于100ml，12小时完全无尿称为无尿。放大量腹水后，大量水分渗入组织间隙和浆膜腔，血容量减少，肾血流减少，导致肾前性肾衰。

完形填空
完形填空。
     On Sunday morning,   Helen usually gets up very late.   She washes her face and then goes  out to   1   morning
exercises. It is about 8.20 a.m.  After eating her   2     , she goes to a shopping centre called Times Shopping Centre
   3    her mother. The shopping centre is not far    4   their home. It only 5   them about 20 minutes to get there   6   ,
so they like walking there. Helen enjoys shopping   7 there very much. It is new  8  big.  9 many things, such as TVs,
fridges, bikes, computers, clothes, books, food and drinks. There are many   10   too. There are men and women, old
and 11  . Parents must   12  their children. The shopping centre is so big. Young children may get lost (迷失) in it. 
 13  do so many people come here to buy things? Do you know? Helen said that things there are usually good and 
  14 .The workers there are always nice and friendly. She also said that she would take   15  there and have a look if
you come to her home.
( )1. A. play        
( )2. A. dinner      
( )3. A. with        
( )4. A. to          
( )5. A. takes      
( )6..A. by foot    
( )7. A. to          
( )8. A. but        
( )9. A. They're    
( )10.A. students    
( )11.A. tall        
( )12.A. look for    
( )13.A. What        
( )14.A. cheap      
( )15.A. you         		B. do            
B. lunch          
B. to            
B. into          
B. makes          
B. use foot      
B. /              
B. with          
B. There are      
B. people        
B. short          
B. look like      
B. Who            
B. expensive      
B. them           		C. run        
C. supper      
C. for          
C. at          
C. spends      
C. on foot      
C. at          
C. and          
C. There be    
C. teachers    
C. young        
C. look at      
C. Why        
C. big          
C. him          		D. make        
D. breakfast    
D. of          
D. from        
D. costs        
D. with foot    
D. to          
D. or          
D. There is    
D: children    
D. small        
D. look after  
D. When        
D. new          
D. her          
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单项选择题

若随机事件A与B互不相容，且P(A)=0.4，P(B)=0.3，则P(A+B)=( )

A．0.82
B．0.7
C．0.58
D．0.52
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