问题 单项选择题

目前,下列哪项监测指标能比较准确地反映组织缺氧的情况

A.动脉血气分析

B.血乳酸含量

C.血流动力学变化

D.呼吸频率

E.胃肠黏膜pH

答案

参考答案:E

单项选择题 A1/A2型题
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     Charles and I used to hang out all the time , together with a few other guys , but he seemed too cool
for us lately . We couldn't understand the   1  , and we didn't ask him for an explanation .  2   , we
decided to    3   him a lesson in the way he treated us .
     Once we started giving Charles the   4   shoulder , almost everybody was taking no notice of him . He
looked so    5   , especially at lunchtime when he sat alone in the cafeteria . Now and then he nodded and
said , "Hey!" when   6    passed his table , but all he got   7  return were mean looks and silence .
     At first I was glad my plan had    8   , but Charles' unhappiness made me upset . I only wanted him to
know   9   it felt like to be blown off , but I hadn't thought about how badly my "lesson" would   10  him .
     During one lunch period, I   11  as Charles repeatedly glanced at his watch , obviously   12   the
minutes until he could leave the cafeteria . I suddenly realized I had done wrong .
      "Hey ! man . I'm terribly sorry." I called out .
    Charles turned around    13   , clearly wanting to avoid eye contact .
     "Oh, so you are talking to me now ?" he asked .
    "I'm so sorry ,  14   I had thought that you wanted to end our friendship." I said .
     "What?" he nearly shouted , looking much   15  . "I've left you alone because I thought that was what
you wanted."
     "Oh, my God ! Why would I want    16   ?" I shouted , completely puzzled .
     Clearly , we both had been    17   each other wrong .
     At first Charles couldn't accept my   18 . I knew he needed time to   19   all the hurt I'd caused him . 
 But eventually , he did forgive me . We even started hanging out together   20   . And our friendship
wasn't destroyed at all .
( )1. A. situation     
( )2. A. Besides       
( )3. A. take         
( )4. A. serious       
( )5. A. sad           
( )6. A. nobody       
( )7. A. at           
( )8. A. helped       
( )9. A. what         
( )10. A. worry       
( )11. A. imagined     
( )12. A. counting     
( )13. A. immediately
( )14. A. and         
( )15. A. interested   
( )16. A. it          
( )17. A. understanding  
( )18. A. explanation
( )19. A. get through
( )20. A.  seldom      
B. change   
B. Therefore
B. teach   
B. friendly
B. angry   
B. anyone   
B. in       
B. operated
B. that     
B. touch   
B. listened
B. guessing
B. slowly   
B. so       
B. pleased
B. those   
B. regarding
B. attitude
B. get over
B. once     
C. action   
C. Instead   
C. give     
C. warm     
C. happy     
C. they     
C. on       
C. worked   
C. as       
C. hurt     
C. recalled
C. waiting   
C. finally  
C. thus     
C. surprised
C. that     
C. knowing   
C. suggestion
C. get across
C. again     
D. appearance        
D. Opposite          
D. attend            
D. cold              
D. high              
D. someone            
D. by                
D. done              
D. how                
D. disappoint        
D. watched            
D. checking          
D. willingly          
D. but                
D. moved              
D. such              
D. treating          
D. apology            
D. get along          
D. also