【題目】下列說(shuō)法正確的是( )

A. 紅海正在不斷縮小,幾千萬(wàn)年后將會(huì)消失

B. 地中海在不斷擴(kuò)張,幾千萬(wàn)年后將會(huì)成為新海洋

C. 由于印度洋板塊不斷擠壓亞歐板塊,因而珠穆朗瑪峰還在不斷升高

D. 地球的“傷疤”—東非大裂谷在不斷隆起,這條“傷疤”將會(huì)從地球上消失

【答案】C

【解析】

根據(jù)地球表層不是整體一塊,而是由板塊拼合而成。全球大致劃分為六大板塊,各大板塊處于不斷地運(yùn)動(dòng)中。一般來(lái)說(shuō),板塊內(nèi)部地殼比較穩(wěn)定,板塊交界地帶,地殼比較活躍,多火山和地震。板塊和板塊之間運(yùn)動(dòng)頻繁,但力的方向不同。板塊發(fā)生張裂運(yùn)動(dòng)時(shí),其運(yùn)動(dòng)方向相反,板塊之間的距離不斷擴(kuò)張,形成海洋或裂谷;板塊發(fā)生擠壓運(yùn)動(dòng)時(shí),其方向是相向運(yùn)動(dòng),板塊之間的距離縮小,地表還會(huì)不斷隆起,形成山脈,進(jìn)行分析解答。

紅海位于非洲板塊與印度洋板塊的張裂拉伸處,其面積逐漸擴(kuò)大,故A錯(cuò)誤;

地中海位于歐亞板塊與非洲板塊的碰撞擠壓處,其面積逐漸縮小,幾千萬(wàn)年后將會(huì)消失,故B錯(cuò)誤;

珠穆朗瑪峰位于印度洋板塊與歐亞板塊的碰撞擠壓處,其海拔逐漸升高,故C正確;

東非大裂谷位于板塊的張裂拉伸處,不會(huì)在地球上消失,故D錯(cuò)誤。

故選:C。

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