单项选择题

These samples have to be () in certain kind of chemical water in order to protect them.

A. immersed
B. crisped
C. armored
D. arrayed

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单项选择题

Part of the funds will be used to______that old library to its original splendor.

A. rest

B. recover
C. replace

D. restore

单项选择题

Home to______and gangsters, officials and laborers, refugees and artists, thecity was, in its prime, a metropolis that exhibited all the hues of the human character.

A. magnates

B. magnets
C. machines

D. magnitudes

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