试题题干
（）are language varieties appropriate for use in particular speech situations, in contrast to language varieties that are associated with the social or regional grouping of their customary users.
参考答案
正确答案：
试题解析
语域是适合于特定语言场合使用的语言变体，与习惯性用户的社会或地域分组相关的语言变体相反。