What is the talk mainly about？A．Overland transportation in the nineteenth century.B．Histor

What is the talk mainly about？

A．Overland transportation in the nineteenth century.

B．Historical aspects of mail delivery.

C．Vehicles currently in use by the postal service.

D．The invention of the railroad.

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

What is the news item mainly talking about？A．Negotiations between developing and industria

答案解析
What is the passage mainly talking about？A．The popularity of video－on－demand.B．The competi

答案解析
What does the passage mainly talk about？A．NASA is cooperating with private companies.B．The

答案解析
What is the passage mainly talking about？A．American children.B．American mother.C．American

答案解析
What is the speaker mainly talking about？A．The problem of global warming.B．The difficulty

答案解析
What is the speaker mainly talking about？A．Requirements for me homework.B．Preparations for

答案解析
What is the speaker mainly talking about？A．Requirements for the homework.B．Preparations fo

答案解析