单项选择题

Mainstream economists profess much puzzlement over the failure of the rate of productivity growth to ______ so far in this decade.

A．accelerate
B．prevail
C．aggregate
D．precede
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单项选择题
The criminal was sentenced to prison for five years and was ______ of political rights for two years.
A．excluded
B．deprived
C．disabled
D．gripped
单项选择题
The company formulated a package of ______ for assessment of employees' performance.
A．thresholds
B．Partitions
C．warrants
D．criteria
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