单项选择题

This is a new model of （） typewriter especially designed to meet the needs of traveling businessmen.

A．flexible
B．mobile
C．portable
D．active

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热门试题

单项选择题

Research shows that pupils who are good at math tend to be more conformist and （） than other pupils.

A．obscure
B．obvious
C．obedient
D．objective

单项选择题

Which of the following activities was the responsibility of the federal government in the nineteenth century（）

A．Control of the manufacture of gunpowder.
B．Determining the conditions under which individuals worked.
C．Regulation of the supply of money.
D．Inspection of new homes built on western lands.