问题 问答题 简答题

为何用抗人血红蛋白血清既可确定血痕,又确定是人血痕?

答案

参考答案:

抗人血红蛋白血清,不仅具有种属特异性,而且还具有脏器特异性,故既可用于血痕的种属检验,也可用于血痕的确证检验,从而可省略确证试验。但抗人血清蛋白血清则不具有脏器特异性,只能用于种属检验,而不能省略血痕确证试验。

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     I live in Albuquerque, New Mexico. I used to give a lot of money to the homeless,feeling   1   for them.
But as time passed, I became a mom with no home, a huge    2  , and hardly any income. As a result, I  3   
giving money to the people on the side of the road and became very  4   .
     Things started to change for me   5  . I had a home, a backyard for my daughter,and plenty of food, and
I started to   6   myself out of debt. One day we saw a homeless person with the   7 , "Will work for food." I 
  8  . My daughter commented. "Mommy, you used to always give money to those people in   9  ." I replied,
"Honey, they just use that money for  10 , or other bad things." She didn't respond.  11  when I said that, I
didn't feel right.
     Three days later, I was driving to   12   my daughter from school. A man was standing on the corner, and
something deep   13   me said,"Just help the guy." So I  14  down my window, and he ran over excitedly. He
said,"God bless you, I only need 77 cents." I  15   into my ashtray (烟灰缸) and strangely enough, there  16  
three quarters and two pennies.
     I picked them up and gave them to him. He  17  with joy and tears in his eyes."Wow, you just made it  18 
 for me to see my mom for Christmas! Thank you so much; the  19   that had this great sale is leaving in 20
minutes!" It was a moment I'll  20  forever. I think that man won't forget it either, but I was the one who got
the best gift in life-GIVING.
( )1. A. angry     
( )2. A. debt     
( )3. A. continued
( )4. A. rich     
( )5. A. slowly   
( )6. A. save     
( )7. A. determined
( )8. A. ran away  
( )9. A. danger   
( )10. A. life     
( )11. A. And     
( )12. A. bring up  
( )13. A. on       
( )14. A. rolled   
( )15. A. reached  
( )16. A. hid     
( )17. A. stood up  
( )18. A. possible  
( )19. A. plane   
( )20. A. thank   
B. sorry     
B. burden     
B. appreciated 
B. pleased   
B. immediately 
B. pull       
B. sign       
B. turned back 
B. love       
B. book       
B.So         
B. carry out 
B. inside     
B. pushed     
B. went       
B. stood     
B. turned up 
B. meaningful 
B. bus       
B. respect    
C. grateful  
C. disease 
C. hated    
C. relaxed 
C. quickly  
C. run      
C. child  
C. passed by 
C. need    
C. food      
C. But      
C. pick up   
C. behind    
C. blew    
C. knocked  
C. slept    
C. set out   
C. wonderful 
C. woman     
C. remember
 D. strange          
D. problem          
D. stopped          
D. bitter           
D. greatly          
D. feed             
D. advertisement     
D. sped up          
D. sadness          
D. smoking          
D. Even             
D. take out         
D. over             
D. took             
D. shouted          
D. sat              
D. burst out        
D. interesting      
D. man              
D. hold           
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