问题 问答题 简答题

简述荧光免疫组化技术直接法的原理。

答案

参考答案:

将荧光素标记的已知抗体(或抗原)与切片(印片)中相应抗原(或抗体)直接发生反应,以检测组织与细胞标本中的靶抗原(或抗体)。

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     As I have learnt English very well, there is a good chance I will be able to stay on as a teacher in the
university where I am   1   . Most of my friends and parents   2   that it's best for a girl to be a university
teacher.
      But I don't know   3   to do.  It is not that I wouldn't like to be a teacher.  But I don't want to stay,
not now, because I need some experience in telling my students how to turn   4    into practice.
      I once taught business English at a night school, yet I had never done any business.  Though I
prepared my lessons well, I still   5   to create (创造) a "real life" situation for my students to practice
with. I feel now is not the right time for me to   6   here and spend my life in a university, I want to work
in a place where I can   7     what I've learnt, my knowledge of English and French. I also want to know
more about other things.
      I know that   8   I leave the university,  I shall start from the beginning in some ways, but I'm  9   to
learn, to work hard to keep up with others and then, if possible, to surpass (超过) them.  English can be
a good tool to help me.  It is a    10   an end, but not the end itself.
( )1.A. visiting  
( )2.A. know      
( )3.A. whether    
( )4.A. pictures  
( )5.A. failed    
( )6.A. study      
( )7.A. learn      
( )8.A. if        
( )9.A. free      
( )10.A. language  
B. working
B. think  
B. what    
B. covers  
B. enjoyed               
B. work    
B. finish  
B. before  
B. slow    
B. means  
C. studying  
C. excuse    
C. how      
C. theory    
C. decided                   
C. travel    
C. use      
C. until    
C. ready    
C. life      
问答题 简答题