问题 单项选择题

丝虫病时,产生水肿的主要因素是 ()

A.毛细血管滤过压增高

B.毛细血管通透性增高

C.水与钠潴留

D.血浆胶体渗透压降低

E.淋巴液回流受阻

答案

参考答案:E

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     Now we live in the "computer age". People like scientists, teachers, writers and even students use
computers to do much   1  . But more than 30 years ago,   2   couldn't do much. They were very big
and expensive. Quite few people were   3   in them and knew how to use them. Today computers are
  4   and cheaper. So many people like to use them   5   they can do a lot of work. Some even use
them at home. Computers become very important because they can work   6   than men and make
fewer mistakes. Computers can help people   7   a lot of work. Writers use computers to write, students
use them to study and children use them to play games. Computers can   8   what you put into them.
They are very useful and   9  . They are our good  10 . We love them very much.
( )1. A. things    
( )2. A. computers 
( )3. A. interest  
( )4. A. smaller   
( )5. A. though    
( )6. A. fast      
( )7. A. to do     
( )8. A. remember  
( )9. A. careful   
( )10. A. pets     
B. work            
B. students    
B. interested    
B. small        
B. because       
B. faster       
B. doing              
B. forget       
B. beautiful   
B. friends    
C. jobs                         
C. teachers           
C. interesting                 
C. bigger                
C. if                     
C. slower            
C. do                        
C. hear                   
C. helpful         
C. things           
单项选择题