What are the major distinctions between langue and parole?

“It is raining hard” is a one-place predication sentence.

ethnic dialect

Describe the process of language perception，comprehension and production.

The fact that different languages have different words for the same object is good proof that human language is （）.

All words may be said to contain a root morpheme.

registers

In English, “pill” and “bill” are （）.

As modern linguistics aims to describe and analyze the language people actually use, and not to lay down rules for "correct" linguistic behavior,it is said to be （）.

What essentially distinguishes semantics and pragmatics is whether in the study of meaning （）is considered.