Question

【题目】Kids don’t learn their native language , but they become fluent in them within a few years.

A．consciously

B．effectively

C．carefully

D．naturally

Answer 1

【答案】A

【解析】句意：孩子们无意识地学习母语，但几年之后，他们说得很流利。consciously

有意识地；effectively有效地；carefully小心地；naturally自然地。