首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
Scientists in Belgium spent months building robotic versions of the dreaded vermin and then let them loose in a community of rea
Scientists in Belgium spent months building robotic versions of the dreaded vermin and then let them loose in a community of rea
admin
2015-04-10
27
问题
Scientists in Belgium spent months building robotic versions of the dreaded vermin and then let them loose in a community of real roaches. The robots not only blended in with their biological cousins, they acted as agents for the scientists, influencing the roach community’s collective decisions to search for the best resting location. The ultimate goal of the research is to figure out how the simple behavior of individuals gives rise to a complex collective decision. The principle, called emergence, is fundamental to life. What is the relationship between each bee’s individual motion and the hive’s overall success? How do millions of brain cells give rise to thought? The roach is a good launching point toward these big questions because its social system is simple enough for scientists to study mathematically.
The first step was to build robots that real roaches would accept as their own. Although the robotic bugs don’t look much like the real thing, they act like them in two key ways: they naturally head toward dark areas and are influenced by the presence of other cockroaches. And more important, they smell like roaches. They
emit
the same molecules that roaches use to identify their kin, giving the robots a unique roach smell. "We could see the cockroaches accepting the robot when it had the right scents, touching and climbing on it," says Jose Halloy, a professor of life sciences.
The next step was getting the robotic and biological roaches to cooperate on common tasks. In experiments, the robots would collectively head toward a dark shelter, mimicking the nighttime behavior of natural cockroaches. That got the researchers wondering: if you program the robot-roaches to make an inappropriate decision and head toward the lighted shelter, would the real cockroaches follow, going against their natural instincts?
Many of the biological roaches reduced their natural tendency to prefer dark places and followed the collective to a lighter shelter. But influence turned out to be a two-way street. On occasion, the real roaches were able to override the programming of their machine counterparts and get them to scurry into dark hiding places. Being social creatures, both the robotic and natural roaches were paying attention to and following after the example set by others. Theoretically it would be possible to create a robot that could influence collective decision-making in humans. To do this, researchers would have to invent a robot that people would accept. Fortunately, robot technology isn’t there yet.
What does the word "emit"(Line 4, Paragraph 2)probably mean?
选项
A、give out
B、turn out
C、figure out
D、set out
答案
A
解析
第二段第四行的emit一词的意思可能是什么?[A]散发[B]最终成为[C]弄清楚[D]出发从And more important,they smell like roaches.这句话可知,下旬中的emit应为“散发”之意。四个选项中只有give out有此意。turn out意为“最终成为”;figureout意为“弄清楚”;set out意为“出发”。
转载请注明原文地址:https://kaotiyun.com/show/KJ74777K
0
考研英语一
相关试题推荐
Energywillbeoneofthedefiningissuesofthiscentury.Onethingisclear:theeraofeasyoilisover.Whatwealldonext
Concreteisprobablyusedmorewidelythananyothersubstanceexceptwater,yetitremainslargelyunappreciated."Somepeople
SirRichardFriendisatoughmantotrackdown.PhonecallstohistwolabsatCambridgeUniversitygounanswered,andsodoe-
WhyisEnglishsodifficult?ItisoftenthoughtthatthenumberofwordsintheEnglishlanguageisamajorreason,butthisis
Britainhasoneofthebiggestonlineeconomies.Itsresearchersinventedboththewebandthecomputer.IthastheEnglishlang
Britainhasoneofthebiggestonlineeconomies.Itsresearchersinventedboththewebandthecomputer.IthastheEnglishlang
ScientistsDiscoveredofWaterontheMoonOverthepastyear,scientistshavefoundmoreandmoreconvincingevidencethat
ThewordRenaissancehasoflateyearsreceivedamoreextendedsignificancethanthatwhichisimpliedinourEnglishequivalen
Wherecultureisconcerned,inMadridvarietyreigns.Withmodernartcenters【B1】______fromdiscardedfactoriesandtraditional
随机试题
简述社会主义核心价值观的基本内容。
LiuXiangsetstheWorld110mHurdlesrecordinLausanne.Lausanne,Switzerland—China’sOlympicchamp/onLiuXiang【21】the
A.四环素B.甲硝唑C.螺旋霉素D.罗红霉素E.环孢素与骨组织亲和力大的药物是
案情:2007年12月26日,某省发改委批准在该省甲市乙区设立丙公司,经营煤炭发运业务,并向丙公司颁发了《煤炭经营许可证》和《煤炭发运许可证》。乙区政府以当地早已存在煤炭发运公司为由,认为省发改委批准丙公司在当地经营煤炭发运业务,严重干扰了当地的经济秩序,
进度控制的方法有()。
私人银行业务是商业银行业务“金字塔”的塔尖。()
以下选项中,应计入主营业务成本的有()。
心理过程是人脑能动地反映客观事物的过程,它包括()
奸淫男童的行为构成()
如图3-2,连续函数y=f(x)在区间[-3,一2],[2,3]上的图形分别是直径为1的上、下半圆周,在区间[一2,0],[0,2]上的图形分别是直径为2的上、下半圆周,设F(x)=∫0xf(t)dt,则下列结论正确的是().
最新回复
(
0
)