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计算题:某114.5KA系列60台电解槽,9月12日至30日强化电流2%,若该系列本月产铝量为2050吨,试计算该系列9月平均电效为多少?(结果保留2位小数)

答案

参考答案:

该系列本月原铝理论产量为0.3355×[114.5×11+114.5×(1+0.02)×29]×60×24/1000=2244.77吨,

因此该月车间平均电效为2050/2244.77×100=91.32%

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                                               A Love Note to My Mom
     When I was a little girl, I would often accompany you as you modeled for fashion photographers.It
was years later that I finally understood what role modeling __1__ in your life.Little did I know you were __2__ every penny you earned to go to __3__ school.
     I cannot thank you enough for  __4__  you told me one autumn afternoon when I was nine.After
finishing my homework, I wandered into the dining room where you were buried  __5__ piles of law
books.I was __6__.Why were you doing what I do-memorizing textbooks and studying for __7__ ?
When you said you were in law school, I was more puzzled.I didn't know Moms __8__ be lawyers too.
You smiled and said, "In life, you can do anything you want to do."
     As young as I was, that statement kept __9__ in my ears.I watched as you faced the __10__ of
completing your studies, starting companies with Dad, while still being a  __11__  and a Mom of five kids.
I was exhausted just watching you __12__.With your words of wisdom in my __13__mind, I suddenly
felt unlimited freedom to dream.My whole world __14__.I set out to live my life filled with __15__,
seeing endless possibilities for personal and professional achievements.
     Your words became my motto.I  __16__ found myself in the unique position of being either the first
(woman doctor in Maryland Rotary) __17__ one of the few women (chief medical reporters) in my field.
I gained strength every time I said, "Yes, I'll try that."
     Encouraged by your __18__, I have forged ahead (毅然前行) with my life's journey, less afraid to
make mistakes, and __19__ meeting each challenge.You did it, and now I'm __20__ it.Sorry, got to run.
     So much to do, so many dreams to live.
( )1. A.found          
( )2. A.saving        
( )3. A.business      
( )4. A.what          
( )5. A.at            
( )6. A.amused        
( )7. A.roles          
( )8. A.must          
( )9. A.ringing        
( )10. A.choices      
( )11. A.professor    
( )12. A.in danger    
( )13. A.weak          
( )14. A.came back    
( )15. A.hope          
( )16. A.constantly    
( )17. A.and          
( )18. A.description  
( )19. A.secretly      
( )20. A.doing        
B. played          
B. making          
B. fashion        
B. that            
B. to              
B. worried        
B. tests          
B. ought to        
B. blowing        
B. chances        
B. doctor          
B. in action      
B. powerful        
B. closed down    
B. hardship        
B. shortly        
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B. statement      
B. curiously      
B. considering    
C. kept            
C. donating        
C. law            
C. which          
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C. puzzled        
C. positions      
C. need            
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C. reporter        
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C. youthful        
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C. praise          
C. carelessly      
C. correcting      
D. provided              
D. receiving            
D. medical              
D. where                
D. under                
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D. shows                
D. could                
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D. changes              
D. model                
D. in charge            
D. empty                
D. opened up            
D. sadness              
D. nearly                
D. for                  
D. introduction          
D. eagerly              
D. reading              
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