冬天漫漫,春天还远,下图中A地区位于世界两大裂谷带之一的攀西大裂谷上,却冬天胜似春天,被称为四川的“三亚”,它就是攀枝花。这里有富甲天下的矿产资源,浓郁的民族风情,而最有特色的莫过于“冬日三绝”,即内陆同纬度地带最温暖的阳光,生长时间最快的密集鲜花和罕见的温泉。根据以上材料和图,回答下列问题。
(1)图中,A处温度范围是多少?描述图中等温线的大致分布特点并分析原因。
                                                                                                                                                               
                                                                                                                                                               
(2)据材料和所学地理知识,解释该地拥有“内陆同纬度地带最温暖的阳光”的原因。
                                                                                                                                                                
                                                                                                                                                               
(3)请评价当地经济发展的条件。
                                                                                                                                                               
                                                                                                                                                               
阅读材料,完成下列各题。
材料一 下图为我国某地等高线( 单位:m) 图。
材料二 下图为该地七月等温线( 单位:?) 分布图。
(1)材料二图中①与③之间等温线的分布特点是________,其原因是________。
(2)结合材料一,从地形、地势对气温的影响角度简要分析材料二图中②地气温最高的原因。
                                                                                                                                                                
                                                                                                                                                                
(3)分析材料一图示区域内水能开发的有利因素。
                                                                                                                                                                
                                                                                                                                                                
阅读图示资料,完成下列各题。
下图示意某区域多年平均降雪量与雪期(从当年初雪日到次年终雪日的天数)的空间分布。该区域内丘陵区每年因融雪径流造成的土壤侵蚀较为严重。
(1)根据等雪期线的分布,分析沿MN 一线的地形分布特点。
                                                                                                                                                               
                                                                                                                                                              
(2)比较甲、乙两地雪期与降雪量的差异,并解释原因。 
                                                                                                                                                               
                                                                                                                                                               
(3)分析位于丘陵区的丙地融雪侵蚀较乙地严重的原因。
                                                                                                                                                                
                                                                                                                                                                
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