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【简答题】
某银行的营业厅有多个柜员窗口，可以同时办理业务。银行的营业厅中安排有n张座椅供储户休息等候。每个储户在进入营业厅时会在排队机上取得一个号码，若此前没有客户，则排队机就会唤醒一个柜员为储户服务，当没有储户时柜员便可以休息。若储户较多，则所有柜员均会参与服务，当排队储户数超过柜员数时，没有被服务的储户便会在座椅上休息，并等候叫号。当座位满时，再进入营业厅的储户不再从排队机上获取号码，会离开去找另外的营业厅。若将银行的柜员和储户的行为看成是不同类型的进程，请设计一个程序，利用信号量来完成上述操作，用类C语言写出程序。
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【单选题】听力原文：F: I don't know what to do on Sunday. M: How about going to the concert? What does the man suggest the woman should do on Sunday?
A.
She should study at home.
B.
She should go to the zoo.
C.
She should go to the concert.
【单选题】听力原文：M: I have a chance to get another job and I don't know what to do. W: If it's a better job than you have now, take it. That's my advice. Q: What is the problem the man has? (18)
A.
He has to find a job.
B.
He doesn't know how to find a job.
C.
He wants to quit his job.
D.
He has to choose between two jobs.
【简答题】I don't know what to say. ( )
【简答题】人体触及带电体引起触电分为4种不同情况______、______、______、______。
【单选题】—I don't know what to bring to her birthday party, —Why not take some flowers. They are ____ the party. [ ]
A.
suitable for
B.
suitable of
C.
suit for
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