【单选题】Parents of wailing (哀号) babies, take comfort: You are not alone. Chimpanzee babies fuss. Sea gull chicks squawk. Burying beetle larvae tap their parents' legs. Throughout the animal kingdom, babies kn...
【简答题】A) Unborn babies can remember sounds. B) Unborn babies learn how to smile. C) Unborn babies can learn to connect with people. D) Unborn babies are active to learn things.
【单选题】Babies' Response For some time in the past it has been widely accepted that babies -- and other creatures -- learn to do things because certain acts lead to 'rewards';and there is no reason to doubt t...