热门试题:
[判断题]参与优先股票是一般意义上的优先股票,其优先权不是体现在股息多少上,而是在分配顺序上。( )
[单项选择]建立一个完善的安全生产责任制的总要求是( ),并由生产经营单位的主要负责人组织建立。
A. 纵向深入,横向拓宽
B. 横向到边,纵向到底
C. 横向深入,纵向收拢
D. 横向收缩,纵向放宽
[判断题]H2101关闭过程中要注意P-2101泵压力变化,如异常则及时停止切换。
A.正确
B.错误
[单选题]"A系列麻醉机创新性的操作界面能给用户带来以下惊喜体验,除了哪一项?( )
A.通过虚拟键盘快速设置参数
B.无需进入菜单,最多通过2步点触即可进入所需功能
C.属性页显示内容符合逻辑,支持本能操作,即便第一次接触A系列麻醉机的用户也不会感到有任何操作困难
D.屏幕冻结功能,可通过活动游标测量波形参数,而且能把屏幕冻结图形导出
[单选题].S700K型电动转辙机的动作程序与ZD6型直流电动转辙机的动作程序大致相同,即()。
A. 断表示一解锁一转换一锁闭一给出另一位置表示
B. 解锁一断表示一转换一锁闭一给出另一位置表示
C. 解锁一转换一断表示一锁闭一给出另一位置表示
D.解锁一转换一锁闭一断表示一给出另一位置表示
[单选题] 在打包机进料门和计量门气缸的各接口的接管上,均有一个( ),作用是对回气进行节流。
A.排气阀
B.单向阀
C.气水分离器
D.调速阀
[判断题]不同债务的信用风险是不一样的,一般政府债券不履行债务的风险最低。( )
[判断题]对光源进行强度调制的方法有三类,即直接调制、间接调制和耦合调制。 ( )
A.正确
B.错误
[多选题]严禁在有毒区域(),或从事其他与抢险救援无关的事项。
A.进食
B.饮水
C.坐、躺
D.休息
E.略
F.略
[单项选择]Questions 11-13 are based on the following dialogue.What was the problem with the ABC Computer Company
A. They got a wrong order number from the caller.
B. They failed to deliver the computers on time.
C. They couldn’t find the order form.
D. They made a wrong delivery.
[判断题] ZPW-200A轨道电路信号传输应采用铁路数字信号电缆,两个频率相同的发送与接收不能使用同一根电缆。
A.正确
B.错误
[判断题]机电设备运行时,操作人员允许将头、手、身伸入运转的机械行程范围内。( )
A.正确
B.错误
[多选题]收费作业程序的规范可以使管理工作更加严密细致,收费员上岗前正确的准备工作是。( )
A.上岗人员在上岗前15分钟向班长报到;
B.按规定着装,佩戴证章,整理上岗所需必备物品;
C.清理兜内私款;
D.班长清点人数,缺勤人员报值班站长;
E.站内列队,站级管理员讲评工作安排及要求;
F.班长分配收费员上岗的车道,提出工作要求;
G.班长带领收费员统一列队上岗。
[单项选择]You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?()
A. Immediately following statement execution
B. After the ALTER TABLE DROP UNUSED COLUMNS command is issued
C. After the ALTER TABLE SET UNUSED COLUMN command is issued
D. After the ALTER TABLE MODIFY command is issued
[单项选择]1936年12月12日,东北军一部以迅速行动包围临潼华清池,扣押了蒋介石。张学良和杨虎城向全国发出停止内战、一致抗日的通电。这便是震惊中外的()。
A. 上海事变
B. 南京事变
C. 西安事变
D. 皖南事变
[多项选择]下列关于供役地和需役地的说法正确的有()。
A. 允许他人通行的为供役地
B. 需役地是指具有地役权的土地
C. 设立地役权通常会使需役地的价值下降
D. 供役地与需役地的价值都上升
E. 设立地役权通常会使供役地的价值下降
[单选题]The project workbook is not so much a separate document as it is a structure imposed on the documents that the project will be producing anyway.All the documents of the project need to be part of this ( ). This includes objectives ,external specifications , interface specifications , technical standards , internal specifications and administrative memoranda(备忘录).Technical prose is almost immortal. If one examines the genealogy ( Ff ) of a customer manual for a piece of hardware or software , one can trace not only the ideas , but also many of the very sentences and paragraphs back to the first ( ) proposing the product or explaining the first design. For the technical writer, the paste-pot is as mighty as the pen.Since this is so, and since tomorrow's product-quality manuals will grow from today’s memos, it is very important to get the structure of the documentation right. The early design of the project (请作答此空) ensures that the documentation structure itself is crafted, not haphazard. Moreover, the establishment of a structure molds later writing into segments that fit into that structure.The second reason for the project workbook is control of the distribution of ( ). The problem is not to restrict information, but to ensure that relevant information gets to all the people who need it.The first step is to number all memoranda, so that ordered lists of titles are available and h worker can see if he has what he wants. The organization of the workbook goes well beyond this to establish a tree-structure of memoranda. The ( ) allows distribution lists to be maintained by subtree, if that is desirable.
A.TITLE
B.LIST
C.WORKBOOK
D.QUALITY
[多项选择]围产期保健原则中哪项是正确的
A. 定期产前检查
B. 保证孕期营养
C. 积极预防感染
D. 注意孕期用药
E. 避免接触放射线和有毒物质
[单项选择]商业银行销售不需要审批的理财计划前,也应向中国银行业监督管理委员会或其派出机构报告。商业银行最迟应在销售理财计划前( ),将规定资料按照有关业务报告的程序规定报送中国银行业监督管理委员会或其派出机构。
A. 5日
B. 10日
C. 15日
D. 20日
[单选题] 对牵引变电所( )测量1次地网电压分布情况。(职工)(应知应会-西铁供〔2019〕14号第33条)
A.每6个月
B.每年
C.每2年
D.每3年
[单选题]能分泌盐酸的细胞是
A.主细胞
B.壁细胞
C.颈黏液细胞
D. 内分泌细胞
E.潘氏细胞
[单选题]CRH380D型动车组IDU登录密码是 。
A.7717
B.5515
C.2482
D.2324
[判断题]《危险货物道路运输安全管理办法》规定,有限数量危险货物包件不得与爆炸品混合装载。
A.正确
B.错误
[多选题]VVVF是指( ),ATC是指( )。
A.辅助控制单元
B.制动控制单元
C.牵引控制单元
D.列车自动控制系统
[单选题]毒物的剂量与效应之间的关系称为( )。
A. 毒性
B. 中毒
C. 剧毒
D. 高毒
( )
[填空题]. 在进行槽面油气显示观察时,需要记录槽面 ( ) 情况和槽内钻井液流动状态。[每空1分]
[多选题] "生产经营单位必须执行依法制定的保障安全生产的( )标准。
A.国家
B.地方
C.行业
D.企业"
[多选题]省、自治区、直辖市劳动能力鉴定委员会和设区的市级劳动能力鉴定委员会分别由两级社会保险行政部门、卫生行政部门( )组成。
A.工会组织
B.企业协会代表
C.经办机构代表
D.用人单位代表
[判断题]在源和工件之间放置滤板减小散射线的措施对于平板工件照相并不适用。
[单选题]下列对船舶保险共同海损赔款的陈述错误的是( )。
A.按照保险条款规定承保的共同海损损失,其起因必须是由于保险危险引起的
B.共同海损的赔偿金额必须以所交保险费为计算基础
C.按共同海损理算规则合同列为共同海损费用的项目,保险公司应予以负责
D.保险公司赔付共同海损损失和垫付的共同海损费用的应收收利息
[单项选择] The Ivy League is an association of eight universities in the northeast United States, which have high academic and social status. It comprises Brown, Columbia, Cornell, Dartmouth, Harvard, Princeton, the University of Pennsylvania, and Yale.
All of the Ivy League universities share some general characteristics: They are among the most prestigious and selective universities in the U.S.; they consistently place close to the top of college and university rankings; they rank within the top one percent of the world’’s universities in terms of financial endowment; they attract top-tier students and faculty (although many undergraduate classes are taught by graduate students or adjunct faculty — the extent of this practice varies greatly, for example, Brown University and Columbia University require all their professors to teach undergraduates as part of their university-college models, and Dartmouth College simply avoids letting graduate students teach undergraduates in most cases)
A. They follow the practice of other universities.
B. They usually won’’t offer athletic scholarships to students.
C. They are often inconsistent in their practice regarding athletic scholarships.
D. They hold athletic scholarships the most important of all.
[判断题]内网已有的一般栅格地图是由矢量地图的黑夜样式切割得来的。
A.正确
B.错误
[单选题](id9947)根据公司最新差错标准,由于机组原因,导致飞行中低于各类安全限制高度的(含航线最低高度、扇区安全高度、最低超障高度等)或进近中未按机型程序要求,航空器低于进近图中规定的高度限制100英尺(含)以上
的,构成飞行安全严重差错。
A.对
B.错
[判断题]删回火用来消除铸、锻、焊零件的内应力,降低硬度,易于切削加工,细化金属晶粒,改善组织,增加韧性。
[单选题]钢丝绳应按出厂技术数据使用。无技术数据时,应进行单丝破断力试验。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]某正线曲线半径为350<R≤450,用20m弦测量,圆曲线正矢最大最小值差的日常保持容许偏差管理值为( )mm。
A.9
B.12
C.15
D.18
E.21
F.24
[判断题]( )在开泵、停泵时,将引起管道中液体的运动状态发生急剧变化,管道中会出现水击。
A.正确
B.错误