热门试题:
[判断题]转子匝间短路严重，转子电流达到额定值，无功仍然很小，应申请停机。（ ）[1.0分]
A.正确
B.错误
[判断题]在周围环境不会危及生命的情况下，可以随便搬动伤员。( )
A.正确
B.错误
[判断题]车站在岔线、段管线、货物线取送车前应按规定提前通知有关人员。有关人员接到通知后应停止相关作业并采取相应的安全措施。
A.正确
B.错误
[单项选择]国家为了加强安全生产监督管理工怍．针对某些危险性较高的特殊领域．专门建市了国家（）机制。
A. 监督
B. 监察
C. 检查
[单选题]有根尖瘘管的患牙，根充后桩冠修复开始的时间一般为
A.3天后
B.1周后
C.2周后
D.瘘管闭合后
E.无自觉症状后
[单选题] 下列属于建制单位的队列动作是?( )
A.脱帽,戴帽
B.整齐,报数
C.坐下,蹲下,起立
[单选题] Which of the following is not a proposal to deal with abuses in the mutual fund industry?
A. Strictly enforce the 4:00 pm net asset value rule.
B. Make redemption fees mandatory.
C. Disclose compensation arrangements for investment advisers.
D. Increase the number of dependent directors.
[多项选择]具有履行海关事务担保能力的法人、其他组织或者公民可以以( )提供担保。
A. 海关依法认可的其他财产、权利
B. 汇票、本票、债券、支票、存单
C. 银行或者非银行金融机构的保函
D. 人民币、可自由兑换货币
[单选题]根据变电一次设备标准缺陷库，分散式电力电容器放电线圈介损不合格，危急缺陷的分类依据是（ ）。
A.试验数据严重超标，设备无法继续运行
B.试验数据超标，可短期维持运行
C.试验数据超标，仍可长期运行
D.试验数据异常，仍可长期运行
[单项选择]下列选项中，（）是现代市场经济中各行各业所呼唤的一个基本原则，也是人际关系建立、维持和发展所必须遵循的一个基本原则。
A. 诚信原则
B. 平等原则
C. 互惠互利原则
D. 宽容原则
[简答题]利用万用表检测粘贴应变片的内在质量时，需检测哪两个项目？
[简答题]井下钻具的种类、规格、钢印号、长度及其连接顺序应做到与钻具记录一致，若连接顺序改变，应在钻具记录上标注。
[单选题]听证在实质上是当事人行使陈述.申辩权的特别程序，因此当事人有权向听证主持人提供与案件有关的材料.证据，主持人应予( )。
A.审查并收录在案
B.登记
C.审查
D.审查并登记在案
[单项选择]
Career education is instruction intended to help young people identify, choose, and prepare for a career. Such instruction may focus on a person’s role in work, leisure, or family life. Career education differs from vocational education, which is designed to teach specific occupational skills.
Career education includes the formal and informal learning that occurs in the family, in the community, and in schools. In school, career education consists of instructive activities included in many courses. These activities are designed to improve the attitudes, knowledge, and skills important for work roles. Career education helps students develop self-understanding and use it to plan their education and working life.
A complete career education program in school begins in kindergarten and continues at least through high school. Many colleges and universities also offer career education through their counseling programs. In kindergarten and elementary school, youngs
A. not only teachers but alto parents are responsible for the career education
B. in high school, students know more specific information about occupations
C. career education may be in classroom, small group, or individual sessions
D. teachers use a variety of methods to provide career education, including films
[单项选择]“少小离家老大回，乡音无改鬓毛衰；儿童相见不相识，笑问客从何处来。”下列说法中与这首古诗体现的哲理相一致的是（）
A. 离离原上草，一岁一枯荣
B. 江山易改，本性难移
C. 金无足赤，人无完人
D. 种瓜得瓜，种豆得豆
[多项选择]下列情况中应对企业固定资产全额计提减值准备的有( )。
A. 固定资产陈旧过时或发生实体损坏
B. 固定资产由于技术进步等原因已经不可使用
C. 固定资产市价大幅度下跌并且预计近期内不可能恢复
D. 固定资产已遭损坏以至于不再具有使用价值和转让价值
E. 固定资产长期闲置不用，在可预见的未来不会再使用且无转让价值
[简答题]变、配电站的钥匙与电力电缆附属设施的钥匙应专人严格保管，使用时要登记。
[判断题]天气恶劣时车站要提早准备列车进路，信号机一经开放，不准变更。（ ）（应知应会-《行规》第100条）
A.正确
B.错误
[判断题]细菌外毒素能选择性地作用于各种不同组织、引起特有的病理变化。
[多选题]接触网作业中，禁止使用（ ）或（ ）的工具。
A.长期存放
B.试验不合格
C.无反光标示
D.超过试验周期
[多选题]专业分包商需将施工作业票（）报施工项目部备案，经施工项目部培训考核合格后方可开票。
A.项目经理
B.签发人
C.工作负责人
D.安全监护人
E.略
F.略
[单选题]动轮踏面制成两段斜面的目的之一是踏面有锥度，能够使踏面与（ ）接触面减少，降低了摩擦阻力。
A. 轨肩
B. 轨面
C. 轨缝
D. 钢轨内侧
[单选题] 高瓦斯矿井、瓦斯矿井的高瓦斯区域，必须使用安全等级不低于()级的煤矿许用炸药。
A.二
B.三
C.四
[单选题]有丝分裂与无丝分裂的主要区别在于后者( )。
A.不经过染色体的变化，无纺锤丝出现
B.经过染色体的变化，有纺锤丝出现
C.遗传物质不能平均分配
D.细胞核先分裂，核仁后分裂
[简答题]盒中装着标有数字1，2，3，4的乒乓球各2个，从盒中任意取出3个球，求下列事件概率．
1.A={取出的3个球上最大的数字是4}．
[判断题]使用液压破拆工具组时，要注意剪切、扩张、撑顶的对象是否符合该器材的性能要求。
A.正确
B.错误
[判断题]CRH系列动车组供电制式为单相AC25KV 60HZ。
A.正确
B.错误
[单选题]Ⅲ型混凝土轨枕的质量为( )。
A.240kg
B.250kg
C.270kg
D.320kg
[多项选择]
下列哪些激素是与核受体结合而发挥作用( )
A. 糖皮质激素
B. 雄激素
C. 甲状旁腺素
D. 雌、孕激素
E. 1,25(OH)2 D3
[单项选择]一对色盲夫妇，生育了一个XXY的色盲男孩，下列哪项不可能是致病来源（）
A. 精子形成过程中，减数第一次分裂同源染色体未分离
B. 精子形成过程中，减数第二次分裂相同染色体未分开
C. 卵细胞形成过程中，减数第一次分裂同源染色体未分离
D. 卵细胞形成过程中，减数第二次分裂相同染色体未分开
[判断题]GB/T14405-1993《通用桥式起重机》规定,起重机运行机构应设扫轨器、限位器、缓冲器( )
A.正确
B.错误
[单选题][单选题]更换火花间隙等开路作业时,应使用短接线先行短接,设置短接线时不得影响()。
A.作业
B.轨道电路
C.信号回路
D.回流回路
[单项选择]Opponents of affirmative action say the battle over the use of race in college admissions is hardly over, despite the Supreme Court’s ruling Monday upholding the goal of a diverse student body. Higher education leaders overwhelmingly hailed the decision, saying it reaffirmed policies used by must selective colleges and universities. But some critics raised the possibility of more lawsuits, and promised to continue pressuring the Department of Education’s Office of Civil Rights to investigate questionable policies. "we’re talking about admissions programs, scholarships, any program... only for minorities or in which the standards used to judge admissions are substantially different," says Linda Chavez, founder and president of the Center for Equal Opportunity, a conservative non-profit group.
Others say they’ll take their case to voters. "We have to seriously contest all this at the ballot box," says University of California regent Ward Connerly, who helped win voter approval of Ca
A. no admission policies based on race should be implemented
B. minority applicants should be given favorable considerations
C. different standards for admitting minority students should be set up
D. selective colleges and universities should be punished for their discriminatory policies
[简答题]请简述单位银行结算账户按用途分为哪几类账户，其相互关系如何？
[单选题]用电压表测量电路中某两点间的电压时，电压表( )。
A.应串在这两点间
B.应并在这两点间
C.串联和并联都可以
D.根据现场情况而确定是并联还是串联在电路中
