In an experiment at Johns Hopkins University in USA, both of the experiment group and the ______ had 16 nine-month-old babies.
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What is the accurate statement about the pull of the sun on the earth
According to experts in the 19S0s and 1960s, language learning is the same as the training of animals.
Baby talk is the words and sentences spoken by young babies.
It is generally accepted that humans have an ability to learn language from the time of their birth.