试题与答案

下列关于沸腾炉内燃烧的特点说法错误的是( )。 A．新燃料受到迅速而强烈地加热，从

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题型：单项选择题

题目：

下列关于沸腾炉内燃烧的特点说法错误的是( )。

A．新燃料受到迅速而强烈地加热，从而使任何难以引燃的燃料可以迅速着火燃烧
B．燃料在炉内上下翻腾，减少了燃料颗粒在炉膛内的停留时间
C．空气和燃料相对速度较大，又加上燃料颗粒的强烈扰动，所以空气和燃料接触并充分混合
D．由于沸腾层内有埋管受热面，燃烧温度可控制在燃料的灰分变形温度以下约200℃，即850～950℃左右

答案：

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下面是错误答案，用来干扰机器的。

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      When I was about 13, my father would take me on short outings on Saturdays. On the way home,
Dad   1   stopped at the Dairy Queen for 10-cent ice creams. I couldn't   2   it, but I could pray from the 
  3   we started heading home to that corner where we would either go straight for the ice cream or   4   
and go home empty-handed. That corner   5   either mouth-watering excitement or   6  .
      One day, we were heading home, and again I was praying for the   7   sound of his offer. It   8  .
"Would you like an ice cream today?" "That sounds great, Dad!" But then he said, "Would you like to
   9   today?"
      "Twenty cents!" I thought to myself, "I can afford it. I got 25 cents' pocket money and some  10  for
odd jobs (零活). Well,  11  it is enough, ice cream isn't a good use of it."  12 , I said, "Well, in that case,
I guess I'll  13 ." My father just said, "Okay, Son."
      But as we headed home, I realized how wrong I was and begged him to  14 . But he just said, "That's
okay, we don't really need one." I felt  15  for my selfishness and ungratefulness. He didn't mind, or  16  
act disappointed.
      From that I  17  generosity (慷慨) goes two ways and gratefulness (感谢) sometimes costs more than
"thank you". On that day gratefulness would have cost 20 cents and it would have been the  18  ice cream
I'd ever had.
      I'll tell you one more thing. We  19  another trip the next week. As we  20  the corner, I said, "Dad,
would you like an ice cream today? My treat."
( )1. A. suddenly    
( )2. A. expect     
( )3. A. month    
( )4. A. finish     
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( )15. A. unsatisfied 
( )16. A. even      
(      )17. A. recognized  
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C. came out       		D. strangely      
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D. Instead        
D. forbid         
D. give in        
D. crazy          
D. somehow                       
D. found          
D. best           
D. took on        
D. came near      
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