劳动号子，简称（），是产生并应用于劳动之中，具有协调与指挥劳动的实际功用的民间歌曲。
参考答案：“号子”
History tells us that in ancient Babylon, the cradle of civilization, the people tried to build a tower that would reach heaven.
A．center of civilization
B．place where civilization started
C．place where civilization was yet to emerge
D．the earliest period of civilization
（）时期，创新进一步集中于能源、交通、钢铁、化工等新的大型制造领域。
A、工业革命
B、电气和石化产业革命
C、十月革命
D、二战
