Rats and other animals need to be highly

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问题 Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals form robotic rats.They housed eight adult rats with two types of robotic rat-one social and one asocial一for 5 our days.The robots rats were quite minimalist,resembling a chunkier version of a computer mouse with wheels-to move around and colorful markings.During the experiment,the social robot rat followed the living rats around,played with the same toys,and opened caged doors to let trapped rats escape.Meanwhile,the asocial robot simply moved forwards and backwards and side to side Next,the researchers trapped the robots in cages and gave the rats the opportunity to release them by pressing a lever.Across 18 trials each,the living rats were 52 percent more likely on average to set the social robot free than the asocial one.This suggests that the rats perceived the social robot as a genuine social being.They may have bonded more with the social robot because it displayed behaviours like communal exploring and playing.This could lead to the rats better remembering having freed it earlier,and wanting the robot to return the favour when they get trapped,says Quinn.The readiness of the rats to befriend the social robot was surprising given its minimal design.The robot was the same size as a regular rat but resembled a simple plastic box on wheels.“We'd assumed we'd have to give it a moving head and tail,facial features,and put a scene on it to make it smell like a real rat,but that wasn’t necessary,”says Janet Wiles at the University of Queensland in Australia,who helped with the research.The finding shows how sensitive rats are to social cues,even when they come from basic robots.Similarly,children tend to treat robots as if they are fellow beings,even when they display only simple social signals.“We humans seem to be fascinated by robots,and it turns out other animals are too,”says Wiles.Quin and her colleagues conducted a test to see if rats can________A.pickup social signals from non-living ratsB.distinguish a friendly rat from a hostile oneC.attain sociable traits through special trainingD.send out warning messages to their fellow

选项 A.pickup social signals from non-living rats
B.distinguish a friendly rat from a hostile one
C.attain sociable traits through special training
D.send out warning messages to their fellow

答案 A

解析本题目为细节题，考察具体细节。根据题干关键词Quinn and her colleagues和a test定位到第一段第二句。To find out if this extends to non-living beings,Loleh Quinn at the University of California,San Diego,and her colleagues tested whether rats can detect social signals from robotic rats.为了查明这是否延伸到了非生物，Quinn和她的同事测试了老鼠能否从机器老鼠身上探测到社会信号。正确答案A是原文的同义替换。选项B的distinguish a friendly rat from a hostile one区分友好的老鼠和敌对的老鼠，并未提及，是常识性干扰。选项C的attain sociable traits through special training通过特殊训练获得社交品质，原文并未提及，属于无中生有。选项D的send out warning messages to their fellow向它们的同伴发出警告信息，原文并未提及，属于无中生有。

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本试题收录于：英语二研究生题库研究生入学分类

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Rats and other animals need to be highly

英语二研究生

研究生入学