______ suggests to learn a foreign language directly as we learn native language A: Second language acquisition B: Foreign language acquisition C: First language acquisition D: Third language acquisition

Until quite recently ___ was really the main player in the area of first language acquisition.

（） is the acquisition of material and services from other companies.

SCADA（Supervisory Control And Data Acquisition）即（）。

We should ____________(acquisition) more firsthand information.

Which of the following best describes first language acquisition?

Children are born with knowledge of the basic grammatical relations and categories, so it means that the biological basis is the only requirement for the first language acquisition.

This book ______ more attention to the problem of cultural interference in second language acquisition. A: cares for B: allows for C: applies for D: calls for

语言获得装置（language acquisition device简称LAD)

Language acquisition is the conscious learning of a language through standard education