单项选择题

The major problems with America's railroad system in the mid 19th century lay in()

A．poor quality rails and unreliable stopping systems
B．lack of financial support for development
C．limited railroad lines
D．lack of a transcontinental railroad

<上一题目录下一题>

热门试题

单项选择题

What most likely made people think about a transcontinental railroad()

A．The possibility of government support for such a task.
B．The need to explore Utah.
C．The need to connect the east coast with the west.
D．The need to develop the railroad industry in the west.

单项选择题

The building of the first transcontinental system()

A．brought about a rapid growth of industry and farming in the west
B．attracted many visitors to the construction sites
C．attracted laborers from Europe
D．encouraged people to travel ail over the country