热门试题:
[单选题]刀具的前角面和基面之间的夹角是()。
A.楔角
B.刃倾角
C.前角
[填空题] 生产使用化学危险品的企业应具有( )等安全措施。
[判断题]高压输电线路在每一杆塔下一般都设有接地体,并通过引线与避雷线相连,其目的是使击中避雷线的雷电流通过较低的接地电阻而进入大地。
A.正确
B.错误
[判断题]《铁路旅客运输服务质量规范》文明服务中要求,列队出(退)勤(乘)时,按规定线路行走,步伐一致,箱(包)在队伍两侧。
A.正确
B.错误
[单项选择]Some people have a more complicated sensory life than others. Most taste tuna only when they eat it. A few, though, taste it when they hear a particular word, such as "castanet". Others link the color red with the letter "S" or make some other inappropriate connection between stimulus and response. Such people are known as synaesthetes, and the phenomenon of synaesthesia has puzzled brain scientists since it was recognized over a century ago.
Most researchers in the field suspect synaesthesia is caused by crossed wires in synaesthetes’ brains, but until recently they have had no way to check this hypothesis. However, the development of a technique called diffusion-tensor imaging has changed that. And researchers at the University of Amsterdam have just applied it to the brains of 18 women (the sex more likely to experience synaesthesia) who have the most common form of the condition. This is called grapheme-color synaesthesia. It is a tendency to see letters and numbers in color.<
A. synaesthesia is partly subject to genetic influence
B. people don’t have the concept of the letter "A" when they are born
C. people’s concomitant sensation is usually swayed by learning
D. the connection between the color of red and the letter of "A" is strong
[多项选择]与对向来车发生正面碰撞且碰撞位置在驾驶人正前方时,驾驶人正确的要急驾驶姿势是什么
A. 迅速躲离转向盘
B. 往副驾驶座位躲避
C. 迅速将两腿抬起
D. 两腿蹬直
[判断题]上部超限是指由轨面起高度超过4800mm货物有任何部位超限者。( )《超规》
A.正确
B.错误
[单选题]变压器额定电压应与所连接的()相符合。
A.系统电流
B.系统电压
C.相电压
D.线电压
[单选题]接入网中常提到的FTTX,不包括?
A.FTTN
B.FTTH
C.FTTB
D.FTTC
[单选题]一办公室房间位于2个安全出口之间,建筑面积为100㎡,只设一个门,疏散门的净宽度不小于()。
A. 1.2m
B. 1.0m
C. 1.1m
D. 0.9m
[多选题]调度自动化系统由()构成。
A.主站系统
B.子站设备
C.远动系统
D.数据传输通道
[单选题]治疗克林霉素引起的假膜性肠炎应选用( )
A.林可霉素
B.万古霉素
C.羧苄四林
D.氨苄西林
E.氯霉素
[判断题] 肛温: 适用于婴幼儿、意识不清、精神异常患者; 禁用于直肠或肛门手术、 腹泻、心肌梗死病人。( )
A.正确
B.错误
[单选题]0,7,26,63,124,215,( )
A.285
B.30
C.728
D.342
[单项选择]
A. cost
B. spend
C. waste
D. lend
[单项选择]
You have been badly injured in a car accident. It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident. However, special care must be taken in selecting new blood for you. If the blood is too different from your own, the transfusion could kill you.
There are four basic types of blood; A, B, AB and O. A simple test can indicate a person’s blood type. Everybody is born with one of these four types of blood. Blood type, like hair color and height, is inherited from parents.
Because of substances contained in each type, the four groups must be transfused carefully. Basically, A and B cannot be mixed. A and B cannot receive AB, but AB may receive A or B. O can give to any other group, hence it is often called the universal donor. For the opposite reason, AB sometimes called the universal recipient. However, because so many reactions can occur in transfusions, patients usually receive only salt or plasma until their b
A. AB
B. B
C. O
D. None of the above
[单选题]机顶盒与RMS远程管理平台间使用的管理协议是( )
A.SNMP
B.TR069
C. CMIS/CMIP
D. LMMP
[单选题]KYN28-10型高压开关柜小车室内的主回路触头盒遮挡帘板具有()的作用。
A.保护设备安全;
B.保护断路器小车出、入安全;
C.保护小车室内工作人员安全
[多项选择]遗传密码的基本特点是()
A. 两个密码子之间无间隔
B. 大多数氨基酸有多个密码子
C. 密码子的简并性主要表现在密码子的第三个碱基上
D. 所有密码子均由三个连续的核苷酸组成
[判断题]《中华人民共和国海关法》规定,进出口货物,除另有规定者外,由海关准予注册的报关企业或者有权经营进出口业务的企业负责办理报关纳税手续。 ( )
[多选题]执勤战斗预案应当根据辖区灾害事故风险调查和评估结果,着眼( )情况下灭火与应急救援任务的需要而制定,并保持与政府相关突发事件应急预案相衔接。
A.最大、最难
B.最危险
C.最复杂
D.最不利
[多项选择]在修改图形的大小时,若想保持其长宽比例不变,应该怎样操作?()
A. 用鼠标拖动四角上的控制点
B. 按住Shift键,同时用鼠标拖动四角上的控制点
C. 按住Ctrl键,同时用鼠标拖动四角上的控制点
D. 在"设置图片格式"中锁定纵横比
[单选题]在Word 2010中,当文档中插入图片对象后,可以通过设置图片的文字环绕方式进行图文混排,下列哪种方式不是Word提供的文字环绕方式( )
A. 四周型
B. 衬于文字下方
C. 嵌入型
D. 左右型
[单选题]全站停电,可填用一张电气( )。
A.第一种工作票
B.第二种工作票
C.紧急抢修单
D.带电作业工作票
[单选题] 以下哪一项不属于正线杂散电流腐蚀防护方法?( )
A.设置杂散电流主收集网
B.设置杂散电流辅助收集网
C.设置轨电位限制装置
D.设置排流柜及排流端子
[判断题]十九大报告指出,要倡导创新文化,强化知识产权创造.保护.运用。
A.正确
B.错误
[判断题]废水中的无机污染物主要有无机酸和无机碱,可溶性氯化物、氨及其化合物、重金属及其化合物等。( )
A.正确
B.错误
[多项选择]市场经济运行的基本规律包括( )。
A. 价值规律
B. 竞争规律
C. 供求规律
D. 协作规律
[判断题]熄焦车运行过程中需停车时,可挂反向档减速.停车。 ( )
A.正确
B.错误
[单选题]《中国铁路南昌局集团有限公司“铁路e卡通”使用管理办法》(南铁客[2021]262号)中规定,旅客乘车扫码出站后,如需打印报销凭证,应自乘车之日起( ),持注册时使用的二代居民身份证原件到开通“铁路e卡通”业务的车站自动售票机办理。
A.90天内
B.180天内
C.90天内(含当天)
D.180天内(含当天)
[单项选择]从仪表往外放水银时,在任何场所,都需放入盛有()的容器内。
A. 酒精
B. 甘油
C. 清水
[多选题]压力容器投运前应对( )进行检查。
A.设备
B.阀门
C.安全附件、仪表
D.水、电、气等
[单选题]当更换传动皮带后需要用( )把传动皮带张紧。
A. 张紧器
B. 中间轮
C. 曲轴皮带轮
D. 惰轮
[单选题]当建筑物首层发生火灾,消防应急广播应进行( )广播。
A.着火层及相邻的上下层
B.本层、二层及地下各层
C.地下各层及首层
D.起火的防火分区及其相邻的防火分区
[填空题]党的二大确定的党的最高纲领和最低纲领是:最高纲领是组织( ),用阶级斗争的手段,建立劳农专政的政治,铲除私有财产制度,渐次达到一个共产主义的社会。最低纲领是消除内乱,打倒军阀,建设国内和平;推翻国际帝国主义的压迫,达到中华民族完全独立;统一中国为真正的民主共和国。
[简答题]电气故障处理时哪些情况可自行处理,对发电厂全厂停电事故的处理原则什么?