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【題目】讀六大板塊示意圖，回答問題。

(1)寫出圖中字母所表示的板塊名稱

A. 板塊； B. 板塊；

C. 板塊； D. 板塊；

(2)六大板塊中，幾乎全部是海洋的是 板塊。

(3)現代測量表明，目前地中海的面積在不斷縮小，其自然原因是( )

A.歐亞板塊與非洲板塊發(fā)生碰撞擠壓 B.該地區(qū)近年蒸發(fā)旺盛，海水明顯減少

C.南歐臨海國家大量圍海造陸 D.地中海的地殼在不斷下沉

經科學測量，顯示喜馬拉雅山脈現在還在不斷長高，就喜馬拉雅山脈的形成原因，請你用板塊構造學說加以解釋：

【答案】（1）美洲； 南極洲；印度洋； 非洲；

（2）太平洋

（3）A

（4）歐亞板塊與印度洋板塊發(fā)生碰撞擠壓

【解析】（1）由圖可知，圖中Ａ是以美洲為中心的美洲板塊，Ｂ是以南極洲為中心的南極洲板塊，Ｃ是以印度洋為中心的印度洋板塊，Ｄ是以非洲為中心的非洲板塊。

（2）六大板塊中，幾乎全部是海洋的是太平洋板塊。

（3）地中海在不斷縮小，是由于這里處于歐亞板塊與非洲板塊之間的擠壓碰撞處。

（4）喜馬拉雅山在不斷長高的原因是由于這里處于歐亞板塊與印度洋板塊的擠壓碰撞處。

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