单项选择题


A．automation
B．mechanization
C．urbanization
D．revolution
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单项选择题
A．municipalB．federalC．suburbanD．rural
A．municipal
B．federal
C．suburban
D．rural
单项选择题
A．rather thanB．as well asC．but alsoD．whereas
A．rather than
B．as well as
C．but also
D．whereas
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