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> 读我国1975--2007年湿地面积变化图，回答下面问题。小题1:对该时期我国湿地状况叙述正确的是 A．湿地总面积在不断增加 B．除人工湿地外，其它湿地面积都减少 C．河流湿地面积最大 D．人工湿地面积变化率最小小题2:能迅速搜集和分析湿地面积变化所运用的地理信息技术是 A．RS B．GPS C．GIS D．CNSS(北斗导航)

问题：

发布时间：2020-03-13

读我国1975--2007年湿地面积变化图，回答下面问题。

小题1:对该时期我国湿地状况叙述正确的是

A．湿地总面积在不断增加

B．除人工湿地外，其它湿地面积都减少

C．河流湿地面积最大

D．人工湿地面积变化率最小

小题2:能迅速搜集和分析湿地面积变化所运用的地理信息技术是

A．RS B．GPS

C．GIS D．CNSS(北斗导航)

参考答案：

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