问题 问答题 简答题

饲料的营养水平对乳成分的影响有哪些?

答案

参考答案:

1养不仅影响产奶量、而且也影响乳成分含量。

2粮中添加脂肪可提高乳脂含量

3宜的粗蛋白和粗纤维水平可提高乳脂率

4中矿物质与饲料中含量的关系不大

5中维生素与泌乳期日粮中含量有关

完形填空
完形填空。
     The first event of my life to be printed into my memory occurred when I was three. My mother stands,
working in the  1   and then glances at me with a   2   smile. Two feet down the table, I knock on a chair with
a bowl and a spoon,   3   my own invisible (无形的) powder. We wear   4   dresses, mine the leftover   5   from
hers, sky blue-mommy's favorite color. I am her shadow.
     However, by 14 I could not   6   my mother. All that I heard every day was no.I wanted to dye my hair and
she said no. I wanted to   7   late with my friends and she said no. I didn't understand why she said no. She was
trying to  8   me from aches and pains and mistakes   9   in her teens. Several years later, I finally understood her, but it was too late. She became ill. I cried and  10  ,"Don't take her, God, please! She is my mother, my mommy
, the woman who gave me life. All my years,   11   the bad times and the good, she has been there,  12   to me
forever by an invisible umbilical cord (脐带) that lasts longer after birth." But this cord, this love could do nothing to stop the cancer from  13  .
      A few years later  14   I myself lay in the hospital bed, my newly born daughter was   15   in my arms. cried
and smiled and prayed. Please help me to   16   her into a wonderful girl. And looking down   17   her eyes, I
could see the message they held, "Your   18   would be proud."
     I stand in the kitchen now, and these thoughts flashed through my mind. I glance at my young daughter. A
   19   feeling rushes through my soul as I take in the familiar  20  . I am my mother's shadow.
( ) 1. A. kitchen    
( ) 2. A. lovely     
( ) 3. A. preparing  
( ) 4. A. same       
( ) 5. A. material   
( ) 6. A. stand      
( ) 7. A. keep up    
( ) 8. A. save       
( ) 9. A. watched    
( )10. A. screamed   
( )11. A. through    
( )12. A. connected  
( )13. A. spreading  
( )14. A. when       
( )15. A. placed     
( )16. A. change     
( )17. A. for        
( )18. A. daughter   
( )19. A. warm       
( )20. A. saying     
B. dining room
B. lively    
B. mixed     
B. similar   
B. clothes   
B. agree     
B. keep on   
B. warn      
B. liked     
B. said      
B. in         
B. shared    
B. growing   
B. before    
B. given     
B. support   
B. through   
B. mother    
B. strange   
B. scene     
C. sitting room  
C. loving        
C. mixing        
C. different     
C. dress         
C. know          
C. stay up       
C. help          
C. heard       
C. shouted     
C. on            
C. concerned     
C. escaping    
C. since         
C. thrown        
C. bring         
C. up            
C. children      
C. painful       
C. drawing     
D. garden     
D. horrible   
D. prepared   
D. matching   
D. clothing   
D. realize    
D. stay out   
D. stop       
D. experienced
D. prayed     
D. within     
D. joined     
D. moving     
D. then       
D. taken      
D. raise      
D. into       
D. friends    
D. exciting   
D. paint                     
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