【題目】讀“某地等高線圖”,回答問題.

(1)寫出圖中序號所代表的地形部位名稱:①____;②_____;③____;④_____。

(2)乙山頂與A地的相對高度是_______米.

(3)甲山頂在乙山頂?shù)腳________方向.

(4)從A地或B地出發(fā),更容易攀登到乙山頂?shù)氖莀___地,原因是_____。

【答案】(1)山頂;鞍部;山谷;陡崖; (2)460 (3)西南 (4)A;因為此處等高線比較稀疏,坡度較緩

【解析】整體分析:該題以讀“某地等高線圖”為切入點,考查的是等高線地形圖的判讀,要求學(xué)生較強(qiáng)的讀圖分析問題的能力.

(1)讀圖可知,是等高線閉合且等高線數(shù)值中間高四周低則為山頂;是兩山頂之間相對低洼的部位為鞍部;是等高線向海拔高處凸為山谷;等高線重合的地方為陡崖。

(2)讀圖可知,乙山頂?shù)暮0螢?60米,A地的海拔為100米,乙山頂與A地的相對高度是兩地的海拔之差,即560米-100米=460米。

(3)該圖帶有指向標(biāo),要根據(jù)指向標(biāo)來判斷,箭頭指的方向為北方,平移指向標(biāo)到乙山頂可以判斷出甲山頂在乙山頂?shù)奈髂戏较颉?/span>

(4)讀圖可知,從A地或B地出發(fā),更容易攀登到乙山頂?shù)氖茿地;原因是因為此處等高線比較稀疏,坡度較緩

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