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