单项选择题

New data has ______ that the damage to the ozone layer is not confined to the southern hemi- sphere.

A．ratified
B．confirmed
C．assured
D．approved
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单项选择题
City officials am considering building a path to give the public ______ to the site.
A．recreation
B．excess
C．excursion
D．access
单项选择题
There was nothing we could do ______ wait.
A．or rather
B．but rather
C．rather than
D．other than
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