[单选题]制冷压缩机系统实气置换时,当系统中氮气含量低于( )时-我要搜题网

[单项选择]一批铁红颜料，规定其细度不超过60(μm)，实测平均值为57(μm)，标准差为1(μm)，则过程能力指数为______。
A. 1.33
B. 1.67
C. 0.67
D. 1.0

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[判断题]DS6-60计算机联锁系统中驱动继电器动作的DC24V电源由联锁系统接口24V电源提供。（）
A.正确
B.错误

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[单选题]实现( )始终是近代以来中国人民最伟大的梦想。
A.民族独立
B.人民解放
C.中华民族伟大复兴
D.祖国统一

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[多选题] [ZJJK02-03-X] 循环压力损失的大小取决于( )等因素。
A.钻井液密度
B.钻井液粘度
C.排量
D.流通面积

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[单选题]减轻心脏负荷的护理措施不包括( )
A.低盐饮食
B.半卧位
C.两腿下垂
D.控制输液速度
E.高热量饮食

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[单项选择]

{{I}} Questions 5 to 9 are based on the following conversation.{{/I}}

What does Susan mean by saying "Is he English"
A. Susan doesn’ t believe that Sally’ s husband can cook and iron.
B. Susan wonders why Sally lets her husband do that sort of housework.
C. Susan doesn’t think that English husbands can cook, sew and iron.
D. Sally’ s husband speaks English with some foreign accent.

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[判断题]如预计施工压力低，压裂井口就无需绷绳固定。（）

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[单选题]韶山4改型电力机车扫石器距轨面高度()。
A.10～15mm
B.20～25mm
C.45～80mm
D.50～80mm

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[判断题]监察机关调查人员可以根据调查的发展情况灵活变更调查对象。
A.正确
B.错误

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[判断题]各项业务挂账的检查、核对和清理由内勤行长负责。
A.正确
B.错误

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[判断题]已请求救援的列车，待停车原因消除后可自行开车。（）
A.正确
B.错误

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[单项选择]应诊断为
A. 肝经湿热证阴痒
B. 肝肾阴虚证阴痒
C. 肾气虚证阴痒
D. 血虚证阴痒
E. 热毒炽盛证阴痒

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[多选题]（）应当按照国家规定制定运输机场突发事件的应急预案。
A.机场管理机构
B.民用航空管理部门
C.有关地方人民政府
D.民航安全监督管理办公室

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[单选题]隔离开关不能用于下述哪种操作( )。
A.切断短路电流
B.切断小电流,隔离带电设备
C.隔离电源,倒闸操作,切断小电流
D.隔离电源,隔离故障,侧面操作

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[单项选择]根据《消防法》规定，地方公安机关消防机构有权依法对（）领域的消防产品违法行为进行查处。
A. 生产
B. 销售
C. 使用
D. 运输

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[单选题](单选题,1 分)
当体重超出标准体重的( )时,可判定此人超重。
A.5%
B.10%
C.20%
D.30%
E.15%

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[单项选择]任何一项政策，它的功能都是通过事物之间相互联系的动态形式所产生的作用而实现的。作用一般都是相互的。当一个事物对另一个事物发生作用时，必然要受到对方对它的反作用。这段话主要支持了这样一种观点，即( )。
A. 政策的稳定性是相对的
B. 在执行政策时，应从实际出发
C. 政策是事物间相互作用的产物
D. 政策在实施过程中可能产生负效应

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[单项选择] That afternoon Molly almost danced along the street, as she walked home with her father from the station. They had seen Mrs. Gibson and Cynthia off to London. She wished her stepmother would take herself off to London much more often. "Well now, Dad," she said, "I’’m going to have you all to myself for a whole week. You must be very obedient. " "I hope you aren’’t going to boss me, Molly. You’’re walking me out of breath already. We mustn’’t pass Mrs. Goodmays in our hurry. "They crossed the street to speak to Mrs. Goodmays, one of the Doctor’’s patients. " We’’re just been seeing my wife and her daughter off to London. They’’ve gone up for a week. " "Dear me, to London, and only for a week!" Said Mrs. Goodmays, with surprise. "It seems hardly worth the packing. It’’ll be lonely for you, Molly, without your stepsister. " "Yes," said Molly, suddenly feeling as if she ought to have taken this view of the case. " I’’ll miss Cynthia. " "And you, Dr. Gibson, I h
A. He feared he might lose his position as a doctor.
B. He suspected Molly wanted him to do something criminal.
C. He thought Molly would encourage his old bad habits.
D. He believed Molly was trying to make him leave his wife.

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[单项选择]某项目计算期为20年，各年的净现金流量如下表所示，该项目的行业基准收益率为10%，则其财务净现值为( )万元。