【题目】珠穆朗玛峰海拔8844米，死海海拔－400米，两地相对高度是（ ）
A.8844米B.9244米
C.12844米D.2108米
【答案】B
【解析】
海拔(绝对高度)：地面某个地点高出海平面的垂直距离。地形：地表各种各样的形态、形状的总称。等高线：在地图上，把海拔高度相同的各点连接成的线。等高线之间互相平行，距离(即等高距、高差、相对高度)相等。等高距：等高线之间的距离(只能是相对高度)。同一图上的等高距是一个常数。等深线：在地图上，把海洋深度相同的各点连接成的线。等高线地形图：用等高线表示地面高低起伏的地图。分层设色地形图：彩色分层设色地形图上，绿色表示平原，黄绿色表示丘陵或山地，黄色或褐色表示高原，蓝色表示海洋。
相对高度是指任意两点之间的垂直距离，珠穆朗玛峰海拔8844米，死海海拔－400米，所以两地相对高度是9244米=8844米-（－400米）；故选:B 。
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