The interactionalist’s position is that language develops as a result of the complex（）between the uniquely human characteristics of the child and the environment in which the child develops.

填空题Mentalism holds that a human being possesses a mind which has consciousness, ideas, etc., and the mind can influence the（）of the body.

填空题According to the behaviorists, all learning takes place through（）.

填空题According to Skinner, language behavior can only be studied through observation of the（）factors.

填空题（）,is the study of how words combine to form sentences and the rules which govern the formation of sentences.

填空题According to the functionalists, language has three functions:（）,expressive, and social.