2015河北省高邑县高考英语阅读理解一轮查漏补缺练习（1）及答案（2012上海市浦东新区高三第三次模拟）阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。AnewargumenthasbeenputforwardastowhetherpenguinsaredisturbedbythepresenceoftouristsinAntarctica.PreviousresearchbyscientistsfromKeilUniversityinGermanymonitoredAdeliepenguinsandnotedthatthebirds’heartratesincreaseddramaticallyatthesightofahumanasfaras30metersaway.Butnewresearchusinganartificialegg,whichisequippedtomeasureheartrates,disputesthis.ScientistsfromtheScottPolarResearchInstituteatCambridgesaythataslowmovinghumanwhodoesnotapproachthenesttooclosely,isnotviewedasathreatbypenguins.Theearlierfindingshavebeenusedtopartlyexplainthe20percentdropinpopulationsofcertaintypesofpenguinsneartouristsites.However,touroperatorshavecontinuedtoinsistthattheiractivitiesdonotadverselyaffectwildlifeinAntarctica,sayingtheyencouragenon-disruptivebehaviorintourists,andthatthedeclineinpenguinnumbersiscausedbyotherfactors.AmandaNimonoftheScottPolarResearchInstitutespentthreesouthernhemispheresummersatCuvervilleIslandinAntarcticastudyingpenguinbehaviortowardshumans.“Anestingpenguinwillreactverydifferentlytoapersonrapidlyandcloselyapproachingthenest,”saysNimon.“Firsttheyexhibitlargeandprolongedheartratechangesandthentheyoftenfleethenestleavingitopenforpredators(掠夺者)toflyinandremoveeggsorchicks.”Theartificialegg,speciallyfortheproject,monitoredboththeparentwhohadbeen‘disturbed’whentheeggwasplacedinthenestandtheotherparentastheybothtookitinturnstoguardthenest.However,BorisCulik,whomonitoredtheAdeliepenguins,believesthatNimon’sfindingsdonotinvalidatehisownresearch.Hepointsoutthatspeciesbehavedifferently–andNimon’sworkwaswithGentoopenguins.NimonandhercolleaguesbelievethatCulik’sresearchwasmethodologicallyflawedbecausethemonitoringofpenguins’responsesneededcapturingandrestrainingthebirdsandfittingthemwithbeart-ratetransmitters.Therefore,arguesNimon,itwouldnotbesurprisingiftheybecamestressedonseeingahumansubsequently.1.Accordingtothepassage,whatoverallmessageispresented?A.Nofirmconclusionsaredr