【简答题】How many human languages are there in the world?
【判断题】Human languages are derived from the natural sounds around and are thus onomatopoeic in nature. [2.1.2]
【判断题】Human languages are qualitatively different from animal communication systems.
【简答题】So far as we can tell, all human languages are equally complete and perfect as instruments of communication: that is, every language appears to be well equipped as any other 【B1】______ to say the thin...