热门试题:
[单选题]客车(动车组)运行故障图像监测联网应用系统( )服务器接收铁路局下发的管内重点车辆信息。
A.总公司
B.探测站
C.段级监控中心
D.检修所
[单项选择]以下哪一项不是肾阴虚经断前后诸证的主症()
A. 头晕目眩,耳鸣
B. 头部面颊阵发性烘热,汗出
C. 五心烦热
D. 腰膝酸痛
E. 形寒肢冷
[单选题]地震、台风、洪水、泥石流等灾害发生时,巡视人员与派出部门之间应保持通信联络。
A.正确
B.错误
C./
D./
E./
F./
[判断题] 判断题 重大事故隐患治理方案内容不包括经费和物资的落实。( )
A.正确
B.错误
[单项选择]地球()产生了地球上的昼夜变化,地球()及黄赤交角的存在造成了四季的交替()
A. 自转公转
B. 公转自转
[单选题]( )通常以轮训的形式分期分批进行。(易)
A.按建制训练
B.按对象分训
C.按专业分训
D.基地训练
[单选题]下载:使用:卸载
A.创新:试点:推广
B.复习:考试:录取
C.污染:治理:举报
D.签约:执行:违约
[判断题]沿垂直力线方向打磨焊缝可以提高对接接头的疲劳强度。
A.正确
B.错误
[单项选择]Flying over a desert area in an airplane, two scientists looked down with trained eyes at trees and bushes. After an hour’s flight, one of the scientists wrote in his book. "Look here for probable metal. " Scientists in another airplane, flying over a mountain area, sent a message to other scientists on the ground, "Gold possible. " Walking across hilly ground. four scientists reported, "This ground should be searched for metal. " From an airplane over a hilly wasteland a scientist sent back by radio one word: "Uranium. "
None of the scientists had X-ray eyes: they had no magic power of looking down below the earth’s surface. They were merely putting to use one of the newest methods of locating minerals in the ground... trees and plants as signs that certain minerals may lie beneath the ground on which the trees and plants are growing.
This newest method of searching for minerals is based on the fact that minerals deep in the earth may affect the kind of bushes and trees that
A. Scientists Searching for Metals with Special Power
B. New Methods of Searching for Minerals
C. Gold Could Be Found by Trees and Plants
D. A New Method of Searching for Minerals—Using Trees and Plants
[判断题]消防救援队伍核生化事故()处置专业队伍,应建立专业队员健康档案,定期开展职业体检。()
A.正确
B.错误
[多选题]前置后驱汽车的地板拱起,能起到( )作用。
A.传动轴通道
B.排气管通道
C.增加地板刚性
D.通风效果好
[填空题]法律发展史上曾先后产生过以下哪几种类型的法律制度?( )( )( )( )。
[单选题]对带电设备不能使用()灭火
A.干式灭火器
B.泡沫灭火器
C.1121灭火器
D.二氧化碳灭火器
[单选题]根据车辆与轨道之间的关系可以将单轨交通车辆分为跨坐式和( )两种。
A.独坐式
B.吊挂式
C.侧挂式
D.悬挂式
[单选题]下列关于公文密级和保密期限标注正确的是( )
A.机密★五年
B.机密五年
C.★机密五年
D.机密★5年
[填空题]油库清罐作业期间,对可燃气体检测每4h不应少于( )次。当测定数值在爆炸下限的( )以上时,须用2台同型号、同规格的可燃性气体检测仪进行重复测定。
[单选题]同一单位的同一场所、设备、线路等,由于同一原因,在( )小时内发生多次故障构成事故时,可统计为一次事故。
A.8
B.12
C.24
D.100
[单项选择]离心式注水泵流量的测量方法有()种。
A. 1
B. 2
C. 3
D. 4
[判断题]屋面水平出入口的附加防水层宜空铺或点粘,平面部分宜铺至踏步下,与防水层之间应满粘。
A.正确
B.错误
[多选题]用电设施安装或使用不规范是引发电气火灾事故的重要因素之一,下列用电设施的安装方案中,正确的有()。
A.采用A 级材料将配电箱箱体与墙面装饰布隔离
B.开关和插座直接安装在墙面的木饰面板上
C.白炽灯直接安装在木纹人造板吊顶上
D.敷设在吊顶内的配电线路穿金属管保护
E.吊灯安装在塑料贴面装饰板下
[单项选择]肾虚脚气可选用
A. 防己黄芪汤
B. 二妙散
C. 鸡鸣散
D. 肾气丸
E. 萆藓分清饮
[判断题]事故发生在站内,应当在10分钟内开通电话、一小时内开通图像;事故发生在区间,应在一小时内开通电话、二小时内开通图像。
A.正确
B.错误
[单项选择]MS从专用模式到空闲状态,依次使用的信令信道为()
A. SDCCH-SDCCH-TCH-FCCH
B. SDCCH-SDCCH-TCH-FACCH
C. CCCH-SDCCH-TCH-FACCH
[单选题]接地线截面积应满足装设地点短路电流的要求,且高压接地线的截面积不得小于( )。
A.16平方毫米
B.25平方毫米
C.36平方毫米
D.20平方毫米
[简答题]1976年发生的“四五”运动,为粉碎江青反革命集团奠定了______________基础。【填空题】
[单项选择]A great change in agriculture in the 19th century included two things: the invention of labor-saving machines and the development of scientific agriculture. Labor-saving machines naturally appeared first where more labor was needed. "In Europe," said Thomas Jefferson, "the object is to make good use of their land, labor being abundant(充裕的); here it is to make good use of our labor, land being abundant." It was in America, therefore, that the great advances in the 19th century agricultural machines first came.
At the opening of the century, with the exception of a crude plow, farmers could have carried practically all of the existing agricultural tools on their backs; by 1860, most of the machines in use today had been designed in an early form. One of the most important early inventions was the iron plow. As early as 1790 Charles Newbold of New Jersey had been working on the idea of a cast-iron plow and spent his entire fortune in introducing his invention. The farmers, however, w
A. Europe was changing more quickly than America
B. Europe had greater need of farm machines than America did
C. America was finally running out of good farmland
D. there was a lack of workers in American farms
[单选题]供电单位或施工单位到用户工程或设备上检修(施工)时,工作票应由有权签发的()签发。
A.供电单位
B.用户单位、施工单位或供电单位
C.用户单位或供电单位
D.施工单位或用户单位
E.略
F.略
[单选题]关闭丙烷液化气喷枪应()。
A.先关闭喷枪开关
B.先调小火焰
C.先关闭气罐角阀
D.先关闭液化气瓶阀门
[单选题]调度所调度交换机干线、局间、区段调度电路主备冗余通道试验属于( )检修项目。
A.季
B.半年
C.年
D.月
[单项选择]噎膈痰气交阻型应用方剂为()。
A. 启膈散
B. 五磨饮子
C. 通幽汤
D. 五汁安中饮
E. 右归丸
[判断题]有关行车人员必须执行列车调度员命令,服从调度指挥。( )
A.正确
B.错误