题目

Whether you’re up for a Crocodile Dundee’s adventure or you’d just like a taste of the Australian sun, the beaches in and around Sydney can offer you all that and more. Sydney Beach Sydney Beach is located at Sydney’s northernmost tip on an extension(延伸) of land ending at Palm Beach. Before checking out the golden sand, take a quick tour of the houses of millionaires from the art and film industries. Palm Beach Only about an hour from downtown Sydney, Palm Beach offers a long stretch(延伸) of clean sand and water. With parking near the center of the beach, that leaves t阅读材料，完成下列问题。材料一斯堪的纳维亚山脉两侧多河流和湖泊，湖泊鱼类品种数量分布差异非常大，呈现出海拔越高、湖面积越小，鱼类品种越少的特点。材料二挪威水能丰富，均采取梯级开发方式开发水电；近年电力需求增长较快，为此寻求大力发展风力发电，冬季强劲的风力发电和春、夏、秋季充沛的水能发电组合，确保其全年电力供应充足，堪称世界上最佳的能源组合形式。材料三下图为斯堪的纳维亚半岛示意图。（1）请分析斯堪的纳维亚山脉多山地湖泊的原因。（2）请从自然原因和人类活动的角度分析北欧湖泊鱼类品种数量少的原因。（3）请解释挪威最适合发展风电与水电进行组合发电的原因。