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问题 单项选择题

用于耐火防护的材料产品，应按等效工程使用条件的燃烧试验满足耐火极限不低于 1h的要求，且耐火温度不低于( )。

A．100℃

B．500℃

C．1000℃

D．2000℃

答案

参考答案：C

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完形填空。
       My friend John is a university student. Last year he went to Japan and stayed there for two  1  .
I was   2   that John could stay there for so long, because he was quite poor.
       "How did you get so much   3  , John?" I asked, "I thought you could only stay in Japan for two
weeks." "It was easy," John answered. "I got a job in Japan." "A job?  4  ?" "I gave English lessons   5  
a shopkeeper. We became good friends." 
       "But you   6   a teacher!" Mr. Tanaka, the shopkeeper,   7  I was not a teacher. But he said there
were usually many   8   customers coming to his shop, so he hoped to learn a little English. I spent three
hours a day   9   him. In return, he gave me three meals a day and some money." "Did he learn much
English?" I asked. "I don't know," John said, "  10  I learned a lot of Japanese!"
( )1. A. weeks             
(     )2. A. happy             
(     )3. A. money             
(     )4. A. Where did you work
(     )5. A. to                
(     )6. A. are               
(     )7. A. knows             
(     )8. A. American          
( )9. A. teach             
( )10. A. and               		B. months        
B. angry         
B. time         
B. What did you do
B. at            
B. aren’t       
B. knew            
B. French        
B. taught         
B. but           		C. years            
C. surprised       
C. work             
C. How did you get it
C. for                  
C. wasn’t        
C. didn’t know       
C. Russian           
C. teaching        
C .or                		D. days               
D. sorry                
D. friends            
D. When did you do it?   
D. of                  
D. isn’t             
D. know             
D. Japanese              
D. to teach               
D. although        
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判断题

维护顾客最有效的方法就是使顾客满意，一个满意的顾客进而会对产品和企业保持忠诚，从而给企业带来丰厚的利润。
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