certain,sure 確信.有把握 相同點(diǎn):① 都可接about/of,意思是“確信.對(duì)--有把握 .只能用人作主語(yǔ). Are you sure/certain of that? 你對(duì)那件事有把握嗎? ②都可接不定式.意思是“一定會(huì)-- .人或物均可作主語(yǔ). He is certain/sure to succeed. 他一定會(huì)成功. The project is sure/certain to be a success. 這個(gè)計(jì)劃一定會(huì)成功. ③后面跟連接詞+不定式結(jié)構(gòu).意思是“確定-- .只能用人作主語(yǔ). I’m not sure/certain what to do. 我不知道怎么辦. ④都可跟從句.意思是“肯定--.確定-- .只能用人作主語(yǔ). I’m not sure/certain whether I’ve met him before. 我不能確定以前是否見(jiàn)過(guò)他. 不同點(diǎn):sure不能用于“It is certain that... 句型. It is certain that your team will win. 你們隊(duì)肯定會(huì)贏. 應(yīng)用 It’s quite that Dr Smith will be present at the meeting. A.certain B.sure C.certainly D.surely 答案:A 【查看更多】

 

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     Do you know insurance(保險(xiǎn))? Buying insurance is a   1   by which people can protect themselves 
  2   large losses. Protection against fire is one kind of insurance. Large number of people pay    3  sums
of money to an insurance company. Although thousands of people have paid for fire insurance, only   4 
will lose their homes by fire. The insurance company will  pay for these homes  out or the  sums of  money  it has  5  .
     The first modern fire insurance company was    6   in London, England, in 1666. A great fire had just 
 7   most of the city, and people wanted protection against    8     losses. The first company   9    rapidly.
Soon other companies were founded in other areas.
      Benjamin Franklin helped form the first fire insurance company in America in 1752. he also  10   a
new kind of insurance for  11     . the new insurance would off protection against the loss of crops 12  
storms.
     In 1795, Benjamin Franklin helped start 13   new insurance company in America. This company, 14 
offered life insurance, collected some money15   from many different men.16  a man died, his family was
given a large sum of money. Today, this company is 17   in business.
     Over the years, people have  18    from many new kinds of insurance when they have suffered  from 
19   accidents as car and plane crashes.20   , almost everyone has some kind of insurance.
1.  A. way      
2.  A. from      
3.  A. small    
4.  A. many      
5.  A. stole    
6.  A. built    
7.  A. destroyed
8.  A. farther  
9.  A. risen    
10. A. suggested
11. A. farmers  
12. A. with      
13. A. other    
14. A. where    
15. A. commonly  
16. A. If        
17. A. always    
18. A. paid      
19. A. many      
20. A. Today     		B. firm        
B. against    
B. huge        
B. quite a few
B. collected  
B. found      
B. hurt        
B. further    
B. rised      
B. determined  
B. workers    
B. by          
B. certain    
B. which      
B. usually    
B. Although    
B. still      
B. offered    
B. so          
B. Generally   		C. consideration
C. with        
C. much        
C. few          
C. lent        
C. formed      
C. harmed      
C. wider        
C. grew        
C. asked        
C. waiters      
C. from        
C. another      
C. whom        
C. regularly    
C. Unless      
C. hardly      
C. bought      
C. su ch        
C. Lately       		D. means    
D. beyond    
D. little    
D. a few    
D. brought  
D. organized
D. wounded  
D. longer    
D. turned    
D. demanded  
D. doctors  
D. for      
D. some      
D. that      
D. ordinarily
D. Because  
D. seldom    
D. benefited
D. that      
D. Tomorrow  

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