英 语 语 言 学(English Linguistics)作 业 封 皮授课教师:徐兴岭 院系:西语学院学生姓名:汪珍珠 (4班) 学号:2011061072上交时间:2014年4月26日牡 丹 江 师 范 学 院 Chapter 1Introduction to LinguisticsI. Define the following terms (50 points) 1. language:Language is a system of arbitrary vocal symbols used for human communication.2. arbitrariness:It refers to the fact that the forms of linguistic signs bear no natural relationship to their meaning. 3. duality:It meant prope