Insomesciencefictionmoviesevilrobotsrefusetodienomatterhowhardpeoplefightback.Nowsciencefictionhasbecomesciencefact.Forthefirsttimescientistshavemadearobotthatcantakeabeatingandkeepongo
Insomesciencefictionmoviesevilrobotsrefusetodienomatterhowhardpeoplefightback.
Nowsciencefictionhasbecomesciencefact.Forthefirsttimescientistshavemadearobotthatcantakeabeatingandkeepongoing.ScientistsfromCornellUniversitymadetherobotwhichlookslikeaspiderwithfourlegs.
Untilnoweventhemostadvanced(先进的)robotwasalmostcertaintobreakdownwhenitwasdamaged(毁坏).Thatisbecauseitscomputerinsidesimplydoesn’tknowhowtomakethemachineworkafteritsshapehaschanged.
Todealwiththisproblemthescientistsputeightmotors(发动机)andtwosensors(传感器)thatreadhowthemachineisworking.Theyallgivesignalstothemachine’ssoftware.Usingthisinformationthecomputercanthenfigureoutthemachine’sshapeatanymoment.
Thenewtechnologyisabigadvanceinrobot-makingscientistssayandit’sfarfromscary.Itmaysomedayhelpscientistscreatebetterartificial(假的)armsandlegsandgivenewfreedomtopeoplewholosethem.Itmightalsohelpscientistsunderstandhowpeopleandanimalsfigureouttheirownsenseofplaceinspace.
“Ithasbeendifficulttodesignrobotsthatcanworkwellwhentheenvironmentchangesorwhenit’sdamaged”saysOlafSpornsofIndianaUniversityinUS.“Withthisworkwearenearertosolvingthisproblem.”
1.Whydorobotseasilybreakdownwhentheyaredamaged?
A.Theycannotrepairthemselves.
B.Thecomputerhaschangedalot.
C.Theyhavenocomputersinside.
D.Thecomputercannotworkiftherobotchanges.
2.Thenewtechnology(技术)allowstherobotto .
A.keepworkingafterbeingdamaged
B.tellpeoplewhereitis
C.dohouseworkforhumans
D.rememberalotofinformation
3.Theunderlinedword“them”inParagraph5refersto .
A.sensors B.robots C.scientists D.armsandlegs
4.Howdothesensorsintherobotwork?
A.Theycanreplacethecomputerwhenit’sbroken.
B.Theyhelpthecomputerlearntherobot’scondition.
C.Theycanfindoutwherethedamagecomesfrom.
D.Theycansendsignalstothepersonwhousestherobot.