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一、知识要点 1.本单元必须掌握的知识要点 大洋洲的地理位置和众多岛屿分布,三类不同岛屿的成因,澳大利业的自然条件与经济发展特征;南极洲的地理位置,酷寒、多暴风雪的自然环境和丰富的自然资源,科学考察、研究的宝地;区时的计算,日界线的意义;保护地球环境。 2.本单元应理解的知识难点 三类岛屿的特点和成因;澳大利亚呈半环状分布的气候、植被、自然带的成因;南极气候的特征及其成因;区
I. Knowledge points 1. Knowledge points that must be mastered in this unit The geographical location of Oceania and the distribution of many islands, the causes of the three different types of islands, the natural conditions and economic development characteristics of Australasia, the geographical location of Antarctica, the cold and stormy The natural environment and abundant natural resources, scientific investigation, research treasures; calculation of the time zone, the meaning of the date line; and the protection of the global environment. 2. Knowledge difficulties to be understood in this module: Characteristics and causes of the three types of islands; Australia’s semi-circular climate, vegetation, natural belts; Antarctic climate characteristics and causes;