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【单选题】
It may be concluded that______ .A.
computers can solve complex problems
B.
computers are new machines
C.
computer have been widely used by Americans
D.
computers are domestic robots
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举一反三
【单选题】Which function(s) is(are) performed by an operating system?
A.
Process management
B.
Device drivers
C.
Memory management
D.
File system
E.
All of the above
【简答题】我国现存最早的病因证候学专著,其作者是
【判断题】The steady-state output of a transfer function system can be obtained directly from the sinusoidal transfer function—that is, the transfer function in which s is replaced by -jω, where ω is frequency.
A.
正确
B.
错误
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