单项选择题
A.Language acquisition is a process of habit formatio
B.Language acquisition is the species-specific property of human beings
C.Children are born with an innate ability to acquire language
D.Humans are equipped with the neural prerequisites for language and language use
单项选择题 Language and thought may be viewed as two independent circles overlapping in some parts. When language and thought are identical or closely parallel to each other， we may regard thought as “subvocal speech，” and speech as “（）”.
单项选择题 The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, （）, and kin term.
单项选择题 The term （） linguistics may be defined as a way of referring to the approach which studies language change over various periods of time and at various historical stages.