__________ in a person's speech, or writing, usually ranges on a continuum from casual to formal according to the type of communicative context.

A. Stylistic variation
B. Ideolectal variation
C. Social variation
D. Regional variation

Idioms are _________.

A. sentences
B. naming units
C. phrases
D. communication units

The relationship between "human body" and "face/ nose" is hyponymy.

A. 对
B. 错

Pairs of words that exhibit the reversal of a relationship of the two items are said to be relational opposites.

A. 对
B. 错

Hyponymy is a matter of class membership, so it is the same as meronymy.

A. 对
B. 错

Two sentences using the same words may mean quite differently.

A. 对
B. 错

Conceptualists maintain that there is no direct link between linguistic form and what it refers to. This view can be seen by the Semantic triangle.

A. 对
B. 错

Identify the relations between the following pairs of sentences:A: Tom's wife is pregnant.B: Tom has a wife.

Identify the relations between the following pairs of sentences:A: 他是单身汉。B: 他终身未娶。

Identify the relations between the following pairs of sentences:A. She likes flowers.B: She likes peony.