单项选择题

Librarians managed to develop systematic _________ to organize their collections in ways that provide users with convenient and logical access to materials.

A．procedures
B．processes
C．proceedings
D．propositions
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单项选择题
Elderly people, considered too _________ to do anything for themselves or others, are rapidly learning to become self-sufficient.
A．fabulous
B．feminine
C．finite
D．feeble
单项选择题
The striped band round the policeman's sleeve is to _________ that he is on duty.
A．magnify
B．proclaim
C．signify
D．exclaim
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