单项选择题

________ is of critical importance because it allows the grammar to generate an infinite number of sentences and sentences with infinite length.( )

A．Recursiveness
B．Phrase structure
C．Transformation
D．Movement
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单项选择题
Synonyms are classified into several kinds.The words such as start, begin, and commence can be called ________ synonyms.( )
A．dialectal
B．stylistic
C．emotive
D．collocational
单项选择题
________ phoneticians study speech sounds from the speaker’s point of view.They study the process of how a speaker uses his her speech organs to produce sounds.( )
A．Articulatory
B．Auditory
C．Acoustic
D．General
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