热门试题:
[单选题]轴流转桨式机组主轴检修,水轮机与发电机大轴分解前,应事先装设转轮与水导轴承间( )等固定装置。
A.A.螺栓
B.B.法兰
C.C.卡环
D.D.仪表
[单选题]井控装置是一种钻井工艺装置。利用井控装置可以及时发现、控制、处理溢流,到达重建井底压力平衡的目的。下列关于井控装置的操作方法的说法中,错误的是( )。
A.闸板防喷器打开后,要检查闸板是否全开,不得停留在中间位置,以防钻具损坏闸板
B.用环形防喷器作业,必须使用18°接头的钻具,过接头时,起、下钻速度不得大于1m/s
C.应用闸板防喷器作业,进入油气层后,每周应开启闸板1次,检查手动锁紧装置是否开关灵活
D.应用环形防喷器作业,进入油气层后,每起下钻2次,要试开关防喷器1次,检查封闭效果
[判断题]电动机定子和转子之间留有一定的间隙称为气隙。( )
A.正确
B.错误
[判断题]生产经营单位应当每季、每年对本单位事故隐患排查治理情况进行统计分析,统计分析表应当由生产经营单位安全总监签字。( )
A.正确
B.错误
[不定项选择题]用于治疗严重水肿的药物是( )。
A.呋塞米
B.氨苯蝶啶
C.葡萄糖
D.氢氯噻嗪
E.螺内酯
[单项选择]Scientists around the world are racing to learn how to rapidly diagnose,treat and stop the spread of a new,deadly disease.SARS—Severe Acute Respiratory Syndrome—was (1) for the first time in February 2003 in Hanoi, (2) since then has infected more than 1,600 people in 15 countries,killing 63.At this (3) ,there are more questions than answers surrounding the disease.
Symptoms start (4) a fever over 100.4 degrees F,chills,headache or body (5) .Within a week,the patient has a dry cough,which might (6) to shortness of breath.In 10% to 20% of cases,patients require (7) ventilation to breathe.About 3.5% die from the disease.Symptoms (8) begin in two to seven days,but some reports suggest it (9) take as long as 10 days.Scientists are close to (10) a lab test to diagnose SARS.In the meantime,it is diagnosed by its symptoms.There is no evidence (11) antibiotics or antiviral medicines help,<
A. which
B. that
C. whether
D. what
[单选题]天窗按用途分为施工天窗和维修天窗,由( )在编制运行图时预留,并负责公布。
A.运输处
B.客运处
C.货运处
[多项选择]企业物流的垂直结构,包括()。物流系统通过它们的协调配合实现其总体功能。
A. 规划层
B. 作业层
C. 信息层
D. 控制层
E. 管理层
[单选题] Y/△-11接线的变压器,二次侧线电压超前一次侧线电压的角度差是( )。
A.330°
B.300°
C.30°
D.0°
[填空题]Lessons from the 1918 Flu
The last time a now influenza virus reached pandemic levels was in 1968, but the episode was not significantly deadlier than a typical had fin season. Few people who lived through it even knew it occurred. Still, it killed 34,000 Americans. The 1918 pandemic was far more lethal. It killed 675,000 Americans at a time when the U.S. population was 100 million. Fifty million to 100 million people purished worldwide in the 1918 pandemic, according to Nobel laureate F. Macfarlane Burnet. The flu killed more people in 24 weeks than AIDS has ’killed in 24 years. The difference in the death toll between 1918 and 1968 had little to do with such medical advances as antibiotics for secondary bacterial infections. The 1968 virus was simply much less virulent. But it wasn’t just the virus. As with Hurricane Katrina, some of the deaths in 1918 were the government’s responsibility. Surgeon General Rupert Blue was his day’s Mike Brown. Despite months of indicatio
[单选题]在相应于所有发动机程序的复飞形态下,在速度不大于1.4VS时,单发最小稳定梯度为?
A.2.10%
B.2.50%
C.2.30%
D.3%
[多项选择]在精神分析治疗过程中,治疗性对话包括的内容有()。
A. 自由联想
B. 诠释
C. 关系建立
D. 情景建立
E. 治疗性倾听
[单选题]一级动火作业,间断时间超过( ),继续动火前,应重新测定可燃气体、易燃气体的可燃蒸汽含量,合格后方可重新动火。
A.30min
B.1.0h
C.2.0h
D.3.0h
[单选题]在原工作票的安全措施范围内增加工作任务时,应由()征得()和()同意,并在工作票上增填工作项目。
A.A. 工作负责人、工作票签发人、工作许可人
B.B. 工作票签发人、工作负责人、工作许可人
C.C. 工作许可人、工作负责人、工作票签发人
D.D. 以上都不对
[单选题]
外周血中,以下哪一项血小板数为血小板减少
A.低于400 X 109 / L
B.低于30OX109 / L
C.低于200X109 / L
D.低于l00X109 / L
[单选题]在应变电测中关于温度补偿的表述,不正确的选项是( )
A.温度补偿片与应与工作片同规格
B.温度补偿片应与工作片处于相对的桥臂中
C.温度补偿片应与工作片处于同一温度场
D.一个补偿片可补偿多个工作片
[判断题].依法治国首先是依法执政。()
A.正确
B.错误
[单项选择]短期借款利息核算不会涉及到的账户是()。
A. 销售费用
B. 应付利息
C. 财务费用
D. 银行存款
[单选题]缓冲溶液中加入少量的酸或碱后,其pH值( )。
A.不会改变;
B.几乎不变;
C.有很大变化;
D.不一定会变;
[判断题]计算旅客票价的起码里程卧铺票400千米(特殊区段另有规定者除外)。
A.正确
B.错误
[填空题] 战略客户必要条件包括( )、( )、( )、三个方面。
[单选题]劳动者的权利有取得劳动( )的权利。获得劳动( )保护的权利。
A.薪酬卫生
B.福利安全
C.薪酬卫生
[单选题]作为消防救援队伍的一员,要从( )等方面提升能力素质。
①练就过硬本领 ②丰富科学文化知识
③培育战斗精神 ④增强思想政治素质
⑤树牢安全意识
A.①③④⑤
B.①②③④
C.②③④⑤
D.①②③④⑤
[判断题]所用变压器是供本变电所使用的低压交流电源,主要供站内直流系统充电机电源和主变潜油泵和风扇的冷却电源,要求可靠,一般不允许作为外接电源使用。
A.正确
B.错误
[单项选择]根据我国民事诉讼法的规定,人民检察院对民事案件进行抗诉,( )。
A. 应当在两年内提出
B. 应当提交抗诉书
C. 应当以检察长的名义提出
D. 应当由同级人民检察院提出
[判断题]钢的含碳量越高,其强度、硬度越高,塑性、韧性越好。( )
A.正确
B.错误
[单选题] ( 单选题 ) 关于对熔化焊操作中触电人员的急救措施,下列说法错误的是( )。
A. 电流对人体的作用时间愈长,对生命的威胁愈大。所以,触电急救的关键是首先要使触电者迅速脱离电源
B. 未采取绝缘措施前,救护人不得直接触及触电者的皮肤和潮湿的衣服
C. 救护人不得采用金属和其他潮湿的物品作为救护工具。但带有潮湿的塑料制品除外
[单项选择]患者妊娠50天,阴道流血2天,逐渐增多似月经量,色红有块,小腹坠胀疼痛,面色苍白,头晕目眩,舌质紫暗,脉滑。应首先考虑的诊断是()
A. 小产
B. 堕胎
C. 滑胎
D. 异位妊娠
E. 胎漏
[单选题]绝缘接头轨缝不得小于( )。
A.4mm
B.6mm
C.8mm
D.10mm
[单项选择]
{{B}}Questions 1 to 8 are based on the conversation
you have just heard.{{/B}} |
A. 9:13.
B. 8:45.
C. 9:30.
D. 9:15.
[单项选择]
阅读下面短文,从短文后所给各题的四个选项([A]、[B]、[C]和[D])中选出能填入相应空白处的最佳选项。
The question "What are the rights and
obligations of friendship " is a question that is usually not asked.{{U}}
(36) {{/U}}many other aspects of our social life, friendship is{{U}}
(37) {{/U}}for granted. How to relate, to communicate{{U}} (38)
{{/U}}friends, is not something we need to learn, it is something we do{{U}}
(39) {{/U}}asking how or why. It’s natural, we feel, and international
Everyone has fiends and so{{U}} (40) {{/U}}everyone behaves the same way
towards{{U}} (41) {{/U}}. While the former is obviously true, the latter
is not. And it is from often small differences in opinions about the nature of
friendship{{U}} (42) {{/U}}big miscommunications arise.
{{U}} (43) {{/U}}many Chinese the major obligation of friendship
is{{U}} (44) {{/U}}. True friends a A. too B. like cases C. either D. for example
[单项选择]建筑安装工程一切险投保费在国外建筑安装工程费用中记入( )。 A. 直接费 B. 开办费 C. 管理费 D. 暂定金额
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