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1、上外2011研究生翻译硕士专业回忆翻译英语基础：第一大题：完型，无选项，无首字母，15空，2分一个，讲得大概是人类祖先并非起源于非洲，而是可能从亚洲迁移而来的.EvolutionIntoAfrica–thehumanancestorsfromAsiaThehumanfamilytreemaynothavetakenrootinAfricaafterall,claimscientists,afterfindingthatitsancestorsmayhavetravelledfromAsia.ByRichardAlleyne,ScienceCorrespond
2、ent7:00PMBST27Oct2010WhileitiswidelyacceptedthatmanevolvedinAfrica,infactitsimmediatepredecessorsmayhave1colonisedthecontinentafterdevelopingelsewhere,thestudysays.Theclaimsaremadeafterateam2unearthedthefossilsofanthropoids–theprimategroupthatincludeshumans,apesandmonkeys–inLibya's
3、DurAt-Talah.Paleontologistsfoundthat3amongstthe39millionyearoldfossilstherewerethreedistinctfamiliesofanthropoidprimates,allofwhomlivedinthe4areaatapproximatelythesametime.FeworanyanthropoidsareknowntohaveexistedinAfricaduringthis5period,knownastheEoceneepoch.Thiscouldeithersuggest
4、ahugegapinAfrica'sfossilrecord–6unlikely,saythescientists,giventheamountofarchaeologicalworkundertakeninthearea–7orthatthespecies"colonised"Africafromanothercontinentatthistime.Astheevolutionintothreespecieswouldhave8takenextremelengthsoftime,combinedwiththelackoffossilrecordsinAfr
5、ica,theteamconcludesthatAsiawasthemostlikely9origin.WritinginthejournalNature,theexpertssaidtheybelievedmigrationfromAsiatobethemost10plausibletheory.ChristopherBeard,oftheCarnegieMuseumofNaturalHistoryinPittsburgh,said:"11Ifourideasarecorrect,thisearlycolonisationofAfricabyanthrop
6、oidswasatruly12pivotalevent—oneofthekeypointsinourevolutionaryhistory."Atthetime,Africawasanislandcontinent;whenthese13anthropoidsappeared,therewasnothingonthatislandthatcouldcompetewiththem."Itledtoaperiodofflourishingevolutionarydivergenceamongstanthropoids,andoneofthoselineages1
7、4resultedinhumans."IfourearlyanthropoidancestorshadnotsucceededinmigratingfromAsiatoAfrica,wesimply15wouldn'texist."Headded:"ThisextraordinarynewfossilsiteinLibyashowsusthatinthemiddleEocene,39millionyearsago,therewasasurprisingdiversityofanthropoidslivinginAfrica,whereasfewifanyan
8、thropoidsareknownfromAfric
