单项选择题

Automation threatens mankind with an increased number of ______ hours.

A．useless
B．active
C．complex
D．idle
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单项选择题
He became quite overbearing and domineering once he had become accustomed to the ______ shown to soldiers by the natives. He enjoyed his new sense of power.
A．ability
B．domesticity
C．deference
D．insolence
单项选择题
The Trojan War proved to the Greeks that cunning and ______ were often more effective than military, might.
A．artifice
B．strength
C．wisdom
D．beauty
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