热门试题:
[判断题]需对接触线、承力索卸力时,操作人员不得站在接触线、承力索受力的方向。 ( )
A.正确
B.错误
[判断题]污秽严重的覆冰地区外绝缘设计应采用加强绝缘、V型串、不同盘径绝缘子组合等形式。()
[单项选择]在超短波进行微热量治疗时,大功率治疗仪浅作用时电极皮肤间隙为()。
A. 1~2cm
B. 2~3cm
C. 3~4cm
D. 4~5cm
E. 5~6cm
[单选题]地市公司级单位(简称“地市公司级单位”)的安全目标:不发生其他对公司和社会造成( )影响的事故(事件)。( )
A.特别重大
B.重大
C.较大
D.一般
[单项选择]The first day he did not have his lunch because he did not ______.
A. feel well
B. know the time for lunch
C. hear the lunch bell
D. have the money
[单选题]下列哪些不属于变电检测通用管理规定中规定的带电检测工作应适当增加检测频次的条件。
A.在雷雨季节前和大风、暴雨、冰雪灾、沙尘暴、地震、严重寒潮、严重雾霾等恶劣天气之后
B.曾经发现危急缺陷的设备
C.高峰负荷期间或负荷有较大变化时
D.设备有家族性缺陷警示时
[填空题]在V形折弯时,V形折弯的宽度会影响()。
[单选题]房间的室内机冷却空气时,有凝结水出现,蒸发器表面的空气呈现( )。
A.过饱和
B.未饱和
C.接近饱和
D.饱和
[填空题]TMS320C54x系列DSP处理器最大的程序存储空间为()字。
[填空题]科学服务的原则,是所有图书馆读者工作应当达到的()。
[多选题]审核项目贷款,必须评估( )。
A.项目贷款未来现金流预测情况
B.质权、抵押权以及保证和保险
C.贷款项目的项目建议书和可行性研究报告
D.关联企业的资产负债、财物状况
[多项选择]阀控式密封铅酸蓄电池的隔板的主要作用是()。
A. 防止正负极板内部短路
B. 吸附电解液
C. 传导汇流作用
D. 防酸隔爆作用
[判断题]劳动者在集团公司内部流动或调离的,原单位须为劳动者办理解除劳动合同手续,新单位须与劳动者重新订立劳动合同。
A.正确
B.错误
[单选题]塔西佗陷阱指的是一种社会现象,指当政府部门或某一组织失去公信力时,无论说真话还是假话,做好事还是坏事,都会被社会公众认为是说假话、做坏事。
根据上述定义,下列哪项属于塔西佗陷阱
A.商鞅打算推出新法令进行变法,怕民众不信任,他采用“立木赏金”的办法赢得了民众的信任
B.西斯家族曾经受到国王不公正的对待,因此,凡是国王提出的议案,不论好坏,他们家族一律反对
C.由于甲国多次违背盟约,当他们再次诚恳提出与乙国结盟的时候,乙国断然拒绝了
D.某公益组织为了回应老百姓普遍的质疑,聘请第三方对其接受捐赠的所有物品和去向进行了公示,但老百姓认为他们是在作秀
[单项选择]列车在双线区段正方向及()区段运行时,机车前端一个头灯及中部右侧一个白色灯光。列车尾部两个侧灯,向后显示红色灯光,向前显示白色灯光;挂有列尾装置时,为列尾装置向后显示红白相间的反射标志和一个红色灯光。
A. 多线
B. 单线
C. 双线
[单选题]瓦房店输油站生产区关键位置安装有( )个手动火灾报警按钮。
A.2
B.3
C.4
D.5
[单选题]男,78岁,最近3个月消瘦明显,伴有明显上腹部疼痛且不易缓解。既往有多年胃溃疡病史。首先需要考虑的诊断是
A. 胃溃疡复发
B. 溃疡恶变
C. 溃疡出血
D. 胃泌素瘤
E. 溃疡穿孔
[单选题]《尚书》中的“尚”是什么意思?( )
A.A、上古
B.B、崇尚
C.C、官名
[不定项选择题]出现精索静脉曲张的是
A.肾癌
B.膀胱癌
C.睾丸肿瘤
D.前列腺癌
E.前列腺增生
[填空题]某二叉树中度为2的节点有18个,则该二叉树中有______个叶子节点。
[多选题]所有工作人员(包括工作负责人)不许单独进入、滞留在( )。
A.A.高压室
B.B.室外高压设备区
C.C.蓄电池室
D.D.控制室内
[单项选择]急性腹膜炎按机制可分为()
A. 细菌性腹膜炎和非细菌性腹膜炎
B. 弥漫性腹膜炎和局限性腹膜炎
C. 原发性腹膜炎和继发性腹膜炎
D. 化脓性腹膜炎和非化脓性腹膜炎
E. 化学性腹膜炎和化脓性腹膜炎
[单项选择]
Navigation computers, now sold by most car-makers, cost $2,000 and up. No surprise, then, that they are most often found in luxury cars, like Lexus, BMW and Audi. But it is a developing technology—meaning prices should eventually drop—and the market does seem to be growing. Even at current prices, a navigation computer is impressive. It can guide you from point to point in most major cities with precise turn-by-turn directions—spoken by a clear human sounding voice, and written on a screen in front of the driver. The computer works with an antenna that takes signals from no fewer than three of the 24 global positioning system (GPS) satellites. By measuring the time required for a signal to travel between the satellites and the antenna, the car’s location can be pinned down within 100 meters. The satellite signals, along with inputs on speed from a wheel-speed sensor and direction from a meter, determine the car’s position even as it moves. This infor
A. are of more or less the same price
B. provide directions in much the same way
C. work on more or less the same principles
D. receive instructions from the same satellites
[单选题]机车车辆溜入区间或站内,为一般( )类事故。
A.C
B.A
C.B
D.D
[判断题]最高运行速度不超过140km/h的机车,机车信号设备与列车运行监控装置(LKJ)结合使用。
A.正确
B.错误
[单项选择]男性,20岁。患过敏性哮喘发作前来就诊。体检见患者严重呼吸困难伴轻度紫绀,两肺满布哮鸣音,心率110次/分,下列哪项治疗不作为首选()
A. 脱敏治疗
B. 应用激素
C. 应用β2受体激动剂
D. 补液
E. 吸氧
[单项选择]
What does the woman mean
A. The man is too busy to help her.
B. The man is unwilling to help her.
C. The man has a lot of reports to write.
D. The man has no time to finish his report.
[单选题]环状系统(或并列双回路)解环操作而引起振荡时,应()合环。
A.立即经同期
B.立即经非同期
C.立即经准同期
D.立即经自同期
[填空题]In 2007, women earned nearly two thirds of all associate degrees and 57% of all bachelor’s degrees awarded to undergraduate students, according to new data from the American Council on Education. Similarly, the report also found that women now earn the (47) of graduate degrees as well.
While the study’s results are encouraging for women, on the (48) they paint a severe picture of the country’s higher education system. In 2008, 37.5% of those between the ages of 25-34 had at least an associate degree, which is the same completion rate as those who are 45-64 years old. In other words, as the study (49) , young adults today really are no better educated than the (50) generation.
This is particularly troubling because there has clearly been an (51) desire among American families to send their children to college in recent years. In fact, between 1997-2007, the number of white students (52) in two-and four-year
[单选题]泡沫灭火器不能用于扑救( )火灾
A.A.塑料
B.B.汽油
C.C.金属钠
D.D.木材
[多选题]电缆附件安装之前,需要按照规定的尺寸剥切电缆的(____)等部分。
A.护套
B.铠装(铝护套)
C.绝缘屏蔽
D.绝缘
[单选题]列检人员要( )本站内线路、设备、建筑物及列车运行、调车作业、车辆取送等情况。
A.了解
B.熟知
C.了解相关作业
[单选题] 实际中,熔断器一般起()作用。
A.过载保护
B.失压保护
C.欠压保护
D.短路保护