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 purpose of this passage is to ______.
A．be entertaining
B．describe a phenomenon
C．argue a belief
D．propose a solution
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