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时间:2020-06-17
《2012年高考英语复习 命题预测及名师指导(3).doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、高考英语复习:2012年命题预测及名师指导(3)(2012年北京卷) Domestic(驯养的)horsesnowpullploughs,raceintheKentuckyDerby,andcarrypolice.Butearlyhorsesweren’ttame(驯服的)enoughtoperformthesekindsoftasks.Scientiststhinkthefirstinteractionshumanshadwithhorseswerefardifferentfromthosetoday
2、. Thousandsofyearsago,peoplekilledthewildhorsesthatlivedaroundthemforfood.Overtime,peoplebegantocatchtheanimalsandraisethem.Thiswasthefirststepindomestication. Aspeoplebegantotameandridehorses,theychosetokeepthoseanimalsthathadmoredesirablecharacteristi
3、cs.Forexample,peoplemayhavechosentokeephorsesthathadagentlepersonalitysotheycouldberiddenmoreeasily.Peoplewhousedhorsestopullheavyloadswouldhavechosentokeepstrongeranimals.Characteristicslikestrengtharepartlycontrolledbytheanimals’genes.Soasthedomesticate
4、dhorsesreproduced,theypassedthecharacteristicsontotheiryoung.Eachnewgenerationofhorseswouldshowmoreofthesechosencharacteristics. Modern-dayhorsebreedscomeinawidevarietyofshapesandsizes.Thisvarietydidn’texistinthehorsepopulationbeforedomestication.TheShet
5、landhorseisoneofthesmallestbreeds-typicallyreachingonlyonemetertall.Withshort,stronglegs,theanimalswerebredtopullcoaloutofmineshafts(矿井)withlowceilings.HugehorsesliketheClydesdalecameonthescenearound1700.Peoplebredtheseheavy,tallhorsestopulllargevehiclesu
6、sedforcarryingheavyloads. Thedomesticationofhorseshashadgreateffectsonsocieties.Forexample,horseswereimportanttoolsintheadvancementofmodernagriculture.Usingthemtopullploughsandcarryheavyloadsallowedpeopletofarmmoreefficiently.Beforetheywereabletoridehors
7、es,humanshadtocrosslandonfoot.Ridinghorsesallowedpeopletotravelfargreaterdistancesinmuchlesstime.Thatencouragedpopulationslivingindifferentareastointeractwithoneanother.Thenewformofrapidtransportationhelpedculturesspreadaroundtheworld. 59.Beforedomestica
8、tionhorseswere. A.caughtforsportsB.huntedforfood C.madetopullploughsD.usedtocarrypeople 60.TheauthorusestheShetlandhorseasanexampletoshow.4用心爱心专心 A.itissmallerthantheClydesdalehorse B.horsesusedtohavegentlepers
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