单项选择题

According to the passage, a complete conversion can take______.

A．several months.
B．about a year.
C．half a year.
D．several years.
<上一题 目录 下一题>
热门 试题

单项选择题
In they become so enthralled… (Para 3), enthralled here means
A．shocked
B．fascinated
C．puzzled
D．uncertain
单项选择题
The author seems to feel that most companies______.
A．will be on computers within five years.
B．lose money whenever the computers go down.
C．have trouble making the conversion to computers.
D．do not save money by using the computer.
相关试题