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【单选题】
中断判优逻辑和总线仲裁类似,下列说法正确的是( )。 I.在总线仲裁,独立请求方式响应时间最快,是以增加控制线数为代价的 II.在总线仲裁计数器定时查询方式,若每次计数都从0开始,则所有设备使用的总线的优先级相等 III.总线仲裁方式一般是指v0设备争用总线的判优方式,而中断判优方式一般是指I/O设备争用CPU的判优方式 IV.中断判优逻辑既可以通过硬件实现,也可以通过软件实现A.
I、III
B.
I、III、IV
C.
I、II、IV
D.
I、IV
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【单选题】Which sentenc is correct?
A.
HSB Bank has tried its best to return its credit card operation to profit.
B.
HSB Bank has tried its best to return its credit card operation to profitability.
【单选题】(真题2011-S93) 患者,男,63岁,因下肢不适6个月来院就诊,被诊断为下肢静脉曲张,护士最有可能观察到的临床表现是
A.
皮肤溃疡
B.
足部水肿
C.
下肢酸胀乏力
D.
下肢静脉迂曲、隆起
E.
足部皮肤苍白、发冷、肌肉萎缩
【单选题】The sentenc e “ _____ ” does not belong to the T en Commandments .
A.
Thou shalt not kill
B.
Neither shalt thou commit adultery
C.
Neither shalt thou steal
D.
Ne ith er shalt thou lie
【单选题】D The National Gallery Description: The National Gallery is the British national art museum built on the north side of Trafalgar Square in London. It houses a diverse collection of more than 2,300 exa...
A.
The 13th.
B.
The 17th.
C.
The 18th.
D.
The 20th.
【简答题】The National Gallery Description： The National Gallery is the British national art museum built on the north side of Trafalgar Square in London.It houses a diverse collection of more than 2,300 exampl...
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