According to a structural view, what characteristics does langua

According to a structural view, what characteristics does language have?
【正确答案】：(1)ELEMENTS IN A LANGUAGE ARE PRODUCED IN A RULE-GOVERNED(STRUCTURED)WAY.(2)LANGUAGE SAMPLES COULD BE EXHAUSTIVELY DESCRIBED AT ANY STRUCTURAL LEVEL OF DESCRIPTION.(3)LANGUAGE IS STRUCTURED LIKE A PYRAMID,THAT IS ,LINGUISTIC LEVELS ARE SYSTEMS WITHIN SYSTEMS.