单项选择题

A．Human beings make fewer errors.
B．Human beings do not have to be programmed.
C．Human beings work more quickly.
D．Human beings have to be programmed.
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单项选择题
A．He did quite well with it.B．He has money problem now.C．He is in need of qualified staff.D．He could not carry it on any more.
A．He did quite well with it.
B．He has money problem now.
C．He is in need of qualified staff.
D．He could not carry it on any more.
单项选择题
A．One second.B．Two years.C．One minute.D．A day.
A．One second.
B．Two years.
C．One minute.
D．A day.
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