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[多选题]电源侧不停电更换电能表时,直接接入的电能表应将出线负荷断开,应有防止( )的措施。
A. 二次回路断开
B. 相间短路
C. 相对地短路
D. 电弧灼伤

热门试题:

[多选题]设定和实施行政处罚必须以事实为依据,与违法行为的( )相当。
A.证据
B.性质
C.情节
D.社会危害程度
[单选题]万用表是一个由()测量机构、测量线路和转换开关三个基本部分组成的。
A.磁电式
B.电磁式
C.电动式
D.不一定
[单项选择]
Time "talks" in the American culture and, for that matter, in many other cultures. (31) it says is crucial in our relations with others. Some societies take their promises to (32) deadlines seriously and keep appointments, and they impose penalties for being late or not completing a task in the (33) time. In the United States, being late repeatedly for class in schools may lead to suspension. Late papers may (34) as much as 10 percent reduction in the grade, or even a failing grade.
Perhaps the most critical dimension in culture is the use of time. Each culture has its own concept of time. In Germanic cultures punctuality is a (35) of respect and politeness; being late is rude. Germans believe people should be (36) on time, neither too early, nor too late. Tothe Indonesian, time is an endless pool
A. That
B. What
C. Which
D. Whether
[简答题]试列举常用的网络服务器软件及其作用。
[单项选择]间歇性跛行伴静息痛的症状符合()。
A. 脉管炎
B. 腰椎间盘突出症
C. 腰椎管狭窄症
D. 坐骨神经炎
E. 强直性脊椎炎
[判断题]二氧化碳适用于扑灭高压电气火灾
A.正确
B.错误
[单选题]UDT用户自定义数据类型,可以由()构成
A.各种预定义数据类型或者其他数据类型
B.仅各种预定义数据类型
C.仅其他UDT数据类型
D.仅模块生成
[多选题]省、市、县各级农信机构有关主管部门应当( )分别组织一次重要空白凭证使用管理情况检查。
A.每月
B.每季
C.每半年
D.每年
[多项选择]项目监理机构应采取()形式对工程建设实施监理。
A. 见证
B. 旁站
C. 巡视
D. 平行检验
E. 合同管理
[单项选择]甲公司购入一台不需安装的设备,价款 30000元,支付的增值税5100元,另支付运输费 300元,包装费400元,款项以银行存款支付。该项固定资产的入账价值应为( )元。
A. 30000
B. 35100
C. 35400
D. 35800
[判断题]在井下可用铁丝、铜丝代替保险丝。( )
A.正确
B.错误
[单选题] 各种基础或支持物无影响强度的裂纹,安设稳固,其倾斜限度不得超过( ) mm。 (0.5分)
A.5
B.15
C.10
D.20
[简答题]若DS=6000H,SS=5000H,ES=4000H,SI=0100H,BX=0300H,BP=0400H,D=1200H,数据段中变量名NUM的偏移地址为0050H,试指出下列源操作数的寻址方式和物理地址是多少:MOV AX,NUM[BX]
[单选题]以下停车场中,属于公共停车场的是()。
A.物业小区自用停车场
B.大型超市设置的停车场
C.事业单位内部停车场
D.写字楼自用停车场
[单项选择]采用两根固定不动的桅杆吊装数量较多的塔群时,应采用的吊装方法为()。
A. 双桅杆递夺法
B. 双桅杆滑移法
C. 联合吊装法
D. 吊推法
[判断题]1电动卷扬机用完后,可以不切断电源,但要将控制器放到零位,用保险闸自动刹紧,并拉紧跑绳。 ( )
A.正确
B.错误
[单项选择]若6,a,c成等差数列,且36,a2,-c2也成等差数列,则c=( ).
A. -6
B. 2
C. 3或-2
D. -6或2
E. 以上结论都不正确
[单选题]下列关于交易案例比较法选择可比对象的说法中,错误的是( )。
A.选择可比交易案例应当注意筛选标准的统一性、筛选对象的全面性
B.选择的可比交易案例的交易日期应当与评估基准日相同
C.选择可比交易案例应当注意案例相关财务资料的可获得性与充分性
D.选择可比交易案例应当关注案例企业与被评估企业在业务结构上的可比性
[判断题]在校学生暑期期间具有签订劳动合同的主体资格。
[多选题]屏柜进入户内应采取适当防护措施实施对门、窗和地面等成品进行保护。户内运输宜采用()机械。
A.叉车
B.液压铲车
C.专用小车
D.起重机
[多选题]安全隐患按可能导致后果及隐患整改的难易程度,将隐患分为( )和( )两个等级。
A.特大隐患
B.重大隐患
C.较大隐患
D.一般隐患
[单项选择]X线片示左心室增大,主动脉增宽、延长、迂曲,心脏呈靴型的是()
A. 二尖瓣狭窄
B. 心包积液
C. 肺源性心脏病
D. 高血压性心脏病
E. 主动脉瓣狭窄
[判断题]制作、贩卖、传播有严重政治问题的书刊、音像制品、电子读物、网络音视频资料等,情节较重的,给予撤销党内职务或者留党察看处分。
[单选题]列车驾驶模式有()种
A.一
B.二
C.三
D.四
[单项选择]全口义齿印模要采用()
A. 解剖式印模
B. 功能性印模
C. 无压力印模
D. 二次印模
E. 终印模
[单选题]高处作业的平台、走道、斜道等应装设不低于1.2m高的护栏,并设(  )mm高的挡脚板。
A.180
B.150
C.120
D.110
[单选题]()是一种不管企业是盈利或亏损,都要儆纳的税收,
A.所得税
B.税金
C.利润
D.增值税
[单项选择]安全生产责任制,包括()。
A. 全员职责
B. 安全生产管理机构设立
C. 人员任命
[不定项选择题]共用题干 Even Intelligent People Can Fail

1 The striking thing about the innovators who succeeded in making our modern world is
how often they failed.Turn on a light,take a photograph,watch TV,search the Web,jet
across the Pacific Ocean, talk on a celiphone(手机).The innovators who left us these
things had to find the way to success through a maze(错综复杂)of wrong turns.
2 We have just celebrated the 125th anniversary of American innovator Thomas Edison's
success in heating a thin line to white-hot heat for 14 hours in his lab in New Jersey,U.S.
He did that on October 22,1879,and followed up a month later by keeping a thread of
common cardboard alight(点亮着的)in an airless space for 45 hours.Three years later
he went on to light up half a square mile of downtown Manhattan,even though only one of
the six power plants in his design worked when he turned it on,on September 4,1882.
3 "Many of life's failures,"the supreme innovator said,"are people who did not realize
how close they were to success when they gave up."Before that magical moment in
October 1879,Edison had worked out no fewer than 3,000 theories about electric light,but
in only two cases did his experiments work.
4 No one likes failure,but the smart innovators learn from it.Mark Gumz,the head of
the camera maker Olympus America Inc,attributes some of the company's successes in
technology to understanding failure.His popular phrase is:"You only fail when you quit."
5 Over two centuries,the most common quality of the innovators has been persistence.
That is another way of saying they had the emotional ability to keep up what they were
doing.Walt Disney,the founder of Disneyland,was so broke after a succession of
financial failures that he was left shoeless in his office because he could not afford the U.S.
$1.50 to get his shoes from the repair shop.Pioneering car maker Henry Ford failed with
one company and was forced out of another before he developed the Model T car.
6 Failure is harder to bear in today's open,accelerated world.Hardly any innovation works the
first time.But an impatient society and the media want instant success.When American music
and movie master David Geffen had a difficult time,a critic said nastily that the only difference
between Geffen Records(Geffen's company)and the Titanic(the ship that went down)was
that the Titanic had better music.Actually,it wasn't.After four years of losses,Geffen had so
many hits(成功的作品)he could afford a ship as big as the Titanic all to himself. People often didn't realize how close they were to success when_________.
A.he developed 3,000 theories
B.he couldn't afford to buy a pair of shoes
C.he found himself an unsuccessful man
D.they quitted
E.an innovation should work immediately
F.failure is the mother of success
[填空题]依据中国华电集团有限公司采购管理规定,( )采购项目可采用非招标采购方式。
[多选题]水带按耐压等级可分为( )水带。 (易)
A.胶里
B.低压
C.中压
D.高压E、常压
[单选题]113.依法应当先经下级行政机关审查后报上级行政机关决定的行政许可,下级行政机关应当自其受理行政许可申请之日起( )内审查完毕,法律、法规另有规定的,依照其规定。
A.十日
B.十五日
C.二十日
D.三十日
[单项选择]证券公司设立集合资产管理计划的,应当自中国证监会出具无异议意见或者做出批准决定之日( )个月内启动推广工作,并在( )个工作日内,完成设立工作并开始投资运作。
A. 1,5
B. 3,15
C. 2,30
D. 6,60
[单选题]青霉素过敏性休克的抢救方法是
A.扩血管治疗
B.人工呼吸
C.肾上腺素稀释后缓慢静脉注射
D.扩容治疗
E.吸氧
[单选题]装设于地面的配电变压器应设有安全围栏,并悬挂( )等标示牌。
A.“止步,高压危险!”;
B.“禁止攀登,高压危险!”;
C.“从此上下!”;
D.“有电危险!”
[单选题]每( )对机动链锯进行5min预热、发动,检查链条、机器外观,燃油和链条润滑油。
A.日
B.周
C.月
D.季度
[单项选择]蜘蛛痣常见于下列哪种疾病()
A. 肝硬化
B. 伤寒
C. 猩红热
D. 麻疹
E. 药物过敏
[单选题]重大物件的起重、搬运工作应由有经验的专人负责,作业前应进行(  )。
A.技术交底
B.安全交底
C.安全教育
D.《安规》考试

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