单项选择题

Some minerals are quite common, others are regionally _________, and still others are rare on the earth.

A．attributed
B．distributed
C．contributed
D．scattered
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单项选择题
It was believed that his death _________ with the robbery of the bank downtown.
A．accompanied
B．coincided
C．correlated
D．conformed
单项选择题
While both plans were perfectly sensible, only one seemed _________ in China's particular situation.
A．available
B．feasible
C．resolvable
D．presumable
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