问题 单项选择题

双胍类降血糖药物的降糖作用机制为()

A.促进餐后胰岛素的分泌

B.促进基础胰岛素的分泌

C.延缓肠道碳水化合物的吸收

D.激活过氧化物酶增殖体活化因子受体

E.增加外周组织对葡萄糖的摄取和利用

答案

参考答案:E

解析:双胍类降糖药作用机制包括:促进肌肉等外周组织摄取葡萄糖,抑制葡萄糖异生;抑制或延缓葡萄糖在胃肠道吸收。

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     Nancy had just got a secretary's job in a big company to work in the sales department.Monday
was the first day that she went to work, so she was very   1  .She got up very early and arrived at
the _2_ at twenty to twenty to eight.She _ 3   the door open and found nobody there."I'm the
to arrive." She thought and came to her desk.She was surprised to   5   a large bunch of flowers
on it.They were fresh.She   6    the flowers from the desk and smelled them.
     Oh, how lovely!"" Nancy   7  joyfully.She then looked round for a   8   to put them in.
Somebody has sent me flowers the _9  first day?'" She thought happily." But who could it be?"
She began to wonder.The day passed very 10 and Nancy did everything with great interest and
  11 .For the following days of the week, the first thing Nancy did was to change water for the
flowers.And then she 12_herself in her work.Then came another Monday.When she came near
her desk she was overjoyed to see a (an)13 bunch of flowers there.She quickly put them in the
vase, replacing the old ones.
     The same thing happened again the next Monday, Nancy felt it 14  and this time she began to think
of ways to find out the   15  .
     One Tuesday afternoon, she was sent to16 a plan to the general manager's office.She had to stay
for a while at his secretary's desk waiting for his 17 .She happened to see on the desk a big note book
on which were 18_ "Records of Manager' meetings" , and glanced at the 19 pages.Suddenly her
eyes fell on these words;" in order to keep the secretaries 20 the company has decided that every
Monday morning a bunch of fresh flowers should be sent to each secretary's desk." Later, she was told
that their general manager was a business management psychologist.
( )1. A.depressed  
( )2. A.office    
( )3. A. forced    
( )4. A.last      
( )5. A.uncover    
( )6. A.picked up  
( )7. A.cried      
( )8. A.jar        
( )9. A.happy      
( )10. A.slowly    
( )11. A.wisdom    
( )12. A.buried    
( )13. A.old      
( )14. A.special  
( )15. A.sender    
( )16. A.send for  
( )17. A.news      
( )18. A.marked    
( )19. A.closed    
( )20. A.at home  
B. encouraged
B. workshop  
B. pushed    
B. second    
B. smell      
B. threw away
B. laughed    
B. box        
B. very      
B. normally  
B. bravery    
B. dressed    
B. red        
B. angry      
B. receiver  
B. hand out  
B. directives
B. written    
B. damaged    
B. on time    
C. excited      
C. classroom    
C. turned        
C. third        
C. find          
C. stared at    
C. wept          
C. bottle        
C. funny        
C. quickly      
C. passion ate  
C. devoted    
C. blue 
C. strange      
C .manager      
C. try out      
C. gifts        
C. pressed      
C. pinned        
C.in high spirits

D. surprised        
D. bookshop        
D. nocked          
D. first            
D. pick            
D. took up          
D. replied          
D. vase            
D. quite            
D. hardly      
D. enthusiasm
D. seated          
D. new              
D. difficult        
D. waiter          
D. hand in          
D. receipts        
D. signed          
D. half-opened      
D. in low spirits  

问答题 简答题