______movesonascaleofthenationallanguage,dialects,andindividualwaysofcommunication.
C
言语的变异总是以国语、方言以及不同的个体交际语言等形式来进行。从社会语言学的角度来看，一种言语变体无非是一种语言的方言变体而已。
Well-arrangedsentencesareconsideredgrammaticalsentencesthatareformedfollowingasetofsyntacticrules.
ModernEnglishwordsman,woman,child,eat,fight,etc,originatefrom______.
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.