单项选择题

They all think that the price of personal computers will soon plunge.

A．fall
B．leap
C．dip
D．sink
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单项选择题
Large-scale security forces were readied for action during the Pope’s visit to Wroclaw.
A．deployed
B．concentrated
C．employed
D．involved
单项选择题
A university is an educational institution which awards degrees and performs research.
A．carries out
B．carries away
C．carries off
D．carries through
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