热门试题:
[判断题]对称分量法中零序分量的相序为三相同相位。
A.正确
B.错误
[多选题]采用预拼装的大块墙模板时,严禁同时起吊两块模板,并应( )后方可摘钩。
A.边就位
B.边校正
C.边连接
D.边找齐
E.完全固定
[单选题]10岁以前的女孩出现乳晕部肿块,中医称之为( )
A.乳核
B.乳疬
C.乳痰
D.乳癖
E.乳发
[多选题]( )限期改正期间,以下 党员权利不受影响
A.参加党的有关会议
B.对党的工作提出建议
C.表决权
D.选举权
E.被选举权
[单项选择]不同额定电压的电动机源选用不同规格的兆欧表测量,对于额定电压在500V以下的电动机,采用电压为()的兆欧表。
A. 1000v
B. 2500v
C. 1500v
D. 500v
[判断题]波纹管密封型上阀盖适用于有毒性、易挥发或贵重的流体,可避免介质外漏损耗,以及有毒易爆介质外漏而发生危险。
A.正确
B.错误
[判断题]凡是混合物体系内有隔开两项的分界面,而界面两侧的物料性质又各不相同,称为非均相混合物。
A.正确
B.错误
[单项选择]
Some young soldiers who had recently joined the army were being trained in modern ways of fighting, and one of the things they were shown was how an unarmed man could trick an armed enemy and take his weapon away from him. First one of their two instructors took a knife away from the other, using only his bare hands; and then he took a rifle away from him in the same way.
After the lesson, and before they went on to train the young soldiers to do these things themselves, the two instructors asked them a number of questions to see how well they had understood what they had been shown. One of the questions was this: "Well, you now know what an unarmed man can do against a man with a rifle, imagine that you are guarding a bridge at night, and that you have a rifle. Suddenly you see an unarmed enemy soldier coming towards you. What will you do "
The young soldier who had to answer this question thought carefully for a few seconds before he answered, and then
A. the important thing was to be brave
B. the important thing was to save your life
C. the important thing was to have a gun
D. the important thing was to know the trick
[单项选择]学龄儿童与坐姿有密切关系的常见病是()。
A. 近视眼
B. 脊柱弯曲异常
C. 蛔虫感染
D. 鼻炎
[判断题]强混机耙齿电机电流控制在245安以下。( )
A.正确
B.错误
[单选题]临时配电箱必须装有()的漏电保护开关,禁止多台焊机、电动工具共用一个电源开关,配电箱都应接零(接地)。
A.单个
B.独立
C.公用
D.临时
[单项选择]
Passage Four
During the American War of Independence, women were involved in the active fighting in three ways. First, as members of a distinct branch of the Continental Army, referred to as "Women of the Army," women staffed field hospitals and acted as military support in such roles as water carriers. In an emergency, women water carders, who had plenty of opportunity to observe the firing of cannons, could replace a wounded comrade. The second way that women were involved in active fighting was as regular troop members who wore men’s uniforms and fought side by side with their male counterparts. Theoretically, women were not supposed to be recruited into the Continental Army, but if a woman was a good soldier, no one made an issue of sex at a time when the army was so short of: soldiers that boys not yet in their teens were also being recruited in violation of rules. Third, women were occasional fighters affiliated with local militia companies or
A. Nursing.
B. History.
C. Social Work.
D. Labor Studies.
[单选题] 我国规定:电压互感器二次侧绕组的额定电压相与相之间为()。
A. 100V
B. 120V
C. 57.7V
D. 5V
[单选题]采用盘型制动装置的本属跨局旅客列车( )入库应按规定实施地沟检查作业。
A.1000km
B.1500km
C.每次
D.2000km
[多选题]以下( )工作可共用同一张带电作业工作票的有。
A.在同一厂站内,依次进行的同一电压等级、同类型采取相同安全措施的带电作业。
B.厂站设备全部停电的工作
C.在同一电压等级、同类型采取相同安全措施的数条线路上依次进行的带电作业。
D.同一电压等级高压配电线路不同类型的不停电工作。
[单选题]采用尾矿堆坝的尾矿库达到一等库后,坝高每增高( )m 应对坝体进行全面的安全性复核。
A.50
B.10
C.30
D.20
[多选题]空心电抗器内部有鸟窝或异物时,处理原则()
A.马上停电处理
B.如有异物,在保证安全距离的情况下,可采用不停电方法用绝缘棒将异物挑离
C.不宜进行带电处理的应填报缺陷,安排计划停运处理
D.如同时伴有内部放电声,应立即汇报调控人员,及时停运处理
[单项选择]化学反应速率就是指在化学反应中,物质变化()的程度。
A. 快慢
B. 加快
C. 减小
D. 适当
[单选题]地震短期、临震预报仍是世界性难题.目前,精确预测地震的震级和时间还无法做到。国外地震学家普遍认为,地壳下层的塑性岩石或蛇纹岩被挤进地壳上层的裂缝中时.就会引发地震。这些容易滑动的蛇纹岩是由富含铁、镁的矿物与水作用而生成的,在此过程中会产生氢气。一旦该层发生断裂,氢气就经由断层的裂隙冒出,致使正常空气中的氢气浓度剧增。这段文字的主旨是( )。
A.说明地震并非不可预测
B.描述地震发生的大致过程
C.介绍一种地震预测的方法
D.揭示地震与地层断裂的关系
[多项选择]顾客满意度指标中与产品有关的指标包括( )。
A. 特性/经济性
B. 可靠性
C. 保修期或担保期
D. 美学性
E. 安全性
[多选题]属于车站客运设施的有( )。
A.站台、站厅、通道
B.售票系统、检票系统
C.自动扶梯、自动人行步道、台阶
D.标志标识系统、站台门系统
[单项选择]德育即培养学生( )
A. 思想品质的教育
B. 政治品质的教育
C. 品德的教育
D. 道德品质的教育
[单选题]利用本务机车进行调车作业时,可由()担任指挥工作。
A.车站值班员或助理值班员
B.连结员
C.制动员
D.站务员
[判断题]一级动火工作票的有效期为12h,二级动火工作票的有效期为72h。
A.正确
B.错误
[单选题]和谐型电力机车警惕装置动作,发出()指令。
A.紧急制动
B. 常用制动
C. 卸载
[多选题] 下列描述中,可以形成面的感觉的形态是
A.扩大的点
B.封闭的线
C.密集的点
D.密集的线
[判断题]液压传动是利用液体作介质来传递和控制某些动作。
A.正确
B.错误
[多选题]关于人民币合格境外机构投资者的境内证券期货投资,以下说法正确的是( )。
A.人民币合格境外机构投资者开展境内证券期货交易业务,应当委托符合要求的境外机构作为托管人托管资产
B.人民币合格境外机构投资者开展境内证券期货交易业务,应当委托符合要求的境内机构作为托管人托管资产
C.人民币合格境外机构投资者开展境内证券期货交易业务,需依法委托境内证券公司、期货公司办理在境内的证券期货交易活动
D.人民币合格境外机构投资者开展境内证券期货交易业务,需依法委托境外证券公司、期货公司办理在境内的证券期货交易活动
[单项选择]维新派揭露八股取士“锢智慧”、“坏心术”、“滋游手”三大罪状旨在()
A. 兴民权
B. 讲西学
C. 制定宪法
D. 实行变法
[判断题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定,各站台设有出站方向标志。
A.正确
B.错误
[单选题]自动定向机天线的功用,是接收无线电频率信息,其中环形天线的功用是什么( )
A.提供定向信息
B.提供AM(调幅)输入
C.提供调频输入
D.以上都对
[判断题]杆塔多层拉线应在监视下逐层对称调紧,防止过紧或受力不均而使杆塔产生倾斜或局部弯曲。
[单选题]键盘自检时应检测所有按键(包括警惕按钮和警醒按钮),最后检测( )键,完成键盘自检检测。
A.【确认】
B.【正常】
C.【调车】
D.【设定】
[判断题]《山东省安全生产条例》规定:生产经营单位不可以自主组织培训。
A.正确
B.错误
[单项选择]如果一笔普通航空货物的计费重量很小,以下表述准确的是()
A. 航空公司规定按指定运价计收运费
B. 航空公司规定按特种运价计收运费
C. 航空公司规定按起码运费计收运费
D. 航空公司规定按声明价值费用计收运费