题目内容
(请给出正确答案)
[主观题]
What do they finally decide to do?A.To see a film.B.To watch a new play.C.To go to a dance
What do they finally decide to do?
A.To see a film.
B.To watch a new play.
C.To go to a dance party.
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What do they finally decide to do?
A.To see a film.
B.To watch a new play.
C.To go to a dance party.
第9题
A.信号量初始化后,只能实施P、V原语操作
B.在互斥信号量与同步信号量都使用的进程中,应先执行同步信号量的P操作
C.在互斥信号量与同步信号量都使用的进程中,应先执行同步信号量的V操作
D.信号量的初值不能小于0
E.互斥信号量的变化范围只能是正整数
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