单项选择题

College students in this city have set up "the Cleaner Air Society" to help urban citizens become aware of the to our environment.

A．conditions
B．situations
C．dangers
D．threats
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单项选择题
Pubs have fanciful names like The Red Lion or The Pig and Whistle and they often have picutre on a signboard outside to ______ the name.
A．justify
B．illustrate
C．modify
D．clarify
单项选择题
The library published a colletion of books recently made ______ to the public.
A．acceptable
B．accessible
C．accommodable
D．accountable
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