四级听口晨读训练DAY5各位小伙伴，课前记得查阅听力原文中的生词读音和意思哦！2017.6（一）PassageTwo1.Dogs,man’sbestfriends,haveaclearstrategyfordealingwithangryowners—theylookaway.2.Newresearchshowsthatdogslimittheireyecontactwithangryhumans.3.Thescientistssuggestthismaybeanattempttocalmhumansdown.4.Thisbehaviormayhaveevolvedasdogsgraduallylearnedtheycouldbenefitfromavoidingconflictswithhumans.5.Toconductthetests,theUniversityofHelsinkiresearcherstrained31dogstorestinfrontofavideoscreen.6.Facialphotosofdogsandhumansweredisplayedonthescreenfor1.5seconds.7.Theyshowedthreatening,pleasantandneutralexpressions.8.Nearbycamerastrackedthedogs’eyemovements.9.Dogsinthestudylookedmostattheeyesofhumansandotherdogstosensetheiremotions.10.Whendogslookedattheexpressionsofangrydogs,theireyesrestedmoreonthemouth,perhapstointerpretthethreateningexpressions.11.Andwhenlookingatangryhumans,theytendedtoturnawaytheirgaze.
