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问题描述：

[单选] 运用中的高压设备其中性点接地系统的中性点应视作带电体，在运行中若必须进行中性点接地点断开的工作时，应先建立有效的旁路接地才可进行断开工作。（）
A．对 B．错
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随机题目

您阅读了一份报告，该报告手写在您怀疑患有炎症性肠病的患者的医疗记录中。 该报告写道：‘…回肠末端回荡，并出现玫瑰刺溃疡。 这些发现暗示了克罗恩病。 选择该报告最有可能来自的调查： You read a report which was handwritten in a patient’s medical notes who you suspect has inflammatory bowel disease． The report reads， ‘… there is cobblestoning of the terminal ileum with the appearance of rose thorn ulcers． These findings are suggestive of Crohn’s disease’． Select the most likely investigation that this report was derived from:
一名58岁的男子表现出呼吸困难，他报告在过去的三个月中由于恶心，呕吐和呼吸困难而感到不适。 您会发现他的脚踝肿胀，胳膊上有瘀伤。 病人说他没有像平常那样排尿。 最合适的调查是：A 58-year-old man presents with breathlessness， he reports feeling unwell over the last three months with nausea， vomiting and difficulty breathing． You notice his ankles are swollen and he has bruises on his arms． The patient mentions he has not been urinating as often as normal． The most appropriate investigation is:
最近有一名19岁的男子被诊断患有1型糖尿病，并在您的诊所就未来可能出现的并发症进行了询问。 他提到一个叔叔因糖尿病控制不佳而患有晚期肾脏疾病，并特别询问是否需要进行肾脏损害的早期迹象的检测。 最合适的调查是：A 19-year-old man is recently diagnosed with type 1 diabetes and attends your clinic to ask about possible complications in the future． He mentions an uncle who has end-stage renal disease due to poorly controlled diabetes and specifically enquires about testing for early signs of renal impairment． The most appropriate investigation is:
一名64岁男子在倒塌后出现事故和紧急情况。 他描述了一次停电，随后在地板上恢复了意识。 他目前感觉良好，没有其他症状。 但是，他提到自己在过去几个月中无意中减轻了一些体重。 没有过去的病史。 验血显示血红蛋白水平为9 g / dL，平均细胞体积为71 fL。 该患者最适合的下一次检查是：A 64-year-old man presents to accident and emergency following a collapse． He describes a blackout， subsequently regaining consciousness when on the floor． He presently feels well and describes no other symptoms． However， he mentions that he has unintentionally lost some weight over the past few months． There is no past medical history． Blood tests reveal a haemoglobin level of 9 g/dL with a mean cell volume on 71 fL． The most appropriate next investigation of this patient is:
血液中正常淋巴细胞百分比为：Normal lymphocytes percentage in blood is：
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