In modern linguistic studies, the written form of language is given more emphasis than the spoken form for a number of reasons.

单项选择题The sentence structure is （）.

A.only linear
B.only hierarchical
C.complex
D.both linear and hierarchical

单项选择题A sentence is a （） concept, and the meaning of a sentence is often studied in isolation.

A.pragmatic
B.grammatical
C.mental
D.conceptual

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

A.reference
B.speech  act
C.context
D.practical usage

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

A.entailment
B.presupposition
C.anomaly
D.contradiction

单项选择题The sentence “The baby smiled.” is a（）.

A.two-place predication
B.three-place predication
C.no-place predication
D.one-place predication