（ 8.2）
                  
⒈                        
⑴            
     
           
           
        
         
       
         
           
       
         
               
                                                                                
⑵            
     
         
         
         
         
           
      
         
         
       
     
         
       
         
         
         
           
             
                                                                   
                        
                                      
                             
                                     
                               
                           
          
⑶        
     
           
              
               
         
         
             
         
       
       
          
           
                 
            
           
          
           
          
       
         
         
         
        
       
             
              
      
             
         
               
       
              
         
           
         
        
              
         
⑷     
      
           
          
           
           
      
         
               
      
       
           
        
        
               
         
         
       
                                                              
                                        
                            
                                                                                      
            
           
⑸      
      
               
         
           
         
       
           
             
              
         
                 
         
         
            
           
            
          
         
                            
                                