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[单选题]巡视时()改变电力通信系统或机房动力环境设备的运行状态。
A.不得
B.可以
C.允许
D.不准
E.略
F.略

热门试题:

[多选题]农村个人生产经营贷款定价坚持收益覆盖______的原则。
A.资金成本
B.信贷成本
C.管理成本
D.机会成本
[单选题]动火工作票至少应保存( )。
A.3个月
B.6个月
C.9个月
D.1年
[单选题]不仅在石油、煤气、化工、水处理等一般工业上得到广泛应用,而且还应用于电站冷却水系统的大口径阀门类型为()。
A.蝶阀
B.截止阀
C.闸阀
D.旋塞阀
[单项选择]内表面紫棕色或深紫褐色,划之显油痕的药材为
A. 牡丹皮
B. 厚朴
C. 肉桂
D. 杜仲
E. 秦皮
[单选题]依据《生产安全事故应急预案管理办法》,对于某一种类的风险,生产经营单位应当依据存在的重大危险源和可能发生的事故类型,制定相应的( )。
A.综合应急预案
B.专项应急预案
C.现场处置方案
D.风险评估方案
[单选题]( )两船处在对遇局面致有碰撞危险,当你船决定采取右转避让措施时,听到他船发出二短声,并看出他船已向左转向,此时你船采取下列哪种措施最为有利?
A.遵守《规则》规定,向右转向,并发一短声;
B.减速、停车、倒车把船停住,倒车时发三短声;
C.若环境许可,向左转向,并发二短声;
D.B、C措施均可。
[单项选择]The Red Cross is an international organization, which cares for people who are in need of help. A man in a Paris (56) who needs blood, a woman in Mexico who was (57) in an accident, and (58) in India that lost their (59) in a storm may all be (60) by the Red Cross. The Red Cross (61) in almost every country around the (62) The world Red Cross organizations are sometimes (63) the Sun or the Red Lion. All of these organi-zations (64) a common aim of (65) to help people in need.
The idea of (66) an organization to help the sick and wounded during a war was (67) by Joan Dun ant. In 1859, he (68) how people were (69) on a battlefield in Ita-ly. He wanted to help all the wounded people (70) which side they were fighting for. The most important (71) of his work was an international treaty(条约). It (72) prisoners of war, the sick and wounded
A. progress
B. result
C. discovery
D. experience
[单选题]绿色国网推送的综合能效诊断报告,目前可以根据报告结果自动匹配( )
A.A、案例;
B.专家;
C.课程;
D.以上答案都不对
[多项选择]下列不应交纳消费税的有( )。
A. 委托加工的应税消费品(受托方已代收代缴消费税),委托方收回后直接销售的
B. 烟酒专卖店销售烟酒
C. 某收音机制造厂将自制收音机用于援外
D. 自产自用的应税消费品,用于生产非应税消费品
[单项选择]鼻咽鳞状细胞癌
A. 倾向于破坏邻近组织
B. 倾向于血道转移
C. 倾向于淋巴道转移
D. 切除后易复发
[单项选择]下列描述免除的法律性质中正确的是()
A. 免除是有偿行为
B. 免除是附条件的行为
C. 免除是双方行为
D. 免除是单方行为
[判断题]《铁路行李、包裹损失处理规则》(铁总货(2017)293号)规定,“行包损失速报”需由发现单位主管人员或列车长审核签发。
A.正确
B.错误
[单选题]气体检测仪每次使用前,使用人都要利用()对仪器气体传感器的完好性进行实验检查。
A.检测法
B.调零法
C.吹气法
[单选题]用于实现邮件传输服务的协议是()
A. HTML
B. IGMP
C. SMTP
D. DHCP
[单选题]厚朴粉末镜检可见的晶体是


A.簇晶

B.方晶

C.砂晶

D.针晶

E.柱晶

[填空题]常用的水泥有普通水泥,矿渣水泥和( )水泥。
[多选题]湿热发黄证与寒湿发黄证的区别是:
A.前者黄色鲜明,后者黄色晦暗
B.前者属热实证,后者可伴脾虚寒证
C.前者为湿热内蕴、熏蒸肝胆,后者为寒湿内蕴、肝胆失疏
D.前者与阳明有关,后者与太阴有关
E.前者清热利湿退黄,后者温中散寒利湿
[判断题]陶瓷横担主要用于农村6~35kV电压等级的输送容量较小导线截面积在120mm2及以下的线路中。( )
A.正确
B.错误
[多选题]在外部市电和取力发电机正常工作的情况下,通信车各业务系统设备无法加电。可采取( )。
A.查看供电系统连接线缆是否松动,利用万用表检测各输入电源的电压是否正常。
B.用万用表检测蓄电池电压是否正常,能否为ECU主机提供正常启动电压。
C.若蓄电池组严重亏电,无法启动ECU主机正常完成电源切换,自然无法为车载设备供电。
D.应急状态下紧急的处理方法是采用外部电源为蓄电池充电,满足启动ECU主机即可。
[判断题]电容式起爆器既能起爆串联电路也能起爆并联支路较少的网路。( )
A.正确
B.错误
[单选题] 试分析下列陈述哪个错误( )。
A.主风机自保动作将会导致装置自保动作
B.三菱程控器的输出端可以直接连到电液滑阀
C.电液滑阀的自锁权优于其自保权
D.装置自保的优先权最高
[单选题]各使用单位及个人应遵循( )的原则,在门禁使用期间做好安全安全管理工作,防止无关人员通行。
A.谁使用,谁负责
B.谁管理,谁负责
C.谁维修,谁负责
D.谁处罚,谁负责
[单项选择]未取得建设工程规划许可证或者违反建设工程规划许可证规定进行建设的,属违法建设。其中严重影响城市规划的,市政府城市规划行政主管部门责令停止建设,决定限期拆除。这种行政行为属于( )。
A. 行政处罚
B. 行政措施
C. 行政检查
D. 行政监察
[判断题]每个PON口下只要光功率允许就可以无限多个ONU。
A.正确
B.错误
[单项选择]肺癌病人出现声音嘶哑,应考虑()。
A. 肿瘤压迫喉返神经
B. 肿瘤压迫气管
C. 肿瘤压迫膈神经
D. 肿瘤压迫主动脉弓
E. 声带侵犯
[单选题]液化石油气气瓶的独立瓶组间与( )防火间距最大。
A. 重要公共建筑
B. 明火
C. 高层民用建筑
D. 道路
[单项选择]患者女,39岁,确诊肺结核1个月。突然大咯血而致血压下降。首选治疗方案是()
A. 立即监测血压
B. 输血、补液
C. 垂体后叶激素(5~10U)+25%葡萄糖溶液(40ml),缓慢静脉注射
D. 间羟胺(10mg)+多巴胺(20mg)+0.85%氯化钠溶液(1500ml),静脉滴注
E. 氨甲环酸(止血环酸,200mg)+25%葡萄糖溶液(20ml),静脉注射
[单选题]党史学习教育要深入研读指定学习材料,用好重要( )。
A.相关材料
B.参考材料
C.其它材料
D.重点材料
[单项选择]Questions 53 to 57 are based on the following passage: ( 10 分 )   How did a peddler of cheap shirts and fishing rods become the mightiest corporation in America The short version of Wal-Mart’s rise to glory goes something like this:in 1979 it racked-up a billion dollars in sales; by 1993 it did that much business in a week; by 2001 it could do it in a day.   It’s a shocking tale--one that propelled Wal-Mart from rural Arkansas, where it was founded in 1962, to the top of the Fortune 500. Sam Walton, Wal-Mart’s founder, pushed sales growth continuously while squeezing costs with sophisticated information technology. He exhorted employees to sell better with the "ten-foot rule" ( greet customers if they are that close ). He was, in other words, an early evangelist for the first commandment of today’s economy: service rules. Wal-Mart, in fact, is the first service company to rise to the top of the Fortune 500. When Fortune first published its list of the largest companies in America i
A. the decline of goods-producing industries
B. the rise of the middle class
C. a shift in the demand pattern
D. Sam Walton’s hard work
[单选题] 当分馏塔操作压力大于0.5MPa时,一般气密压力采用操作压力的( )倍。
A.1.15
B.1.20
C.1.25
D.1.30
[单项选择]系统不因人体差错发生功能降低和故障时人的成功概率,称为人的( )。
A. 基本工作量
B. 成功率
C. 基本可靠度
D. 故障率
[单项选择]透水沥青混凝土铺装的养生期间,行车速度限制在()下,但禁止重型车辆和机械通行。
A. 35km/h
B. 40km/h
C. 20km/h
D. 30km/h
[单项选择]
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The study of philosophies should make our own ideas flexible. We are all of us apt to take certain general ideas for granted, and call them common sense. We should learn that other people have held quite different ideas, and that our own have started as very original guesses of philosophers.
A scientist is apt to think that all the problems of philosophy will ultimately be solved by science. I think this is true for a great many of the questions on which philosophers still argue. For example, Plato thought that when we saw something, one ray of light came to it from the sun, and another from our eyes and that seeing was something like feeling with a stick. We now know that the light comes from the sun, and is reflected into our eyes. We don’ t know in much detail how the changes in our eyes give rise to
A. The study of philosophies would make our own idea flexible.
B. The study of philosophies would help prepare us for the future and guide our actions.
C. The study of philosophies would enable us to understand how things develop as to better tackle the future.
D. All of the above.
[单选题]铁路上常用的防水砂浆多是以()为主要成分的五矾防水剂配制而成。
A.碳酸钠
B.硅酸钠
C.氮酸钠
D.硫酸钠
[单选题]机组起动前连续盘车时间执行制造厂的有关规定,并不少于( ),热态起动不少于4小时。
A.1-3小时
B.2-4小时
C.3-5小时
[单项选择]修复体粘固以前,常用消毒剂是( )
A. 木榴油
B. 75%的酒精
C. 双氧水
D. 碘酚
E. 甲酚醛
[判断题]供应商管理主要包括区分供应商级别,对物资供应渠道进行选择,从质量、价格、售后服务、交货期等方面对供应商进行综合的、动态的评估,不涉及供应商关系管理。( )

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