热门试题:
[单选题]专业分包商进行劳务作业分包时,须经( )同意。
A.总承包人
B.分包人
C.发包人
D.监理
[单选题]《铁路客运运价规则》计算旅客票价的起码里程为:客票( )km。
A.20
B.50
C.100
D.400
[单项选择]下列骨肿瘤的叙述正确的是( )
A. 骨肿瘤病人常出现碱性磷酸酶增高
B. 恶性肿瘤的血沉常加快
C. 骨髓瘤常出现异常免疫球蛋白
D. 良性肿瘤的血尿检查均正常
E. 以上都是
[单项选择]Electricity plays an essential part in our life. No one can deny that electric light is necessary for people’s life. However, can you imagine such a world where there is no (21) of electric light As darkness falls over, children read in the light given by oil lamps and candles. Youths (22) time only by talking instead of watching TV. Everything is surrounded by (23) shadows. (24) , we have a man named Edison. He created bulb that (25) for two days before burning out. He also developed successfully a system for (26) electricity from a central powerhouse. It is he that gives us electric light, gramophone, moving pictures--all those we take (27) granted.
After the invention of electricity, manufacturers increasingly applied the findings of invention to their businesses, (28) generating new industrial growth. Development of electricity leads to the (29) creations of new products and ma
A. otherwise
B. nevertheless
C. thus
D. since
[单选题]编入直通货物列车时,空罐车除外,角1与牵引的电力机车应( )。
A.不隔离
B.至少隔离1辆
C.至少隔离2辆
D.至少隔离4辆
[单选题]使用砂轮研磨时,应( )或装设防护玻璃。
A.戴眼镜
B.戴防护眼镜
C.戴口罩
D.戴面罩
[单选题]峰下线路的( )道岔不得小于 7 号。
A.单开
B.双开
C.三开
D.对称
[判断题]《铁路旅客运输规程》第44条规定,无票乘车时,除按规定补票,核收手续费以外,铁路运输企业有权对其身份进行登记,并须加收已乘区间应补票价50%的票款。
A.正确
B.错误
[单项选择]部分流量之和称为()。
A. 断面水量
B. 全断面流量
C. 平均流量
D. 全部流量
[单项选择]
患者男性,40岁,双手指端遇冷后苍白,麻木、疼痛,间断发作6年,每次发作约持续15~30分钟不等,近半年来出现手指、手背肿胀逐渐向前臂扩散,皮肤光亮、发硬,不易提起而来诊。体检:心肺(-)肝脾未触及,化验:ESR50mm/小时,抗核抗体(+)
经适易治疗,本病预后较好,其10年生存率为()
A. 50%
B. 60%
C. 70%
D. 80%
E. 90%
[单项选择]某机器的字长为8,符号位占1位,数据位占7位,采用补码表示时的最小整数为______。
A. -28
B. -27
C. -27+1
D. -28+1
[单项选择]中枢神经系统脱髓鞘疾病最突出的具有特征性的病理改变是()。
A. 脑皮质变性
B. 脑白质变性
C. 神经胶质细胞增生
D. 神经纤维髓鞘破坏或脱髓鞘
E. 病灶呈多发性、播散性
[填空题]
What should tourists do in the event of a fire or any other danger
They should leave the building and () of the Custodians.
[判断题]甲方安排乙方延长工作时间或者在休息日、法定节假日工作的,支付乙方的劳动报酬按照国家法律、地方政府法规以及人力资源和社会保障部、铁道部相关规定办理。
A.正确
B.错误
[判断题]热通过流动介质将热量由空间中的一处传到另一处的现象叫做热对流。( )
A.正确
B.错误
[判断题]分级绝缘的变压器是指变压器绕组的中性点端子直接或间接接地时,其中性点端设计的绝缘水平高于线端所规定的绝缘水平。
A.正确
B.错误
[单项选择]流行病学的主要研究方法是
A. 实验室方法
B. 临床诊治方法
C. 现场调查与现场实验观察研究方法
D. 临床诊治与统计学方法
E. 统计学方法
[多项选择]甲与乙订立了一份买卖合同。双方在合同中约定甲须于6月30日向乙预付定金20万元。6月30日甲未支付定金,经乙催告甲仍未支付。对此,乙的哪些诉讼请求法院不予支持?
A. 请求解除买卖合同
B. 请求甲承担违约责任
C. 请求强制甲支付定金20万元
D. 请求强制甲支付定金20万元及逾期利息
[多选题]突破是火场上为完成比较艰巨的灭火、救人和排险任务,组织灭火力量进行强攻的战法。适用于突破战术的是()。
A.开辟救人通道抢救人命时的突破
B.消除爆炸危险时的突破
C.抢救重要的物资或资料时的突破
D.堵漏或采取关阀断流等工艺措施时的突破
[单项选择]确定一个社区地域范围的客观标志是( )。
A. 社区经济的覆盖范围
B. 社区文化的影响范围
C. 社区的行政区划范围
D. 物业服务企业的服务范围
[单选题]《辽宁省农村信用社个人征信业务管理办法(修订)》的通知(辽农信联[2017]381号)中:各市中心行社征信管理员用户变动,应在____个工作日内向当地人民银行征信管理部门和省联社备案。
A.1
B.2
C.3
D.4
[单选题]为治疗菌群失调症,应使用:
A.维生素
B.纤维素
C.抗生素
D.抗毒素
E.微生态制剂
[单选题]准高速发电车48 V直流电源的充电电流应调整在( )A之间
A.5~8
B.8~12
C.44119
D.12~18
[单选题]重婚:是指有配偶的男女未办离婚手续又与他人登记结婚,或者没有登记结婚而与他人同居而构成事实上的婚姻关系的,以及未婚男女明知他人有配偶而与之结婚的行为。
根据上述定义,下列行为属于重婚的是( )。
A.甲在家乡已经结婚,出门打工后被人拐卖给了乙,被迫与乙生活在一起
B.甲乙离婚后又同居在一起
C.甲在隐瞒了自己已结婚的情况下与乙领取了结婚证书
D.甲乙同居多年,甲突然提出分手,并很快与丙结婚
[单选题]国有企业党组织( )。
A.发挥政治核心作用
B.发挥领导核心作用
C.只发挥保证监督作用
[单项选择]在常温常压下(20℃,0.1MPa),烷烃C1至C4为()态,C5至C16是()态,而C17及以上烷烃为()态。
A. 气、液、液
B. 气、气、液
C. 固、液、气
D. 气、液、固
[单选题] 建筑工程的发包单位( )将建筑工程的勘察、设计、施工、设备采购一并发包给一个工程总承包单位。
A.不得
B.可以
C.应当
D.必须
[单项选择]若有关系模式R(X,Y,Z),属性X、Y、Z间没有任何函数依赖关系。下列叙述中哪一条是正确的?()
A. R肯定属于2NF,但R不一定属于3NF
B. R肯定属于3NF,但R不一定属于BCNF
C. R肯定属于BCNF,但R不一定属于4NF
D. R一定属于4NF
[单项选择]One time I met an old American woman at a local city college. She seemed to be over fifty and was taking a class with her husband. She was sitting outside getting some sun. I walked up to her and said "hello" and we began talking. I told her something about myself and she told me about herself. She was very warm and friendly, just like an old friend. When I asked her, "How old are you " she told me that I shouldn’t ask that. Most elder American women don’t like that question, but she was very nice. She said, "Because you come from another country, it’s OK that you asked. I don’t mind. "()
A. Because she liked the speaker.
B. Because she liked the question.
C. Because she knew the speaker.
D. Because the speaker was a foreigner.
[单选题]按《塔里木油田钻井井控实施细则》规定:下完表层套管,应保持井口段套管处于拉伸状态,调整并保持套管与( )中心线同轴再进行固井施工;
A.方钻杆
B.天车
C.井口
D.转盘
[单选题]对于重大事故隐患,由生产经营单位()组织制定并实施事故隐患治理方案
A.安全管理人员
B.生产经理
C.厂长
D.主要负责人
[多选题]人员下道避车时应面向列车认真瞭望,防止列车上的()伤人。
A.抛落物
B.坠落物
C.绳索
D.列车遗撒物
[单项选择]Can animals be made to work for us Some scientists think that one day animals may be trained to do a number of simple jobs that are now done by human beings.
They point out that at a circus, for example, we may see elephants, monkeys, dogs and other animals doing quite skillful things. Perhaps you have seen them on the television or in a film. If you watch closely, you may notice that the trainer always gives the animal a piece of candy or a piece of fruit as a reward. The scientists say that many different animals may be trained to do a number of simple jobs if they know they will get a reward for doing them.
Of course, as we know, dogs can be used to guard a house, and soldiers in both old and modem times have used geese to give warning by making a lot of noise when a stranger or an enemy comes near. But it may be possible to train animals to work in factories. In Russia, for example, pigeons which are birds with good eyesight, are being used to watch out for faults in smal
A. Animals are very skillful at a circus.
B. They are big and strong.
C. Some animals arc as clever as human beings.
D. Animals can be trained because they like to get something as a rewar
[单选题]在一个采样时刻进行的状态估计叫做(),它不考虑状态的时变过程。
A.静态状态估计
B.动态状态估计
C.混合状态估计
D.状态测量
[判断题]电击是指电流通过人体时,人体内部组织受到破坏。 ( )
A.正确
B.错误
[单选题]目前,网络安全攻击事件主要来自 ( ) 。
A.ISP
B.ICP
C.Intranet
D.Extranet
[单项选择]表示产率与其基元灰分之间关系的曲线是()
A. 灰分特性曲线
B. 浮物曲线
C. 沉物曲线
D. 密度曲线