如何理解屈原怀沙自沉?

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问题:

如何理解屈原怀沙自沉?

考点:大学公共基础课大学语文大学语文题库
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我们使用光学显微镜观察物体时一定要先把被观察的材料制作成玻片标本,然后再放在显微镜下观察.你认为这样做的原因是什么?______.

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2008年周恩来同志诞辰110周年,下列属于周恩来参与的重大活动有

①黄埔军校②南昌起义③秋收起义④重庆谈判⑤万隆会议  [ ]

A.②③④⑤    

B.①③④⑤  

C.①②③④    

D.①②④⑤

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典型心绞痛疼痛的特点是()

A.心尖部持续剧烈疼痛

B.心前区针刺样疼痛

C.胸骨后短暂压迫性疼痛

D.持续性右胸钝痛

E.心前区疼痛伴压痛

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Cloze test.
     Everyone in business has been told that success is all about attracting and retaining (留住) customers. It
sounds simple and achievable. But,   1  , words of wisdom are soon forgotten. Once companies have attracted
customers they often   2   the second half of the story. In the excitement of beating off the competition,
negotiating prices, securing orders, and delivering the product, managers tend to become carried away. They
forget what they regard as the boring side of business-  3   that the customer remains a customer. 
       4   to concentrate on retaining as well as attracting customers costs business huge amounts of money
annually. It has been estimated that the average company loses between 10 and 30 per cent of its customers
every years. In constantly changing   5  , this is not surprising. What is surprising is the fact that few companies
have any idea how many customers they have lost.
     Only now are organizations beginning to wake up to those lost opportunities and calculate the   6   implications.
Cutting down the number of customers a company loses can make a big   7   in its performance. Research in
the US found that a five per cent decrease in the number of defecting (流失的) customers led to   8   increases
of between 25 and 85 per cent.
     In the US, Domino's Pizza estimates that a regular customer is worth more than $5,000 over ten years. A
customer who receives a poor quality product or service on their first visit and   9   never returns, is losing the
company thousands of dollars in  10  profits (more if you consider how many people they are likely to tell about
their bad experience).
     The logic behind cultivating customer  11  is impossible to deny. "In practice most companies' marketing
effort is focused on getting customers, with little attention paid to  12  them", says Adrian Payne of Cornfield
University School of Management. "Research suggests that there is a close relationship between retaining
customers and making profits."  13  customers tend to buy more, are predictable and usually cost less to service
than new customers. Furthermore, they tend to be less price  14 , and may provide free word-of-mouth
advertising. Retaining customers also makes it  15  for competitors to enter a market or increase their share of
a market.
( )1. A. in particular
( )2. A. emphasize   
( )3. A. denying   
( )4. A. Moving      
( )5. A. markets    
( )6. A. culture    
( )7. A. promise    
( )8. A. cost        
( )9. A. as a result  
( )10. A. huge        
( )11. A. beliefs   
( )12. A. altering    
( )13. A. Assumed     
( )14. A. agreeable   
( )15. A. unfair      
B. in reality    
B. doubt        
B. ensuring       
B. Hoping          
B. tastes          
B. social      
B. plan        
B. opportunity     
B. on the whole  
B. potential        
B. loyalty        
B. understanding    
B. Respected       
B. flexible     
B. difficult   
C. at least       
C. overlook       
C. arguing        
C. Starting         
C. prices          
C. financial   
C. mistake         
C. profit         
C. in conclusion    
C. extra          
C. habits         
C. keeping     
C. Established     
C. friendly       
C. essential      
D. first of all       
D. believe            
D. proving            
D. Failing            
D. expenses              
D. economical       
D. difference         
D. budget                  
D. on the contrary                
D. reasonable         
D. interest             
D. attracting       
D. Unexpected         
D. sensitive          
D. convenient         
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某地欲新建一年产50万吨的水泥厂,环境影响评价文件已经过环保部门审批通过,当发生( )情况时,建设单位需重新报批建设项目的环境影响评价文件。

A.年产量增加到100万吨
B.水泥厂变为造纸厂
C.水泥厂易址
D.水泥厂更名
E.水泥厂产权变更

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