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【简答题】
允许若干个作业同时装入主存储器,使一个中央处理器轮流地执行各个作业,各作业可以同时使用各自所需的外围设备,提高资源利用率,但作业执行时用户不能直接干预的操作系统是 。
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【简答题】mother needed help. So I helped them going to 82
【简答题】机动车辆保险的特点有哪些?
【单选题】'To help out' means 'to volunteer' or to give help where it ? [ ]
A.
need
B.
to need
C.
is needed
【简答题】The media can often help solve problems and _____ attention to situations ______ help is needed. A．take; which B．draw; where C．pay; that D．draw; /
【简答题】汽车保险的特点有哪些?
【单选题】The media can often help solve problems and draw attention _____situations ________help is needed.
A.
in; that
B.
to; which
C.
in; where
D.
to; where
【简答题】Sometimes a doctor is needed to help the child lessen the anxiety in such ways as ______.
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