阅读理解。Dogswag(摇摆)theirtailsindi-查字典问答网
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来自罗均平的问题

  阅读理解。Dogswag(摇摆)theirtailsindifferentdirectionsdependingonwhethertheyareexcitedandwantingtomoveforwardorthreatenedandthinkingofmovingbackastudyhasfound.ResearchersinItalyexaminedthe

  阅读理解。

  Dogswag(摇摆)theirtailsindifferentdirectionsdependingonwhethertheyareexcitedandwanting

  tomoveforwardorthreatenedandthinkingofmovingbackastudyhasfound.

  ResearchersinItalyexaminedthetailwaggingbehaviorof30dogscatchingtheirresponsestoarange

  ofstimuli(刺激物)withvideocameras.Toconductthestudytheychose15maledogsand15femaleones

  agedbetweenoneandsixyears.Thedogswereallfamilypetswhoseownershadallowedthemtotakepart

  intheexperimentatBariUniversity.Thedogswereplacedinalargewoodenboxwithanopeningatthefront

  toallowforthemtoviewvariousstimuli.Theyweretestedoneatatime.

  TheresearchersledbyProfessorGiorgioVallortigaraoftheUniversityofTriestefoundthatwhenthe

  dogswereshowntheirowners-apositiveexperience-theirtailswaggedenergeticallytotherightside.When

  theywereshownanunfamiliarhumantheywaggedtotherightbutwithsomewhatlessenthusiasm.The

  appearsofacatagaincausedaright-handsidewagalthoughwithlessintensityagain.Theappearanceofa

  largeunfamiliardogsimilartoaGermanshepherdchangedthedirectionoftailwaggingtotheleft.Research

  erssupposedthedogwasthinkingofmovingback.Whenthedogswerenotshownanystimulitheytended

  towagtheirtailstotheleftsuggestingtheypreferredcompany.Whilethechangesinthetailwaggingwere

  noteasilynoticedwithouttheaidofvideoitwasthoughtthatthefindingscouldhelppeoplejudgethemood

  (心情)ofdogs.Computerandvideosystemsforexamplecouldbeusedbyprofessionaldogtrainersto

  determinethemoodofdogsthattheywererequiredtoapproach.

  1.Thevideocameraswereusedtocatchthedogs'responsesbecause_____.

  A.itwaseasiertocatchthedogs'responsechangesinthetailwagging

  B.thedogswereputinthewoodenboxesandtestedoneatatime.

  C.theyenabledthedogs'ownerstoknowabouttheirdogs'habit

  D.thedogswaggedtheirtailsindifferentdirectionswhentheywereindifferentmoods

  2.Theunderlinedword"intensity"inthepassagemeans_____.

  A.sur

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2020-05-02 15:12
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姜庆汶

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2020-05-02 15:14:57

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