单项选择题

There is no electricity again. Has the ______ blown then

A．fuse
B．plug
C．wire
D．circuit
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单项选择题
If prompt measures are. taken, we are sure that illiteracy in this region can be ______ in no time.
A．eliminated
B．abandoned
C．diminished
D．withdrawn
单项选择题
Advertising costs are no longer in reasonable ______ to total cost of the product.
A．relationship
B．match
C．measure
D．proportion
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