[题目]热红外遥感影像亮度可反映地物表面温度.地物的表面温度越高.在影像中就越亮. 依据材料回答下列各题.[1]晴天正午时刻.下列地物在同一幅热红外遥感影像中最暗的是( )A．公路 B．菜园 C．湖泊 D．房屋[2]下列关于遥感的应用.说法正确的是( )A．预测火灾的发生地点 B．监测冰山的移动方向和速度C．评估农作物的长势和产题目和参考答案——青夏教育精英家教网—

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【题目】热红外遥感影像亮度可反映地物表面温度，地物的表面温度越高，在影像中就越亮。依据材料回答下列各题。

【1】晴天正午时刻，下列地物在同一幅热红外遥感影像中最暗的是（）

A．公路 B．菜园 C．湖泊 D．房屋

【2】下列关于遥感的应用，说法正确的是（）

A．预测火灾的发生地点 B．监测冰山的移动方向和速度

C．评估农作物的长势和产量 D．有效预防病虫害的发生

【答案】

【1】C

【2】B

【解析】

试题分析：

【1】根据地物的热力性质差异，晴天正午时刻，公路、菜园、房屋的温度较高，在影像中亮，A、B、D错。湖泊温度最低，在同一幅热红外遥感影像中最暗，C对。A、B、D错。

【2】遥感的应用，主要是通过拍摄遥感图像，监测冰山的移动方向和速度，B对。不能预测火灾的发生地点，A错。评估农作物的长势和产量用GIS技术，C错。能监测，但不能有效预防病虫害的发生，D错。

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