(1)图中A、B、C三条山脉，属于我国季风区与非季风区分界线的是(填字母代号并写出山脉名称)

(2)图中E省储量最丰寓的能源是            。

(3)图中D河流中游流经的高原地区水土流火严重，对下游河床产生的影响是                                                                                                                                                                                                                                                                                                                                                                                 ；结合所学知识，试分析该高原地区水土流失严重的原因：                                                

                                                                                                                          。

(4)在图中适当位置填写滨州市的临海名称。