单项选择题

What can be inferred from the information about railroads in 1849 in the last paragraph

A．They were being planned but had not yet been built.
B．They were seriously underdeveloped.
C．They had begun to compete with the Erie Canal for traffic.
D．They were weakened by the expansion of the canal.

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单项选择题

Wiry does the author most likely mention George Washington in the first paragraph

A．He was President at the time the Erie Canal was built.
B．He was involved in pioneering efforts to build canals.
C．He successfully opened the first canal in the United States.
D．He commissioned engineers to study the possibility of building the Erie Canal.

单项选择题

According to the passage, one practice became too costly because ______.

A．it was found that champagne was cheaper than other wine
B．the cup was thrown away
C．prohibition ended and the tradition of using champagne returned
D．whiskey and brandy were used without water