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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单项选择题
The author of the article was, no doubt ______.
A．a linguist
B．an essayist
C．a scientist
D．an attorney
单项选择题
The main purpose of this passage is to ______.
A．prove that different people have different definitions of culture
B．inform that variations exist as far as a culture is concerned
C．indicate that culture is closely connected with social classes
D．show that the idea that the poor constitute a separate culture is an absurdity
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