A-A+
The first______in 1814 marked the beginning of
问题详情
The first______in 1814 marked the beginning of a new stage of the Industrial Revolution when the newly-built railways began to replace canals as the most important means of transport.
A．steam engine
B．spinning-Jenny
C．spinning Mule
D．steam locomotive请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
1814年第一辆蒸汽机车的出现标志着铁路将取代运河成为最重要的交通运输手段。
