单项选择题
A.Thinking is a social phenomenon. B.Thinking is solely a brain function. C.Thinking is a function of the nervous system. D.Thinking is the sum total of bodily activity
A.Athletic and recreational. B.Food and transportation. C.Bookstore and post office. D.Medical and audio-visual (视听的).
A."high quality" B."concrete" C."utter" D."authentic"