【正文】
ocial and personal relationships。 Origin of language 1. The bowwow theoryIn primitive times people imitated the sounds of the animal calls in the wild environment they lived and speech developed from that. 2. The poohpooh theoryIn the hard life of our primitive ancestors, they utter instinctive sounds of pains, anger and joy which gradually developed into language. 3. The “yoheho” theoryAs primitive people worked together, they produced some rhythmic grunts which gradually developed into chants and then into language. Functions of language As is proposed by Jacob