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【题目】读图题(每空1分,共5分)

1)写出图中字母所表示的地形部位名称

C___________ D_______________E__________ _

2)在这幅图中,最高点的海拔至少在_______米以上。

3)如果要从AB两处爬山,则选择从_____处爬山要容易些。

【答案】

(1) 鞍部 山谷 陡崖

(2) 400

(3) B

【解析】

试题分析:

(1) 在等高线地形图上C位于两个山顶之间,是鞍部;D位于等高线弯曲且凸向高处,是山谷;E位于等高线重叠处,是陡崖。

(2) 观察可知,图中的等高距是100米,由此可判断两个山顶的海拔都在400米以上。

(3) 在等高线地图上坡陡的地方等高线密集,坡缓的地方,等高线稀疏。所以B处的等高线稀疏,坡度缓,比较容易爬山。

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