七、词句猜测——词义猜测题(2017·江苏,B)Beforebirth,babiescantellthedifferencebetweenloudsoundsandvoices
Theycanevendistinguishtheirmother’svoicefromthatofafemalestranger
Butwhenitcomestoembryoniclearning(胎教),birdscouldruletheroost
AsrecentlyreportedinTheAuk:OrnithologicalAdvances,somemotherbirdsmayteachtheiryoungtosingevenbeforetheyhatch(孵化).New-bornchickscanthenimitatetheirmom’scallwithinafewdaysofenteringtheworld
Thiseducationalmethodwasfirstobservedin2012bySoniaKleindorfer,abiologistatFlindersUniversityinSouthAustralia,andhercolleagues
FemaleAustraliansuperbfairywrenswerefoundtorepeatonesoundoverandoveragainwhilehatchingtheireggs
Whentheeggswerehatched,thebabybirdsmadethesimilarchirptotheirmothers—asoundthatservedastheirregular“feedme
Tofindoutifthespecialqualitywasmorewidespreadinbirds,theresea