a new argument has been put forward as to whether penguins 阅读理解答案

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1、Anewargumenthasbeenputforwardastowhetherpenguins阅读理解答案　　AnewargumenthasbeenputforwardastowhetherpenguinsaredisturbedbythepresenceoftouristsinAntarctica.　　PreviousresearchbyscientistsfromKeilUniversityinGermanymonitoredAdeliepenguinsandnotedthatthebirds’hea

2、rtratesincreaseddramaticallyatthesightofahumanasfaras30metersaway.Butnewresearchusinganartificialegg,whichisequippedtomeasureheartrates,disputesthis.ScientistsfromtheScottPolarResearchInstituteatCambridgesaythataslowmovinghumanwhodoesnotapproachthenesttooc

3、losely,isnotviewedasathreatbypenguins.　　Theearlierfindingshavebeenusedtopartlyexplainthe20percentdropinpopulationsofcertaintypesofpenguinsneartouristsites.However,touroperatorshavecontinuedtoinsistthattheiractivitiesdonotadverselyaffectwildlifeinAntarctica

4、,sayingtheyencouragenon-disruptivebehaviorintourists,andthatthedeclineinpenguinnumbersiscausedbyotherfactors.　　AmandaNimonoftheScottPolarResearchInstitutespentthreesouthernhemispheresummersatCuvervilleIslandinAntarcticastudyingpenguinbehaviortowardshumans.

5、“Anestingpenguinwillreactverydifferentlytoapersonrapidlyandcloselyapproachingthenest,”saysNimon.“Firsttheyexhibitlargeandprolonged(延长)heartratechangesandthentheyoftenfleethenestleavingitopenforpredators(掠夺者)toflyinandremoveeggsorchicks.”Theartificialegg,sp

6、eciallyfortheproject,monitoredboththeparentwhohadbeen‘disturbed’whentheeggwasplacedinthenestandtheotherparentastheybothtookitinturnstoguardthenest.　　However,BorisCulik,whomonitoredtheAdeliepenguins,believesthatNimon’sfindingsdonotinvalidatehisownresearch.H

7、epointsoutthatspeciesbehavedifferently–andNimon’sworkwaswithGentoopenguins.NimonandhercolleaguesbelievethatCulik’sresearchwasmethodologicallyflawed（使无效）becausethemonitoringofpenguins’responsesneededcapturingandrestraining（控制）thebirdsandfittingthemwithheart

8、-ratetransmitters.Therefore,arguesNimon,itwouldnotbesurprisingiftheybecamestressedonseeingahumansubsequently.　　67.Accordingtothepassage,whatoverallmessageispresented?　　A.Nofirmconclusionsaredrawn.　　B.NeitherC