单项选择题

A pervasive negative attitude of the engineers toward projects funded by his company is the cause of the delay of signing the contract.

A．perpetual
B．pernicious
C．preventive
D．prevalent
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单项选择题
The judge remained sober despite the lawyer's ludicrous attempt to prove the defendant's innocence.
A．sad
B．sorry
C．serious
D．surprised
单项选择题
Many people in Wales have an affinity with music.
A．reputation for
B．solubility in
C．tincture in
D．attraction to
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