下列各组行星,均属类地行星的是(    ) A.金星、地球、火星    

下列各组行星,均属类地行星的是(    )

A.金星、地球、火星                          B.水星、木星、土星

C.地球、天王星、木星                       D.火星、水星、冥王星

答案

A


解析:

本题考查对八大行星按结构特征分类的掌握。按结构特征分类,水星、金星、地球、火星属于类地行星,具有质量小、体积小、密度比较大的共同特点。木星、土星属巨行星,具有体积和质量都很大,平均密度小等特点。天王星、海王星属远日行星,它们距太阳较远,体积和质量较巨行星小。较类地行星大,平均密度较小。

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