According to the ways antonyms differ, how many groups can we classify antonyms into?

acculturation

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

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

registers

Only when a maxim under Cooperative Principle is blatantly violated and the hearer knows that it is being violated, do conversational implicatures arise.

“John killed Bill but Bill didn’t die” is a (n) （）.

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

Give the description of the following sound segments in English.[k];[z];[w];[u:];[i]

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 （）.