一道简单英语阅读理解,
Cananimalsbemadetoworkforus?Somescientiststhinkthatonedayanimalsmaybetrainedtodoanumberofsimplejobsthatarenowdonebyhumanbeings.
Theypointputthatatacircus,forexample,wemayseeelephants,monkeys,dogsandotheranimalsdoingquiteskillfulthings.Perhapsyouhaveseenthemonthetelevisionorinafilm.Ifyouwatchclosely,youmaynoticethatthetraineralwaysgivestheanimalapieceofcandyorapieceoffruitasareward.Thescientistssaythatmanydifferentanimalsmaybetrainedtodoanumberofsimplejobsiftheyknowtheywillgetarewardfordoingthem.
Ofcourse,asweknow,dogscanbeusedtoguardahouse,andsoldiersinbotholdandmoderntimeshaveusedgeesetogivewarningbymakingalotofnoisewhenastrangeroranenemycomesnear.Butitmaybepossibletotrainanimalstoworkinfactories.InRussian,forexample,pigeons,whicharebirdswithgoodeyesight,arebeingusedtowatchoutforfaultsinsmallsteelballsthatarebeingmadeinonefactory.Whenthepigeonseesaballwhichlooksdifferentfromothers,ittouchesasteelplatewithitsbeak.Thisturnsonalighttowarnpeopleinthefactory.Atthesametimeafewseedsaregivenasareward.Ittakesthreetofiveweekstotrainapigeontothisandonepigeoncaninspect3,000to4,000ballsanhour.
ApeshavebeenusedinAmericainhelpingtomakecars,andscientistsbelievethattheselargemonkeysmaybeonedaygathercropsandevendrivetrains.
1、Whatmadescientiststhinkanimalscanbemadetoworkforusoneday?
单选题
A.A.Animalsareveryskillfulatacircus.
B.B.Theyarebigandstrong.
C.C.Someanimalsareascleverashumanbeings.
D.D.Animalscanbetrainedbecausetheyliketogetsomethingasareward
2、Thetrainerusuallygivestheanimalapieceofcandyorfruit____________.
单选题
A.A.whenitishungry
B.B.beforeitplaysatrick
C.C.whenitstartstoplayatrick
D.D.afterithasdonethetrick
3、The"reward"inthepassagemeans________.
单选题
A.A.anhonourgivenfordoingsomething
B.B.moneypaidfordoingsomething
C.C.attentionpaidtogoodconduct
D.D.somethinggiven