单项选择题

Mounting evidence indicates that acid rain is damaging historic sites in Boston and Philadelphia.

A．Hanging
B．Tentative
C．Increasing
D．Irrefutable
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单项选择题
The students will be notified regarding the college entrance examination.
A．condoned
B．deformed
C．emulated
D．informed
单项选择题
The nocturnal habits and mournful cries of owls have made them objects of superstition for some people.
A．strange
B．secret
C．frightful
D．sorrowful
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