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问题 填空题

访问控制表是防火墙实现安全管理的重要手段。完成下列访问控制列表(access-control-list)的配置内容，使内部所有主机不能访问外部IP地址段为202.117.12.0/24Web服务器。
Firewall(config)#access-list 100 deny tcp (11) 202.197.12.0 255.255.255.0 eq (12)

答案

参考答案：80或www

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     Mr. Chen is a farmer who lives in western China with his wife and two sons. One year ago, he
discovered that he had cancer. The doctor told him that he needed 1 at once. And he said the
operation would 2 thousands of yuan. It was too much money for Mr. Chen and his wife. They
had no job and 3 were at school. The situation seemed 4 .
     Two weeks later, however, Mr. Chen got some 5 news. He was told about a health care
project which provides medical treatment for poor patients in 6 China. They 7 to pay only half
the cost or even less. Thanks to the project and the kindness of 8 family and neighbors, he was
able to receive an operation just 9 to prevent the illness from getting worse. 10 he has returned
to his family.      
     The 11 of this health care project is to improve the situation for poor people in western China.
So far, the project has helped more than 5,000 people 12 medical aid. The Chinese government is
 13 working together with other countries and international organizations to do this. They hope to
develop a new health care model 14 China. As our country develops, we must remember the
responsibilities(责任) of caring for the weakest members.

( )1. A. a treatment       
( )2. A. pay               
( )3. A. both their sons
( )4. A. hopeful           
( )5. A. sad               
( )6. A. eastern           
( )7. A. want             
( )8. A. my               
( )9. A. in time           
( )10.A. Already           
( )11.A. chance           
( )12.A. receive           
( )13.A. too               
( )14.A. to               

B. a rest               
B. spend                 
B. both their daughters  
B. hopeless             
B. bad                   
B. southern             
B. need                 
B. your                 
B. on time               
B. Just                 
B. advice               
B. receiving             
B. also                 
B. at                   

C. an operation       
C. have               
C. all their sons
C. harmful           
C. terrible           
C. western           
C. prefer             
C. his               
C. at the same time  
C. Ever               
C. example           
C. received           
C. either             
C. for               

D. training            
D. cost                
D. all their daughters  
D. harmless            
D. good                
D. northern            
D. like                
D. her                  
D. for a long time      
D. Now                  
D. goal                
D. receives            
D. as well              
D. on                  

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单项选择题

凸凹法兰一般应用在公称压力为（）MPa的管路中。

A、1.0

B、1.6

C、2.5

D、4.0
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