单项选择题

Because of a recent obstacle in production, sales have dropped and accordingly profits have ______.

A．declined
B．increased
C．broken
D．promoted
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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
单项选择题
Since Japan ______ importance to education and technological innovation, its economy has developed at a high speed.
A．relates
B．applies
C．attaches
D．connects
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