读东北地区图,完成下列各题。(共20分)

1、邻国:A       ,B       
2、山脉:①                      
3、临海:C        
4、河流:D        
5、东北地区大部分地处我国地势的第     级阶梯,主要地形类有               
6、东北地区地表结构的基本特征是                                                    
                                                                                   
                                                                                   
7、地理位置一般分为绝对位置和相对位置,运用上图简要评价东北地区的地理位置。
                                                                             
                                                                             
                                                                              
                                                                              
                                                                               
                                                                               
                                                                               
                                                                               
 0  42968  42976  42982  42986  42992  42994  42998  43004  43006  43012  43018  43022  43024  43028  43034  43036  43042  43046  43048  43052  43054  43058  43060  43062  43063  43064  43066  43067  43068  43070  43072  43076  43078  43082  43084  43088  43094  43096  43102  43106  43108  43112  43118  43124  43126  43132  43136  43138  43144  43148  43154  43162  133493 

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