(1)图中M处能否勘探到石油          ,原因是                                 

                            

(2)该处(M)地貌的形成原因是                                                                         

(3)根据水循环发生的领域,图中所示水循环为             循环,该水循环的重要意义表现在   ①                                                          

                                          ________________

(4)在该水循环参与下,①处的            岩可转化为②处的                 岩。

(5)图中N处是否适合修筑高速公路,               ,理由是                         

 

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