分析 地震过后的搜救工作往往会遇到很多问题,幸存者在哪儿?怎样判断残垣断壁下是否还有生命的存在?我们知道有生命探测仪,有搜救犬,你听说过搜救鼠吗?令人厌恶的老鼠在探测生命迹象的时候却具有更多的优势,本文意在介绍搜救鼠独特的优势.
解答 21.答案:B 推理判断题.根据第二段最后两句"But dogs are big and they can't get into small spaces.So now a new research project is using a smaller animal to save lives:the rat."可知,地震救援中,让老鼠钻入狭小空间中去探测幸存者的位置.
22.答案:C 推理判断题.根据第三段第四句中:"This is sent to a small radio on its back,and then the rescuers follow the radio signals.When the rat's brain activity jumps,the rescuers know that someone is alive.The rat has smelled that person."可知.
23.答案:C 细节理解题.根据第四段中"…Robots'noses don't work well when there are other smells around.Rats are good at that."可知,当周围有别的气味的时候,机器人的嗅觉就失效了.
24.答案:A 细节理解题.根据第二段最后两句:"But dogs are big and they can't get into small spaces.So now a new research project is using a smaller animal to save lives:the rat."可知D项为其优点,不符合题意.根据第四段最后一句"They are cheaper and quicker to train than dogs,and unlike robots,they don't need electricity!"可知B、C两项为其优点,不符合题意.文章最后一段提到将老鼠用于救援这个想法太奇妙了,并不是说老鼠比其他动物奇妙,故A项符合题意.
25.D 推理题.根据文章最后一句Perhaps for the first time in history,people will be happy to see a rat in a building (but only after an earthquake,of course).说明现在还没有投入使用,是将来的事情,故使用将来时.故D正确.
点评 文章介绍了在救援方面使用老鼠的优势.本文主要考查了细节题,注要求考生注重综合语言能力的运用,结合语境,做出准确的判断.
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