Passage44:(翻译此篇)Modernanimals

Canyoumakeanimalsworkforus?Somescientists(科学家)thinkthatonedaywecanteachanimalstodoalotofthingsforthepeople.TheysaythatinafilmonTV,youmayseeelephants,monkeys,tigersorsomeotheranimalsarealwaysgivenalittlefoodtoeataftertheyhavedonesomething.Scientistssaythatpeoplecanteachmanydifferentanimalstodosomeoftheeasyworkiftheyknowtheywillgetsomethingtoeat.Weallknowelephantscancarrylargelogs(圆木),anddogscanlookafter(照看)houses.Andweeventeachanimalstoworkinfactories.InAmericaforexample(例如),peoplehaveusedapes(猿人)tohelpmakecars,andscientiststhinkthatthoselargemonkeysmaydrivetrainsoneday.Nowpeoplearetryingtogetthemtodothesamethingsthatmandoes.

222.x05Scientiststhinkanimalscanhelppeopletodosomething____.**a.iftheyknowtheywillgetfoodafterdoingsomethingb.becauseanimalsaresocleverc.iftheyknowtheworkiseasyenoughd.becausemostanimalsarefriendlytoman

223.x05____candosomeheavyworkbecausethey’resostrong.**a.Tigersb.Elephantsc.Monkeysd.Dogs

224.x05Asweknowdogscan____ourhouses.**a.buildb.cleanc.lookafterd.lookat

225.x05Scientistsareplanningtomakebigmonkeysto____.**a.maketrainsb.carrylogsc.drivetrainsd.workatschool

226.x05Ifweteachanimalscarefully,____.**a.someanimalscandothesamethingsasmandoesb.alltheanimalscandosomeworkforusc.manyanimalscandoalltheworkaswedod.wemaygetmanyanimalsworkwithoutgivingthemfood