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【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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