People thinking about the origin of language for the first time usually arrive at the conclusion that it developed gradually as a system of grunts, hisses and cries and (1)_______a very simple affair in the beginning. (2)_______, when we observe the language behaviour of (3)_______we regard as primitive cultures, we find it (4)_______complicateD、It was believed that anEskimo must have at the tip of his tongue a vocabulary of more than 10,000 words (5)_______to get along reasonably well, much larger than the active vocabulary of an average businessman who speaksEnglish. (6)_____, theseEskimo words are far more highly inflected (词尾变化的) than (7)_______of any of the well-knownEuropean languages, for a (8)_______noun can be spoken or written in (9)_______hundred different forms, each (10)_______ a precise meaning different from that of any other. The forms of the verbs are even more (11)_______. TheEskimo language is, therefore, one of the most difficult in the world to learn, (12)_______the result that almost no traders or explorers have (13)______tried to learn it.Consequently, there has grown up, in communication betweenEskimos and whites, a jargon (14)_______to the pidginEnglish used in OldChina, with a vocabulary of from 300 to 600 uninflected words. Most of them are derived fromEskimo but some are derived fromEnglish,Danish, Spanish, Hawaiian and other languages. It is this jargon that is usually (15)_______by travellers as "theEskimo language".