单项选择题

Steady advances in digital memory technology are making mass-storage devices technologically ______ and increasingly cost-effective.

A．eligible
B．sustainable
C．probable
D．feasible
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单项选择题
Anti-hunt protestors stayed away from the meeting, preferring to show their support by way of a ______ of more than 5,500 signatures.
A．plea
B．petition
C．resort
D．reproach
单项选择题
Men think it would undermine their position at work to ______ from the usual schedule.
A．deviate
B．dispatch
C．detach
D．distort
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