热门试题:
[单项选择]设有关系R和S,关系代数表达式R-(R-S)表示的是( )。
A. R-S
B. RDS
C. RUS
D. R÷S
[判断题]证券登记结算机构本身不买卖证券,所以不需要设立结算风险基金。( )
[判断题]当微机型光纤纵差保护采用专用光纤时,两侧保护装置的通信方式应该是主-主方式,而采用复用光纤方式时两侧应采用从-从方式。
A.正确
B.错误
[单选题]计算机病毒一般是无法对硬件造成损伤的,但也有一种病毒属于变相地攻击硬件,这种病毒被称之为( )
A.恶性病毒
B.文件型病毒
C.引导型病毒
D.网络型病毒
[判断题]喷油泵下体的上、下腔之间设置有O形橡胶圈,以防止机油窜入下体上腔。
[单选题]现场勘察工作,对涉及()的作业项目,应由项目主管部门、单位组织相关人员共同参与。
A.多专业、多部门
B.多部门、多单位
C.多专业、多单位
D.多专业、多部门、多单位
[填空题]
The End of Food Has a tech entrepreneur come up with a product to replace our meals
A. In December of 2012, three young men were living in a claustrophobic (患幽闭恐惧症的) apartment in San Francisco’s Tenderloin district, working on a technology startup. They had received a hundred and seventy thousand dollars from the incubator Y Combinator, but their project—a plan to make inexpensive cell-phone towers—had failed. Down to their last seventy thousand dollars, they resolved to keep trying out new software ideas until they ran out of money. But how to make the funds last Rent was a sunk cost. Since they were working frantically, they already had no social life. As they examined their budget, one big problem remained: food.
B. They had been living mostly on ramen, corn dogs, and Costco frozen quesadillas—supplemented by Vitamin C tablets, to stave off scurvy (坏血病)—but the grocery bills were still adding up. Rob Rhinehart,
[简答题]某初一(三)班学生甲和学生乙因贪玩上网,上学迟到了半个小时,班主任王老师非常生气,对他们进行了严厉批评,并责令他们写检查,不准许进教室上课。两个学生趁王老师不注意跑到学校附近的小河洗澡,结果学生甲溺水而死。
王老师应负什么法律责任?说明理由。
[单选题]对无法交付物品应由( ),做到账物相符。
A.专人分管
B.经办人负责
C.值班员分管
D.客运主任分管
[单选题]作为调节人与人、人与社会、入与自然关系的行为规范,道德只是提倡“应当怎样”“不应当怎样”。与法律不同,如果有人不遵守道德,通常只是受到舆论的批评和良心的谴责。这体现了道德对人行为的调节具有( )
A.广泛性
B.先进性
C.非强制性
D.相对稳定性
[判断题] 防喷器的公称通径是指液压防喷器能通过的最大钻具的外径。
A.正确
B.错误
[多选题]受松散层影响或强含水层影响的工作面,掘进前必须聘请国内()单位进行可行性评价,评价可行,制定具体探测措施,经矿井()组织审查同意后严格实施,隐患解除后,经上级业务主管部门确认安全允许采掘,否则严禁采掘活动。
A.A、权威资质
B.B、资质
C.C、总工程师
D.D、矿长
[单项选择]我国《公司法》规定,股份有限公司的股东大会应当每年召开______次年会。
A. 一
B. 二
C. 三
D. 四
[单项选择]劳动、知识、人才、创造,四者是一个具有内在联系的统一体,下列说法错误的是()
A. 劳动在其中居于核心和基础地位
B. 知识是创造财富的重要资源
C. 人才的本质在于创造性
D. 核心是尊重创造
[判断题]国家鼓励迅游出租汽车实行规模化、集约化、个体化经营。
[简答题](46) John Dunlop, dean of the Faculty of Arts and Sciences from July 1970 to February 1973, thought that the most significant element in Harvard’s transition from the 1960s to the 1970s was not the student takeover of University Hall, but the institutional changes unleashed by that event. Dunlop was ideally suited to take charge in the confusing post-bust period. Forceful, self-confident, canny, he became the czar of the interregnum. He sought to restore civil discourse by engaging the faculty in institutional reform. He chaired the University Committee on Governance that Pusey and the Corporation set up in September 1969. (47) From it came a flow of subcommittee reports: on Harvard and money, faculty and student rights and responsibilities, the presidential selection process, the nature and purposes of the University, and the organization and functions of the Governing Boards and the president’s office.
The committee found a Corporation and a president overwhelmed b
[单选题](1.00分)防水混凝土结构厚度不应小于 ( )mm ,其允许偏差应为十 8mm、一 5mm;
A.20mm
B.150mm
C.300mm
D.250mm
[判断题]工具保管员负责工具保管及办理借还手续。 .
A.正确
B.错误
[判断题]雷电时,在保证安全的情况下,可以测量绝缘电阻及高压侧核相。
A.正确
B.错误
[单项选择]复议机关在审理复议案件时应准确查明行政争议产生的真相和实际情况,指的是行政复议的( )原则。
A. 合法
B. 及时
C. 准确
D. 便民
[简答题]石油产品的闪点、燃点以及自燃点之间有何差别?
[单项选择]为建立良好的程序设计风格,下列有关语句结构描述错误的是( )。
A. 在一行内只写一条语句
B. 程序编写应优先考虑清晰性
C. 程序编写要做到效率第一、清晰第二
D. 避免不必要的转移
[判断题]对于塑性较低的高强钢,焊接接头的角变形和错边对脆性断裂有较大的影响。
[单选题]客车(21、22型除外)及D17、D19g型落下孔车禁止通过()。
A.驼峰
B.机械化驼峰
C.简易驼峰
D.非机械化驼峰
[单项选择]Within 30 years, humans could be debating whether to take charge of their own evolution.
The average life span in the developed world will be 90, diseases will be diagnosed before symptoms appear, many humans will already be genetically modified and patients with heart diseases, cancer or dangerous infections will be treated with prescriptions tailored to their own genetic makeup, according to Francis Collins, one of the leaders of the project to sequence the entire human genome.
By 2010, Collins told in a major international biotechnology forum in France this week, there could be predictive tests for at least 12 hereditary conditions, and scientists would understand the role that genes played in most common diseases. Embryoes developed by in vitro fertilization methods would be routinely scanned for genetic illnesses.
Legislation to prevent genetic discrimination—the creation of an underclass denied health care, employment or insurance because of this genetic know
A. Within 30 years, humans could be debating whether to take charge of their own evolution.
B. By 2010, there could be predictive tests for at least 12 hereditary conditions.
C. Scientists would understand the role that genes played in most common diseases.
D. Embryoes developed by in vitro fertilization methods would be routinely scanned for genetic illnesses.
[多选题]关于现金流量图,下列说法不正确的有( )。
A.现金流量图是现金流入、流出的一种图示方法
B.现金流量图以横坐标表示现金的流入和流出
C.现金流量图以纵坐标表示时间
D.现金流量图以横坐标表示时间
E.流入量位于横坐标的下方,流出量位于横坐标的上方
[单项选择]唯物辩证法告诉我们,要全面地看问题,不能以偏概全;要联系地看问题,防止孤立的观点;要发展地看问题,不能静止地看问题。因此,下列理解不正确的是( )。
A. 看问题要一分为二,既要看到好的一面,又要看到不好的一面
B. 不仅要看到事物本身,而且要看到它与周围事物的联系
C. 人性都是一成不变的,对犯罪分子绝不能给他改过的机会
D. 共产主义一定会取得胜利
[单选题]《变电评价管理规定第55分册辅助设施检修策略》:电脑钥匙不能回传至五防主机时,检查( )与五防主机之间的连接,检查传输适配器本体是否运行正常,若故障进行更换。
A.监控机
B.传输适配器
C.电脑钥匙
D.显示器
[单选题]经调解达成协议后不履行的,公安机关应当依照《治安管理处罚法》的规定对违反治安管理行为人给予处罚,并( )。
A.按照达成的协议,对违反治安管理行为人依法强制执行
B.告知当事人可以就民事争议依法向人民法院提起民事诉讼
C.告知当事人可以依法向上一级公安机关提起行政复议
D.告知当事人如果双方有意愿继续接受调解,公安机关可以对违反治安管理行为人作出的处罚决定暂缓执行
[单选题]存在光伏等新能源接入的多电源线路,一般选择调压范围为()的双向调压器。
A.A、-10%~+10%、
B.B、-15%~+15%、
C.C、-20%~+20%、
D.D、-25%~+25%
[单选题]DF4B型内燃机车2ZJ接受()控制,用于柴油机冷却水温度保护
A.中间继电器
B.水温继电器
C.油压继电器
[多选题]如何查看工单的工作流历史信息()。
A.在工单的“列表”中查看
B.在工单页面中的“工作流操作信息”中查看
C.在选择操作的“查看工作流历史”中查看
D.无法查看
[判断题]高压试验作业人员在全部加压过程中,应精力集中,随时警戒异常现象发生,操作人应站在干燥的地面上。
A.正确
B.错误
[判断题]救生气垫每次使用间隔3~5秒,允许2人同时使用。( )
A.正确
B.错误
[单选题]网络边界未按要求部署安全防护设备并定期进行( )升级属于管理Ⅲ类严重违章。
A.A-软件版本
B.B-硬件设备
C.C-病毒库
D.D-特征库
[多项选择]以下车辆属于红区,限制承保的有()
A. 三轮车
B. 低速载货汽车
C. 摩托车
D. 自卸车