题目内容

【题目】2014年第15号台风“海鸥”于9月16日在广东湛江市沿海登陆。某人为判断其带来的降水造成的洪水淹没土地面积，收集到9月16日、18日两幅遥感影像，通过初步目视对比，可以初步判断广东的受灾面积。据此完成下列各题。

【1】在这两幅遥感影像中，呈网状分布的地物可能是( )

①道路 ②河流水渠 ③农田 ④桥梁

A．②③ B．①③C．②④ D．①②

【2】利用卫星进行监测的缺点是( )

A．覆盖范围小 B．机动性差 C．分辨率太低，超过50米 D．连续性差

【答案】

【1】D

【2】B

【解析】

试题分析：

【1】9月16日、18日两幅遥感影像，在这两幅遥感影像中，呈网状分布的地物可能是道路和河流水渠，所以D正确。

【2】利用卫星进行监测，覆盖范围大，分辨率高、连续性好，但是机动性差，所以B正确。

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