热门试题:
[单选题]下列在考虑电动机安装地点的因素中( )是不对的。
A.安装地点应干燥而少灰尘
B.安装地点应无腐蚀性气体
C.通风要良好
D.为少占场地,设备安装的越紧密越好
[单项选择]某内科医生出门诊,发现心脑血管系统、呼吸系统、肿瘤等疾病占大多数,为整理各系统疾病,确定指标的性质是()
A. 半定量指标
B. 定量指标
C. 等级指标
D. 分类指标
E. 定性指标
[多选题]下列关于灭火进攻路线选择的表述中,正确的是( )。
A.选择灭火进攻路线要采取最简便的方法,选择最短的距离和障碍最少的路线,并能迅速通过的地方。
B.选择灭火进攻路线要以最快的速度和最低限度的体能消耗,安全迅速地接近或到达着火部位(堵截阵地)。
C.择灭火进攻路线应利于所使用的消防器材装备迅速展开,并保证灭火战斗行动的顺利进行。
D.为防止火场内浓烟、火焰、爆炸、倒塌等对灭火行动路线的影响,在选择灭火进攻路线时,可充分依托火场内的地形、地物、建筑承重结构等条件,确保消防人员在较为安全的路线实施灭火作战行动。
E.火场指挥员要按迅速、安全、最大效能地进攻着火点的要求选择灭火进攻路线。
[多选题]低压检漏装置运行期间,每天需要检查和试验的项目包括( )。
A.局部接地极和辅助接地极的安设情况
B.欧姆表的指示数值
C.跳闸试验
D.调节补偿效果
[判断题]9防喘振阀一般还设有电磁阀,保证紧急状态或者停机状态,防喘振阀处于全关状态。(
A.正确
B.错误
[判断题]屏蔽门系统设备运行出现故障时,关门故障处理在保证安全的前提下以尽快使列车出站为原则;开门故障处理以尽快为乘客乘降提供条件为原则。
A.正确
B.错误
[判断题]判断题()完全避免起重机坠落事故发生的预防措施是操作人员必须要穿工作鞋。
A.正确
B.错误
[判断题]列车在GSM-R区段运行时,司机应配备GSM-R手持台(OPH)。列车开车前、运行中列车变更车次时,值乘司机应正确注册手持台的车次功能号码(司机手持台功能号码为81)。列车终到或司机途中换乘时,司机应及时注销手持台的车次功能号码。
A.正确
B.错误
[单选题]两块剥离边缘相距小于75mm时,每处长不得超过( )mm;
A.30
B.35
C.40
D.50
[填空题]非运营时间未准备好进路接入、发出列车属于
[单项选择]预警级别依据突发公共卫生事件的性质、可能造成的危害程度、紧急程度和发展态势可划分为()个预警级别。
A. 3
B. 4
C. 5
D. 6
[多选题]抢险救援预案的主要内容包括:灾情设定、危害特性、()等。( )
A.力量调集
B.处置程序和方法
C.注意事项
D.战斗保障
[单项选择]According to the author, a key factor in the ability to reason is ______.
[单项选择]
In department stores and closets all over the world, they are walking. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ultimately the biggest deception that exists in the fashion industry today. What are they They are high heels—a woman’s worst enemy (whether she knows it or not). High heel shoes are the downfall of modern society. Fashion myths have led women to believe that they are more beautiful or sophisticated for wearing heels, but in reality, heels succeed in posing short as well as long term hardships. Women should fight the high heel industry by refusing to use or purchase them in order to save the world from unnecessary physical and psychological suffering.
For the sake of fairness, it must be noted that there is a positive side to high heels. First, heels are excellent for aerating (使通气) lawns. Anyone who has ever worn heels on grass knows what I am talking about. A simple
A. they pose a threat to lawns
B. they are injurious to women’s health
C. they don’t necessarily make women beautiful
D. they are ineffective as a weapon of defense
[单项选择]Growing Up Colored
[A] You wouldn’t know Piedmont anymore—my Piedmont, I mean—the town in West Virginia where I learned to be a colored boy.
[B] The 1950s in Piedmont was a time to remember, or at least to me. People were always proud to be from Piedmont—lying at the foot of a mountain, on the banks of the mighty Potomac. We knew God gave America no more beautiful location. I never knew colored people anywhere who were crazier about mountains and water, flowers and trees, fishing and hunting. For as long as anyone could remember, we could outhunt, outshoot, and outswim the white boys in the valley.
[C] The social structure of Piedmont was something we knew like the back of our hands. It was an immigrant town; white Piedmont was Italian and Irish, with a handful of wealthy WASPs (盎格鲁撒克逊裔的白人新教徒) on East Hampshire Street, and "ethnic" neighborhoods of working-class people everywhere else, colored and white.
[D] For as long as anyone can remember, Piedmont’s cha
[判断题]风能、 太阳能、水能、生物质能、 地热能、海洋能全是可再生能源。
A.正确
B.错误
[单选题]行车组织指挥工作,必须坚持安全生产的方针、贯彻()的原则,各部门必须紧密配合,协同动作、确保行车和乘客的安全。
A.高度集中、统一指挥、逐级负责
B.高度集中、统一指挥
C.集中管理、统一指挥
D.高度集中、防消结合
[单选题]在调车作业中,单机运行或牵引车辆运行时,前方进路的确认由( )负责。(《技规》第292条)
A.司机
B.机车乘务员
C.学习司机
D.调车长
[单选题]列车发生火灾、爆炸时,进行甩车后,对甩下的车辆,在车站由( )负责采取防溜措施,在区间由司机、车辆乘务员采取防溜措施。(应知应会-《技规》第370条)
A.车站人员
B.工务
C.司机
D.房建
[单选题]小麦抽穗期最适的温度为( ) ℃。
A.35以上
B.30~35
C.22~30
D.16~21
[单项选择]分流器与电流表的配合使用方式有两种,分别是()。
A. 内附倍压器,外附倍压器
B. 内附分流器,外附分流器
C. 电流表,电压表
[单选题]厚度1.2mm的封边带允许厚度误差是:( )。
A.A、0.05mm/-0.05mm
B.B、0.08mm/0
C.C、0.1mm/-0.1mm
D.D、没有要求
[单项选择]患者,女,20岁,某天看见窗外落下一片纸屑,突然意识到有人在散发不利于自己的传单谣言,其症状为()
A. 反射性幻觉
B. 原发性妄想
C. 继发性妄想
D. 心因性幻觉
E. 病理性象征性思维
[单选题]架空电线路跨越接触网时,跨越接触网的电力线路电压为750KV时,距轨面最小垂直距离为( )。
A.22000mm
B.21500mm
C.21000mm
D.20000mm
[单项选择]互联网技术的迅速发展为()打造了良好的技术平台。
A. 环式沟通网络
B. 轮式沟通网络
C. 全通道式沟通网络
D. 链式沟通网路
[单选题]7~9 个月婴儿的辅助食品( )
A.水果汁、菜汤、鱼肝油制剂
B.米汤、米糊、稀粥
C.蛋黄、鱼泥、豆腐、动物血、菜泥、水果泥
D.粥、烂面、饼干、蛋、鱼、肝泥、肉末
E.稠粥、软饭、挂面、馒头、面包、豆制品、碎肉、油
[填空题]以下程序段运行后消息框的输出结果为______。
s="Access"
Dim str As String
For i=1 To Len(s)
str=UCase(Mid(S,I,I))+str
Next i
MsgBox str
[判断题]单线自动闭塞区段的车站,已向接车站预告,但列车不能出发时,发车站不需通知接车站取消预告。
A.正确
B.错误
[判断题]可根据力的可传性性质,把力的作用点沿其作用线移至任意点,而不改变它对物体作用的效果。
A.正确
B.错误
[单选题]凡使物质开始燃烧的外部热源(能源),统称为( )。
A.引火源
B.助燃物
C.点火能
D.火源
[判断题]压力容器、压力管道有毒介质泄漏,造成1万人以上5万人以下转移,属于重大事故
A.正确
B.错误
[单项选择]When does the conversation take place()
A. At 6:30.
B. At 8:00.
C. At 5:30.
D. At 6:00.
[多选题]犯罪嫌疑人刘某因涉嫌侵犯商业秘密罪在审查起诉阶段被监视居住,下列说法中错误的是()。
A.刘某未经检察机关批准,不得会见他人
B.刘某不能与其妻子、儿子住在一起
C.刘某违反监视居住规定的,可以变更为取保候审
D.刘某未经公安机关批准,不得离开住处
[判断题]自动折返可在任意站台进行。( )
A.正确
B.错误
[判断题]由电磁转差离合器组成的拖动系统,只要改变转子励磁电流的大小,就可对拖动系统进行调速。
A.正确
B.错误