单项选择题

Medical researches ______ much of the rise in the incidence of lung cancer to the widespread use of cigarettes.

A．subscribe
B．ascribe
C．prescribe
D．acknowledge
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单项选择题
The school has been ______ as the meeting place for the evening art club.
A．designed
B．assigned
C．designated
D．registered
单项选择题
She gave me a smile that was an open admission of her ______ for our immediate superior.
A．bias
B．prejudice
C．contempt
D．disapprova
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