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【多选题】
设备故障诊断通常分为状态监测、分析诊断和治理预防三个阶段,其中分析诊断包括状态识别和诊断决策。下列各项中,属于分析诊断阶段工作内容的包括()。
A.
获得诊断决策的可靠依据—征兆
B.
将反映设备运行状态的征兆与故障状态参数进行比较,来识别设备是否存在故障
C.
找出故障产生的原因及发生的部位
D.
预测设备的性能和故障发展的趋势
E.
确定治理修正的方法
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【简答题】144~145 题共用题干: 男性,63岁,因前列腺增生,排尿困难,要求手术治疗。 第 144 题 在前列腺手术中,下述哪一种情况不是绝对手术指征( )。
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【单选题】The woman sitting next to me ________ very nervous, for she had never travelled by air.
A.
is
B.
has been
C.
was
D.
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【单选题】What does the author mean by saying'if horses could have voted, there never would have been cars' ?
A.
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【简答题】137~139 题共用题干: 男性,73岁,因间歇全程肉眼血尿1周,发作性腰部绞痛人院。排泄性尿路造影示肾盂充盈缺损。 第 137 题 首先考虑的诊断是( )。
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A.
切口感染
B.
并发肠炎或菌痢
C.
并发膈下脓肿
D.
盆腔脓肿
E.
化脓性门静脉炎
查看完整题目与答案
【简答题】A thirsty bee went to a river to drink. As it was drinking, the bee was away by the running water. A kind bird saw that the bee was in . It picked off a tree and threw into the water in front of the b...
查看完整题目与答案
【单选题】— What is that? — _________________ [ ]
A.
It is a bee.
B.
It is a bees.
C.
It is bee.
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【简答题】144~145 题共用题干: 男性,63岁,因前列腺增生,排尿困难,要求手术治疗。 第 144 题 在前列腺手术中,下述哪一种情况不是绝对手术指征( )。
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【单选题】(142~146题共用题干) 男性,40岁,某印刷厂工人,因持续性腹绞痛,阵发性加剧而入院。患者自诉近五年来经常有 患者从事的工种最可能是
A.
检字
B.
印刷
C.
浇板
D.
仓库保管
E.
以上都不是
查看完整题目与答案
【单选题】Without air, there ____ no living things.
A.
will be
B.
is
C.
would be
D.
are
查看完整题目与答案