寻根 话题阅读课件-高三英语一轮复习

Meetingyourancestors

NewEvidenceSuggestHumanAncestorBuriedDeadwithFlowersNeanderthalsmayhaveburiedandhonoredtheirdead,anewstudysuggests.Theearlyhumanancestorsmayhaveevenusedflowersinburials.ScientistsrecentlyannouncedtheirdiscoveryinthepublicationAntiquity.ThescientistsfoundthebonesofanadultinShanidarCave,intheKurdistanareaofnorthernIraq.TheNeanderthal,calledShanidarZ,isbelievedtohavelivedupto70,000yearsago.Theindividualwaspossiblyinhisorher40sor50s.Scientistsdonotyetknowthesexoftheindividual.

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Thecavewheretheboneswerefoundisalreadyfamousinarchaeology.In1960,archaeologistRalphSoleckidiscoveredtheremainsof10Neanderthals—sevenadultsandthreechildren.Atthetime,smallamountsofflowerpollenwerefoundinsoilaroundtheremains.ThediscoveryledSoleckitoproposethatNeanderthalsburiedtheirdeadandevenhadfuneralceremonieswithflowers.Criticslaterdoubtedthe"flowerburial"explanation.Theyarguedthatthepollencouldhavebeenmoderncontaminationfrompeople,animalsorinsects.ShanidarZ'sboneswerefoundinsoilcontainingancientpollenandplantremains,suggestingthepossibilityofflowerburials.Scientistsarenowfurtherexaminingthematerials.

ScholarshavearguedforyearsaboutwhetherNeanderthalsburiedtheirdeadwithfuneralceremonies.

ShanidarZappearstohavebeenplacedinanareacutintothesoil.Theareahasagroupoffourindividuals.Neanderthalsweremorestronglybuiltthanmodernhumans,orHomosapiens.TheylivedinEurasiafromabout400,000yearsagountilaround40,000yearsago.Theythendisappearedaftermodernhumansbecameestablished.Modernnon-AfricanhumanpopulationsarebelievedtocarrysmallamountsofNeanderthalgeneticmaterialknownasDNA.

StudySuggestsDinosaursMayhaveStartedasVerySmallCreaturesAnewstudyaddstogrowingevidencethatdinosaursmayhavedevelopedfromverysmallanimals.Scientistshavestudiedthefossilofasmallanimal,1.________(call)Kongonaphonkely,whichisbelievedtobeanancestorofthedinosaurs.Thenamegiventothereptile2.________(mean)"verysmallkillerofinsects".Thefour-leggedanimal3.________(believe)tohavebeenjust10centimeterstallandabout40centimeterslong.Researcherssayitlivedabout237millionyearsago4.________whatisnowMadagascar.ScientistsdescribedexaminationsofTopicPracticethefossilinarecentstudypublishedinProceedingsoftheNationalAcademyofSciences.Theresearchersbelievetheanimalcamebeforedinosaurs,5.________developedintheMesozoicEra.Itendedabout66millionyearsago.Thestudynotesthatmuchremainsunknownaboutthehistoryofdinosaursand6.________(they)wingedrelatives,pterosaurs.ScientistChristianKammereroftheNorthCarolinaMuseumofNaturalSciences,ledthestudy.KammerertoldReutersnewsagencythatbasedonthebodysizesuggestedbythefossil,"wearguethatdinosaursandpterosaursevolvedfromaminiaturizedancestor."ThescientistssaidtheKongonaphon's7.________(tooth)showedsignsofuseinawaythatsuggestedthesmallreptileateinsects.Theteam8.________(examine)thefossilalsofoundevidenceof"fuzzyskincoverings,"includingfeathers.Theresearcherssaidthefeathersmayhavedevelopedinthesmall-bodiedcreature9.________(help)controlbodytemperature.Thiswouldhavebeen10.________(especial)importantintheextremeclimateoftheearlypartoftheMesozoicEra.Thedayswerehot,thenights,cold.

StudySuggestsDinosaursMayhaveStartedasVerySmallCreaturesAnewstudyaddstogrowingevidencethatdinosaursmayhavedevelopedfromverysmallanimals.Scientistshavestudiedthefossilofasmallanimal,1.________(call)Kongonaphonkely,whichisbelievedtobeanancestorofthedinosaurs.Thenamegiventothereptile2.________(mean)"verysmallkillerofinsects".Thefour-leggedanimal3.________(believe)tohavebeenjust10centimeterstallandabout40centimeterslong.Researcherssayitlivedabout237millionyearsago4.________whatisnowMadagascar.ScientistsdescribedexaminationsofTopicPracticecalledmeansisbelievedinthefossilinarecentstudypublishedinProceedingsoftheNationalAcademyofSciences.Theresearchersbelievetheanimalcamebeforedinosaurs,5.________developedintheMesozoicEra.Itendedabout66millionyearsago.Thestudynotesthatmuchremainsunknownaboutthehistoryofdinosaursand6.________(they)wingedrelatives,pterosaurs.ScientistChristianKammereroftheNorthCarolinaMuseumofNaturalSciences,ledthestudy.KammerertoldReutersnewsagencythatbasedonthebodysizesuggestedbythefossil,"wearguethatdinosaursandpterosaursevolvedfromaminiaturizedancestor."ThescientistswhichtheirsaidtheKongonaphon's7.________(tooth)showedsignsofuseinawaythatsuggestedthesmallreptileateinsects.Theteam8.________(examine)thefossilalsofoundevidenceof"fuzzyskincoverings,"includingfeathers.Theresearcherssaidthefeat