RecordingsofangrybeesareenoughtosendbigtoughAfricanelephantsrunningawayanewstudysays.Beehives(蜂窝)-eitherrecordedorreal-mayevenpreventelephantsfromdamagingfarmer'scrops.In2002scientistLucyKingandhert
RecordingsofangrybeesareenoughtosendbigtoughAfricanelephantsrunningawayanewstudysays.Beehives(蜂窝)-eitherrecordedorreal-mayevenpreventelephantsfromdamagingfarmer'scrops.
In2002scientistLucyKingandherteamfoundthatelephantsavoidcertaintreeswithbeeslivinginthem.Today LucywantstoseeifAfricanhoneybeesmightdiscourageelephantsfromeatingcrops.Butbeforesheaskedfarmertogotothetroubleofsettingupbeehivesontheirfarmssheneededtofindoutifthebeeswouldscareelephantsaway.
LucyfoundawildbeehiveinsideatreeinnorthernKenyaandsetuparecorder.Thenshethrewastoneintothebeehivewhichburstintolife.Lucyandherassistanthidintheircaruntiltheangrybeeshadcalmeddown.Next,LucysearchedoutelephantfamiliesinSamburuNationalReserveinnorthernKenyaandputaspeakerinaclosetoeachfamily.
FromadistanceLucyswitchedonthepre-recordedsoundofangrybeeswhileatthesametimerecordingtheelephantswithavideocamera.Halftheelephantgroupslefttheareawithintenseconds.Outofatotalof17groupsonlyonegroupignoredthesoundoftheangrybees.Lucyreportedthatalltheyoungelephantsimmediatelyrantotheirmotherstohideunderthem.WhenLucyPlayedthesoundofawaterfall(瀑布)insteadoftheangrybeestomanyofthesameelephantfamiliestheanimalswereundisturbed.Evenafterfourminutesmostofthegroupsstayedinoneplace.
Lucyisnowstudyingwhethertheelephantswillcontinuetoavoidthesoundofangrybeesafterhearingitseveraltimes.Shehasn'ttestedenoughgroupsyettoknowbutherinitial(最初的)resultswerepromisingenoughtobegintrialswithfarmers.Shehasnowbegunplacingspeakersinthefieldstoseeifelephantsarefrightenedaway.
小题1:Weknowfromthepassagethatelephantsmaybefrightenedof .A.loudnoisesB.somecropsC.videocamerasD.angrybees小题2:AsmentionedinthepassageLucyA.worksbyherselfinAfricaB.needstotestmoreelephantgroupsC.hasstoppedelephantseatingcropsD.hasgotfarmerstosetupbeehivesontheirfarms小题3