Code-switching refers to the fact that a speaker changes from one language to the other in different situations or when talking about different topics.()

第1题

_______ our S/C No.301, we wish to say that the goods will be shipped by Oct.10.

A、With reference to

B、Refer to

C、Referring

D、With refer to

第2题

____ relations at the sentential level refer to construction whose components are linked through the use of conjunctions.

A、Hypotactic

B、Paratactic

C、Grammatical

D、Branching

第3题

Language can be used to refer to things real or imagined, past, present or future because it has the feature of interchangeability.()

Language can be used to refer to things real or imagined, past, present or future because it has the feature of interchangeability.（)

A、正确

B、错误