热门试题:
[单选题]根据《中铁建工集团山东有限公司检测、测量和试验设备管理办法》检测设备的范围及分类,下列不属于B类检测设备的是。( )
A. 全站仪
B. 钢筋保护层测定仪
C. 经纬仪
D. 标养箱
[单项选择]不属于非甾体抗炎药的不良反应是( )
A. 肝损害
B. 肾损害
C. 胃肠道损害
D. 出血时间延长
E. 软骨损害
[判断题]灯具在处于未接入光源、光源不能正常工作或光源规格不符合要求等异常状态时,内部元件表面最高温度不应超过60℃,且不影响电池的正常充电。光源恢复后,灯具应能正常工作。
A.正确
B.错误
[判断题]SH/T0170石油产品残炭测定法(电炉法)中规定,每次称量前应将试样摇均2分钟。
A.正确
B.错误
[判断题]外国人与中国境内的商业银行等金融机构发生贷款等信用交易业务,其相关信息不会被报送到个人信用数据库。
A.正确
B.错误
[单项选择]炎性乳腺癌不伴淋巴转移属于()
A. Ⅰ期
B. Ⅱ期
C. Ⅲ期
D. Ⅳ期
E. 0期
[判断题]无人值班的变电站,全站交流电源事故停电时间应按3h计算。
A.正确
B.错误
[判断题]分析结果的准确度,很大程度上取决于煤样本的代表性。( )
A.正确
B.错误
[单选题]依据国标《电力安全工作规程(发电厂和变电站电气部分)》规定:( )指能关合、承截、开断运行回路正常电流,也能在规定时间内关合、承截及开断规定的过载电流(包括短路电流)的开关设备,也称开关。
A.变电站
B.断路器
C.隔离开关
D.熔断器
[单项选择]Roman soldiers in some places built long rows of signal towers. When they had a message to send, the soldiers shouted it from tower to tower. If there were enough towers and enough soldiers with loud voices, important news could be sent quickly over distance.
In Africa, people learned to send messages by beating on a series of large drums (鼓). Each drum was kept within hearing distance of the next one. The drum beats were sent out in a special way that all the drummers understood. Though the messages were simple, they could be sent at great speed for hundreds of miles.
In the eighteenth century, a French engineer found a new way to send short messages. In this way, a person held a flag in each hand and the arms were moved to various positions representing different letters of the alphabet (字母表). It was like spelling out words with flags and arms.
Over a long period of time, people sent messages by all these different ways. However, not until the telephone was invented i
A. people cannot sent visible information until 19th century
B. we cannot communicate without sound
C. the ways of communication are similar in different countries
D. in ancient time, enough people is necessary to send messages over distance
[多选题]主风缸在不同压力值下对列车的影响说法正确的有:( )
A.总风低于7.5bar时,启动一台空压机
B.总风低于7bar时,启动两台空压机
C.总风低于6bar时,施加紧急制动
D.总风高于7.5bar时,空压机停止工作
[单选题]大型养路机械作业中应遵守下列规定:桥上道砟厚度不足( )时,严禁捣固车捣固作业。
A.150mm
B.200mm
C.300mm
D.400mm
[单项选择]下列关于评标报告具有的共同特征中不包括的是( )。
A. 评标报告中将依法确定合格的中标人
B. 应在完成评标后编制
C. 由评标委员会经全体成员签字后向招标人提交
D. 评标报告应全面反映评标情况
[单项选择]平面任意力系平衡的必要和充分条件是()。
A. 主矢等于零
B. 主矩等于零
C. 主矢和主矩同时等于零
D. 以上都不是
[单项选择]新生儿硬肿症患儿的关键护理措施是
A. 减轻水肿
B. 逐步复温
C. 预防感染
D. 合理喂养
E. 观察病情
[判断题]可燃固体表面积越大,与空气中的氧接触的机会越多,氧化的速率越快,燃烧也就越容易。()
A.正确
B.错误
[单选题]膀胱造瘘口术后护理,错误的是( )
A.造瘘管接引流袋,并妥善固定
B.定时用 1:5000 呋喃西林行高压膀胱冲洗
C.造瘘口周围皮肤涂氧化锌油膏
D.造口管一般留置 7~14 天拔除
E.敷料渗液应及时更换
[判断题]低压带电作业,禁止使用锉刀、金属尺和带有金属物的毛刷、毛掸等工具。
A.正确
B.错误
[多选题]胆道手术后经 T型管道造影,下列哪些描述是正确的( )
A..术后 7 天可以进行造影检查
B..造影前用生理盐水冲洗胆道
C..造影时为了使胆道充分显影,可改变患者体位
D..造影后应开放 T型管引流
E..造影后有发热可用抗生素
[判断题]银行面临的风险包括信用风险、市场风险、合规风险、操作风险、流动性风险、法律风险等八大类。()
A.正确
B.错误
[单选题]各级工程管理部门建立定期生产例会制度,集团和公司至少一( )召开一次。
A.年
B.季度
C.月
D.周
[单选题]"There is no other choice,"she said in a harsh voice.
A.firm
B.soft
C.deep
D.unkind
[判断题](61130)( )真空接触器具有耐压强度高,介质恢复速度快,接通、分断能力大,电器和机械寿命长等优点。( )(2.0分)
A.正确
B.错误
[单选题]电流互感器本身造成的测量误差是由于有励磁电流存在,其角度误差使励磁支路呈现为(),使一、二次电流有不同相位,从而造成角度误差。
A.电阻性
B.电容性
C.电感性
D.阻抗性
[判断题]气瓶押运人员可坐在车厢内。
A.正确
B.错误
[单选题]生产、经营、储存、使用( )的车间、商店、仓库不得与员工宿舍在同一座建筑物内,并应当与员工宿舍保持安全距离
A.生产物品
B.办公物品
C.危险物品
D.交通工具
[单选题] 在测量电流互感器极性时,如何判断二次侧的正极(一次侧L1接电池+极,L2接-极,二次侧S1接直流电表+极,S2接-极) ( )
A.电池断开时,表针正偏,则与表+极相连的是二次侧S1|
B.电池接通时,表针正偏,则与表+极相连的是二次侧S1|
C.电池断开时,表针反偏,则与表-极相连的是二次侧S1
[单项选择]
Sleepless at Night
It was a normal summer night. Humidity (湿气) hung in the thick air.
I couldn’t go to sleep, partly because of my cold and partly because of my expectations for the next day. My mum had said that tomorrow was going to be a surprise.
Sweat stuck to my aching body. Finally, I gathered enough strength to sit up. I looked out of my small window into the night. There was a big bright moon hanging in the sky, giving off a magic light.
I couldn’t stand the pressure anymore, so I did what I always do to make myself feel better. I went to the bathroom and picked up my toothbrush and toothpaste. I cleaned my teeth as if there was no tomorrow. Back and forth, up and down.
Then I walked downstairs to look for some signs of movement, some life. Gladiator, my cat, frightened me as he meowed (喵喵地唱出) his sad song. He was on the old orange couch (长沙发), sitting up on his fr
A. A new thought
B. Different songs
C. A miserable life
D. Happy memories
[单选题]腰椎间盘突出症根据突出物位置分类有( )
A.中央型
B.侧后型
C.外侧型
D.极外侧型
E.以上都是
[多选题]划分市场结构的依据主要有
A.行业内企业数目
B.企业目标
C.企业规模
D.企业利润大小
E.产品是否同质
[多选题]下列那些情况应该扩大保护区的范围( )
A.具有纵火嫌疑的
B.起火点位置未确定的
C.电气故障引起的
D.爆炸现场
[多选题]下列属于正迁移的是( ) 。
A.数学审题技能的掌握对物理、化学审题的影响
B.在学校爱护公物的言行影响在校外规范自己的行为
C.外语学习中,词汇的掌握对阅读的影响
D.学习汉语字母发音对英语字母发音的影响
E.举一反三