The generative linguist is interested not only in ______ language but also in explaining language. In other words, they attempt to find the what as well as the why in the study of language.

对劳动保护用品使用，职工必须做到的“三会”是（）

A、会检查可靠性

B、会正确使用

C、会维护保养

D、会修理

E、监督检查