how do the world's only flying mammals communicate- researchers 阅读理解答案,

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1、Howdotheworld’sonlyflyingmammalscommunicate?Researchers阅读理解答案,　　Howdotheworld’sonlyflyingmammalscommunicate?Researchershaveobservedyoungbatsadoptingnew“dialects”simplybyhearingthemrepeatedly,makingthemoneofthefewanimalsknowntohaveacapacityforvocal(声音的)learning.“Thesebatsmayhelpu

2、sclarifytheevolutionofspeechacquisition(习得)skills,“saysYosefPrat,aPhDatTelAvivUniversity(TAU).　　Foroneyear,researchersraised14Egyptianfruitbatpupswiththeirmothersincon-trolledarea,exposingeachyoungbattotwodifferentvocalizations:thenaturalcallofitsmotherandaseparaterecordingthatv

3、ariedinpitch(音高)orfrequency.Theyfoundthatthepupsineachgroupdevelopedadialectliketherecording.“Thegeneralassumptioninthisfieldisthatmostanimalsdeveloptheirbornvocalizationsregardlessofwhattheyhear,andthathumanvocallearningabilitieshavedevelopedduringevolution,“saysMr.Prat.“Thefin

4、dingthatbatslearnthecommondialectintheirrestplacewasunusual.”　　Scientistsknowlittleabouttheoriginofspokenlanguage,whichisbelievedtohaveappearedinhumanswithinthepast500,000years.Dozensoftheoriesattempttoexplainthecomplexityofthisskillbutnonehavedonesoconclusively.　　”Studyingvocal

5、communicationandvocallearninginanimalmodelsisaveryusefulwaytoapproachtheproblem,”saysOlgaFeher,anassistantprofessorattheUniversityofWarwickinEngland.　　Butanimalvocalizationsandhumanspeechareverydifferentthings,saysJaminPelkey,aprofessoratRyersonUniversity.”Allspeciescommunicate.

6、Unlikeotheranimals,thoughhumanbeingsareabletousesoundpatternsforfunctionsthatarefarstranger-functionsthatareimaginative,theoretical,andcritical.Whenspeechisinvolvedinthesestrangerfunctions,thatiswhatwemeanbyspoken‘language’.”　　doyoungbatsacquiretheir“language”accordingtotheresea

7、rch?　　A.Flyingintheairslowly　　B.Hearingitagainandagain.　　C.Communicatingwithpartners.　　D.Repeatingitwiththeirmothers.　　33.Whatwasthegeneralviewaboutanimalvocalization?　　AMostanimalsarebornwithit.　　B.Itsprocesswasunusual.　　C.Itiseasierthanhumanspeech.　　D.Whatanimalshearddoesn’taf

8、fecttheirlearning.　　34.Whatdoestheunderlinedwor