精选优质文档-倾情为你奉上胡壮麟语言学教程(修订版)测试题第一章:语言学导论I. Choose the best answer. (20%)1.Language is a system of arbitrary vocal symbols used for human _. A. contact B. communication C. relation D. community2.Which of the following words is entirely arbitrary? A. tree B. typewriter C. crash D. bang3.The function of the sentence “Water boils at 100 degrees Centigrade.” is _. A.