Insomesciencefictionmoviesevilrobotsrefusetodienomatterhowhardpeoplefightback.Nowsciencefictionhasbecomesciencefact.Forthefirsttimescientistshavemadearobotthatcantakeabeating(挨打)
Insomesciencefictionmoviesevilrobotsrefusetodienomatterhowhardpeoplefightback.
Nowsciencefictionhasbecomesciencefact.Forthefirsttimescientistshavemadearobotthatcantakeabeating(挨打)andkeepongoing.ScientistsfromCornellUniversitymadetherobotwhichlookslikeaspiderwithfourlegs.
Untilnoweventhemostadvanced(先进的)robotwasalmostcertaintobreakdownwhenitwasdamaged.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.Thenewtechnologyallowstherobotto_________.
A.dohouseworkforhumans
B.keepworkingafterbeingdamaged
C.rememberalotofinformation
D.tellpeoplewhereitis
3.Theunderlinedword“them”inParagraph5refersto________.
A.sensorsB.robots
C.armsandlegsD.scientists
4.Howdothesensorsintherobotwork?
A.Theycanreplacethecomputerwhenit’sbroken.
B.Theycanfindoutwherethedamagecomesfrom.
C.Theyhelpthecomputerlearntherobot’scondition.
D.Theycansendsignalstothepersonwhousestherobot.