【題目】珠穆朗瑪峰海拔8844米，死海海拔－400米，兩地相對高度是（ ）

A.8844米B.9244米

C.12844米D.2108米

【答案】B

【解析】

海拔(絕對高度)：地面某個地點(diǎn)高出海平面的垂直距離。地形：地表各種各樣的形態(tài)、形狀的總稱。等高線：在地圖上，把海拔高度相同的各點(diǎn)連接成的線。等高線之間互相平行，距離(即等高距、高差、相對高度)相等。等高距：等高線之間的距離(只能是相對高度)。同一圖上的等高距是一個常數(shù)。等深線：在地圖上，把海洋深度相同的各點(diǎn)連接成的線。等高線地形圖：用等高線表示地面高低起伏的地圖。分層設(shè)色地形圖：彩色分層設(shè)色地形圖上，綠色表示平原，黃綠色表示丘陵或山地，黃色或褐色表示高原，藍(lán)色表示海洋。

相對高度是指任意兩點(diǎn)之間的垂直距離，珠穆朗瑪峰海拔8844米，死海海拔－400米，所以兩地相對高度是9244米=8844米-（－400米）；故選:B 。

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