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The writer sees education as______.
A. a means of providing job security and financial security and a means of meeting a country's demands for technical workers
B. a way to broaden one's horizons
C. more important than finding a job
D. an opportunity that everyone should have
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某单道批处理系统中有四个作 JOBl、JOB2、JOB3、JOB4，它们到达“输入井”的时刻和所需要的运行时间如下表所示。作业 进入系统时间 估计运行时间(分钟)JOB1 8：30 80JOB2 8：50 20JOB3 9：20 40JOB4 9：30 35假设9：30开始作业调度，按照最高响应比作业优先算法，首先被调度的作业是______。A．JOB1B．JOB2C．JOB3D．JOB4
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