[题目]2015年11月25日新华社驻外记者报道:执行对叙利亚境内极端组织实施军事打击的俄罗斯空军一架战机24日被土耳其空军战机击落.据此回答下列问题.[1]飞行员发出的呼救信号是( )A．手机通信信号 B．GPS信号 C．RS 信号 D．电视信号[2]全球定位系统在搜救中发挥了重要的作用.它可以帮助士兵完成下列哪项任务( )A．确定周边有多少敌人题目和参考答案——青夏教育精英家教网—

题目内容

【题目】2015年11月25日新华社驻外记者报道：执行对叙利亚境内极端组织实施军事打击的俄罗斯空军一架战机24日被土耳其空军战机击落。据此回答下列问题。

【1】飞行员发出的呼救信号是（）

A．手机通信信号 B．GPS信号 C．RS 信号 D．电视信号

【2】全球定位系统在搜救中发挥了重要的作用，它可以帮助士兵完成下列哪项任务（）

A．确定周边有多少敌人 B．确定自己所在的经纬度

C．确定敌人的武器装备 D．确定自己的武器装备

【答案】

【1】B

【2】B

【解析】

试题分析：

【1】飞行员发出的呼救信号是为了让控制塔发现其所处位置，以便展开救援，所以发出的信号为GPS信号，故选B。

【2】确定周边有多少敌人和敌人的武器装备需要用到RS技术，而全球定位系统主要通过经纬度，确定目标所处位置，故选B。

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