单项选择题

A．Family phone numbers.
B．Phone numbers of government services.
C．Phone numbers of businesses.
D．Phone numbers of professional services.
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单项选择题
In recent years, there has been a marked increase in the number of technical terms in the terminology of
A．farming.
B．sports
C．government
D．fishery
单项选择题
Special words used in technical discussion ______.
A．never last long
B．are considered artificial language speech
C．should be confined to scientific fields
D．may become part of common speech
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