胡壮麟语言学教程分章测试题一Chapter 1 Introductions to LinguisticsI.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. interrogative B. direc