问题 单项选择题

系统安全管理员对审计库Sybsecurity及审计日志的使用空间、剩余空间进行监控,并做好相应记录。检查频度为()一次。

A.每天

B.每周

C.每半月

D.每月

答案

参考答案:B

完形填空
完形填空。
       Swimming is very popular in summer because water makes them feel cool. If you like   1     but
swim in a   2   place, it may not be safe. These years more than ten thousand people   3    then they were
enjoying themselves in the water and   4   of them were students. But some people are    5   not careful
in swimming. They often think they swim so   6    that nothing can happen to them in water. If you go
swimming in summer, don't forget    7   better swimmers have died in water. They died because they
were not careful, not because they   8    swim. So don't get into water when you are alone.    9   there
is "No Swimming." Sign, don't get into water,    10     . If you remember these, swimming will be safe.
( )1. A. swam    
( )2. A. difficult  
( )3. A. died    
( )4. A. much more
( )5. A. even      
( )6. A. hard      
( )7. A. who      
( )8. A. couldn’t      
( )9. A. Though        
( )10.A. neither       
                            

B. swimming    
B. right       
B. will die      
B. most  
B. already      
B. fast      
B. that  
B. wouldn’t  
B. Because      
B. either   
                

C. swiming
C. small  
C. die
C. more
C. still
C. well
C. which 
C. needn’t
C. Whether
C. nor 
              

D. swim        
D. wrong        
D. dead        
D. lot          
D. yet          
D. often    
D. what        
D. mustn’t
D. If          
D. too          
                

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