Universal Grammar refers to the principles and properties that pertain to the grammars of all human languages.（对外经贸2005研)

单项选择题As a new approach to the study of language and mind, popular linguistics began to appear in the 1970s and has been increasingly active since 1980s.

单项选择题Metonymy involves using the familiar to stand for the unfamiliar.（对外经贸2005研)