单项选择题

Consumer groups have complained that the existing two-company system has led to nearly ______ prices and plans.

A．parallel
B．vertical
C．identical
D．specific
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单项选择题
We ______ that we will meet a certain amount of resistance to our short-term plan.
A．monitor
B．manifest
C．articulate
D．anticipate
单项选择题
Many birds are injured when trying to ______ wings with large gaps in the clip.
A．slapped
B．scratched
C．flapped
D．fluctuated
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