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    【题目】下列现象属于沧海桑田变化的是（ ）
    ①在喜马拉雅山发现海洋生物化石 ②在台湾海峡的底部发现森林
    ③在南极地区发现煤田 ④地中海的面积不断缩小，最终将消失
    A.①②③
    B.①②④
    C.②③④
    D.①③④

    【答案】A
    【解析】“沧海桑田”是指海陆变迁的地表现象。在喜马拉雅山上发现海洋生物化石，说明喜马拉雅山区曾经是海洋，属于沧海桑田现象；在台湾海峡的水底发现有森林遗迹，说明台湾海峡曾经是陆地，属于沧海桑田现象；在南极地区发现煤田，说明南极在煤炭形成的地质年代应该是温暖湿润的气候,能生长高大植物,这些茂密的森林被埋在地下经地质作用形成了煤田,后随大陆漂移至现在的位置属于沧海桑田现象；地中海的面积不断缩小，最终将消失，说明板块在不断地运动，不属于沧海桑田现象，故选：A

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