判断题Field is related to how we communicate, through speech or writing.()
判断题Referential theory holds that a linguistic sign derives its meaning from that which refers to something in the reality.()
判断题Hyponymy is a relation of inclusion. Tiger, lion and dog are hyponyms of the word animal.()
判断题Age is not the learner factor that has been an issue in second language acquisition research.()
判断题Acreole is a mixed language which has become the mother tongue of a speech community.()