SportsshoesthatworkoutwhethertheirownerhasdoneenoughexercisetowarranttimeinfrontofthetelevisionhavebeendevisedintheUK.Theshoes—namedSquareEyes—containanelectronicpressuresensorandatinycomputerchipto

　　SportsshoesthatworkoutwhethertheirownerhasdoneenoughexercisetowarranttimeinfrontofthetelevisionhavebeendevisedintheUK.

　　Theshoes—namedSquareEyes—containanelectronicpressuresensorandatinycomputerchiptorecordhowmanystepsthewearerhastakeninaday.Awirelesstransmitter(传话器)passestheinformationtoareceiverconnectedtoatelevision,andthisdecideshowmucheveningviewingtimethewearerdeserves,basedontheday’sefforts.

　　ThedesignwasinspiredbyadesiretofightagainsttherapidlyballooningwaistlinesamongBritishteenagers,saysGillianSwan,whodevelopedSquareEyesasafinalyeardesignprojectatBrunelUniversitytoLondon,UK.“Welookedatcurrentissuesandchildhoodoverweightreallystoodout,”shesays.“AndIwantedtotacklethatwithmydesign.”

　　Onceachildhasuseduptheirdailyallowancegainedthroughexercise,thetelevisionautomaticallyswitchesoff.AndfurthertimeinfrontoftheTVcanonlybeearnedthroughmoresteps.

　　Swancalculatedhowexerciseshouldtranslatetotelevisiontimeusingtherecommendeddailyamountsofboth.Healthexpertssuggestthatachildtake12,000stepseachdayandwatchnomorethantwohoursoftelevision.So,every100stepsrecordedbytheSquareEyesshoesequalspreciselyoneminuteofTVtime.

　　Existingpedometers（计步器）normallyclipontoabeltorslipintoapocketandkeepcountofstepsbymeasuringsuddenmovement.Swansaysthesecanbeeasilytrickedintorecordingstepsthroughshaking.Buthershoehasbeenbuilttobeharderforlazyteenagerstocheat.“Itispossible,butitwouldbealotofeffort,”shesays.“Thatwasoneofmymaindesignconsiderations.”

　　小题1:AccordingtoSwan,thepurposeofherdesignprojectisto________.A．keeparecordofthestepsofthewearerB．dealwithoverweightamongteenagersC．enablechildrentoresistthetemptationofTVD．preventchildrenfrombeingtrickedbyTVprograms小题2:WhichofthefollowingistrueofSquareEyesshoes?A．Theyregulateachild’seveningTVviewingtime.B．Theydetermineachild’sdailypocketmoney.C．Theyhaveraisedthehotissu