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 （）.

Describe the process of language perception，comprehension and production.

acculturation

The sentence structure is （）.

The semantic components of the word “gentleman” can be expressed as（）.

“The student” in the sentence “The student liked the linguistic lecture”, and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.” belong to the same syntactic category.

locutionary act

Of the three branches of phonetics, the longest established, and until recently the most highly developed, is（）phonetics.

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