Usually there is a speed of 30 km/h in towns or villages. A．level B．standard C．l
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Usually there is a speed ________ of 30 km/h in towns or villages.
A．level B．standard
C．limit D．degree
试题答案
C
题意：通常在城镇或乡村的时速限制为每小时30公里。a speed limit“时速限制”符合题意。