【題目】讀圖，回答下列問(wèn)題。

（1）寫出圖中字母所代表的山脈名稱。
A；B；C；D。
（2）我國(guó)是一個(gè)多山的國(guó)家，山地面積約占全國(guó)總面積的 ， 平原面積僅占多一點(diǎn)。
（3）C代表的山脈以北是我國(guó)地勢(shì)第級(jí)階梯，以南是我國(guó)地勢(shì)第階梯。
（4）我國(guó)的地西東 ， 便于海上濕潤(rùn)氣流深入內(nèi)陸，形成降水，有利于生產(chǎn)。

【答案】
（1）阿爾泰山；昆侖山；祁連山；秦嶺
（2）33%；12%
（3）二；一
（4）高；低；農(nóng)業(yè)
【解析】本題主要考查我國(guó)山脈的分布。解：（1）從圖中山脈的走向和位置判斷，A是阿爾泰山，B是昆侖山，C是祁連山，D是秦嶺；（2）我國(guó)也是一個(gè)多山的國(guó)家，山地面積約占全國(guó)總面積的33%，平原面積占全國(guó)總面積的12%；（3）從圖中看出，C是祁連山，以北位于我國(guó)地勢(shì)第二級(jí)階梯，以南位于我國(guó)地勢(shì)第一階梯；（4）我國(guó)的地西高東低，呈階梯狀分布，這種地勢(shì)便于海上濕潤(rùn)氣流深入內(nèi)陸，形成降水，有利于農(nóng)業(yè)生產(chǎn)。所以答案是：（1）阿爾泰山；昆侖山；祁連山；秦嶺；（2）33%；12%；（3）二；一；（4）高；低；農(nóng)業(yè)。

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