【題目】讀下圖,完成題。

【1】該山峰最可能位于

A.橫斷山脈 B.秦嶺

C.天山 D.臺灣山脈

【2】造成不同坡向冰川面積差異的最主要因素是

A.降水 B.氣溫

C.光照 D.地勢

【3】造成不同坡向冰川面積變化的最主要原因是

A.降水減少 B.氣溫升高

C.風力增強 D.地殼運動

【答案】

【1】C

【2】A

【3】B

【解析】

試題分析:

【1】秦嶺、臺灣山脈位海拔較低,山頂沒有冰川分布,橫斷山脈地處我國西南地區(qū),盛行西南季風,南坡是迎風坡,冰川面積分布較大,圖示北坡冰川面積分布多,所以該山脈是天山,所以C正確。

【2】一般情況下山地迎風坡一側(cè)降水量大,冰川面積大,天山北坡有來自于北冰洋、大西洋的濕潤氣流進入,形成迎風坡,所以北部冰川面積大,所以A正確。

【3】地殼抬升與冰川面積變化無關,風力增強使冰川面積減少,但影響不大,圖示不同坡向冰川面積都在縮小,說明冰川在大量融化,最主要原因是氣溫升高,所以B正確。

【知識點】全球氣候變化對人類活動的影響

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