单项选择题

The full ______ of changes in computer technology will be felt within the next few years.

A．affect
B．impact
C．action
D．importance
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单项选择题
The search for the lost ship must be ______ because of poor weather.
A．released
B．resigned
C．abandoned
D．surrendered
单项选择题
The destruction of rainforests has been ______ as a disaster for the environment.
A．blamed
B．declared
C．condemned
D．appealed
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