       
                  
            
    
              120     150  

 
          35  

1.     ①  ④          6  
                                            a.  b.  c.          
①              2  
     A.           B.          C.             D.
②           2  
                                
                          
      
③            2  
      
         
④              
       2  
2.                      2 
A.     B.     C     D  
3.                      2  
A.             
    B.     
C.                                D.       
4.            2  
A.                
B.                
C.             
D.                 
5.                                             2  



6.          4  
①        

②                             

7.  √   ×       5  
   ①                      
   ②                      
   ③                                 
   ④                           
   ⑤                      
8.       6  
①                          

                            
                                   
②                                 
                                    
9.               4  
①           
 
②            
                   
 
③       
    
        
            10  

10.                                   30        3  


11.                         
①         2     2  


②               1  

③      2     1  
    
    ④               3  
        
  
          35  

      12  26     
                  
                     
                        
                         
                                                                                                                            
             
12.                2 
A.       B.      C.     D.  
13.             2  
A.              B.         
C.                  D.         
14.               2  

15.        2  

16.           2  

17.               2          2  

18.             2  
  
       

           
                                 
    A.                                                                
                         
   B.                         
         
                   
   C.                                                            50           70    
                                                                                
   D.                                                                              
   E                 
19. A         2  


20.  B             2  


21  C         2            2  
  


22.             4  
   
 
  
 
23.  E             2  


24.             2  


25.           3  
     
      
       
26.                    2      2  


          
        40  

        ×××         ×××                
 ①              
       ②              
       ③             
       ④    450     