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    【题目】下列说法错误的是（ ）

    A.等高线上标注的高度是海拔

    B.等高线越稀疏，坡越陡；等高线越密，坡度越缓

    C.同一条等高线上海拔数值相等

    D.在分层设色地形图上，绿色表示平原

    【答案】B

    【解析】

    根据在等高线地形图上，等高线闭合且等高线数值中间高四周低则为山顶；两山顶之间相对低洼的部位为鞍部；等高线闭合且等高线数值中间低四周高则为盆地；等高线向海拔低处凸为山脊；等高线向海拔高处凸为山谷；几条海拔不同的等高线重合处为陡崖。等高线密集表示坡陡，等高线稀疏表示坡缓，进行分析解答。

    等高线上标注的高度是海拔，故A正确；

    等高线越稀疏，坡越缓；等高线越密，坡度越陡，故B错误；

    同一条等高线上海拔数值相等，故C正确；

    在分层设色地形图上，绿色表示平原，故D正确。

    故选：B。

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