【題目】材料分析題．

材料1：中國(guó)科學(xué)工作者在喜馬拉雅山考察時(shí)發(fā)現(xiàn)有魚、海螺、海藻等海洋生物的化石．

材料2：在我國(guó)東部海域的海底，人們發(fā)現(xiàn)了古河道及水井等人類活動(dòng)的遺跡．

材料3：歐洲的荷蘭是世界著名的“低地國(guó)”，全國(guó)1/4的陸地低于海平面，但是國(guó)土面積在過去的百年中不斷擴(kuò)大．

（1）材料1說明喜馬拉雅山區(qū)在地質(zhì)時(shí)期曾經(jīng)是__．造成這種海陸變遷的原因是__。

（2）材料2說明我國(guó)東部海底大陸架在地質(zhì)時(shí)期曾經(jīng)為__．造成這種海路變遷的原因是__。

（3）材料3說明__活動(dòng)可以引起海路變遷。

【答案】海洋 地殼運(yùn)動(dòng) 陸地 海平面上升 人類

【解析】

（1）材料1說明喜馬拉雅山區(qū)在地質(zhì)時(shí)期曾經(jīng)是海洋，造成這種海陸變遷的原因是地殼運(yùn)動(dòng)。

（2）材料2說明我國(guó)東部海底大陸架在地質(zhì)時(shí)期曾經(jīng)為陸地，造成這種海路變遷的原因是海平面上升。

（3）氣候、災(zāi)害和人類活動(dòng)，如暴雨沖刷、填海造陸等，也會(huì)引起海陸的變化；材料3說明人類活動(dòng)可以引起海陸變遷。

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