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【单选题】
在分时系统中,当用户数目为100时,为保证响应时间不超过2s,此时的时间片最大( )。A.
10ms；（2）20ms；（3）50 ms；（4）100ms；（5）200ms。
B.
20ms
C.
50 ms
D.
100ms
E.
200ms
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举一反三
【简答题】Keil Vision5集成开发环境中,编译时允许自动创建机器代码文件状态下,其默认文件名与 相同。
【简答题】The old man’s beard was glazed by winter’s frost while he waited for a ride across the river.
【简答题】When Jack (enter) the room, I (recognize, not) him because he (lose) so much weight and (grow) a beard. He looked totally different!
【简答题】The old priest ___________ his white beard as he listened.
【单选题】He was an old man with a white beard and huge nose and hands. Long before the time during which we will know him, he was a doctor and drove a jaded white horse from house to house through the streets ...
A.
eccentric
B.
normal
C.
enjoyable
D.
optimistic
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