【題目】讀六大板塊示意圖，回答問(wèn)題。

(1)寫(xiě)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(xiàn)代測(cè)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(guó)家大量圍海造陸 D.地中海的地殼在不斷下沉

經(jīng)科學(xué)測(cè)量，顯示喜馬拉雅山脈現(xiàn)在還在不斷長(zhǎng)高，就喜馬拉雅山脈的形成原因，請(qǐng)你用板塊構(gòu)造學(xué)說(shuō)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(zhǎng)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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