热门试题:
[单选题]线路人工起道捣固扒镐窝作业时,按作业负责人所划的撬,按每对镐扒开道床,扒开的道床要达到三够一清,即够宽,( )mm:使铁镐头能在捣固时不打枕木。(应知应会-《工务系统普速铁路作业指导书1.3》)
A.200
B.210
C.230
D.250
[判断题]同一车站所有闸机无法扫码过闸的情况属于自动售检票系统大面积故障。
A.正确
B.错误
[单选题]成套接地线应由有透明护套的多股软铜线和专用线夹组成,其截面不准小于( )mm²,同时应满足装设地点短路电流的要求。禁止使用其他导线接地或短路。
A.18
B.20
C.25
D.30
[单选题] ( )是土壤形成的主导因素。
A.地形
B.气候
C.生物
D.母质
[判断题]分、支行的筹建期为批准决定之日起6个月。未能按期筹建的,应当在筹建期限届满前1个月向筹建申请受理机关提交筹建延期报告。筹建延期不得超过一次,筹建延期的最长期限为3个月。 ( )
A.正确
B.错误
[单项选择]已知一轴孔为间隙配合,查得孔的IT7=+30μm,基本偏差ES=+30μm,轴的IT6=+19μm,基本偏差es=0μm,可得该配合的最大间隙为:()
A. +49μm
B. +30μm
C. +79μm
D. +60μm
[判断题]载流导体在磁场中一定受到磁场力的作用。( )
A.正确
B.错误
[单选题]由酶蛋白和辅助因子两部分组成的酶是()
A.单体酶
B.单纯酶
C.结合酶
D.寡聚酶
E.多功能酶
[单选题] 在采用专用记账凭证的单位,下列必须填制付款凭证的业务有
A. 签发现金支票从银行提取现金
B. 收到开户行转来的银行进账单
C. 董事长借差旅费以现金支付
D. 签发转账支票支付职工工资
[不定项选择题]共用题干
Dangers Await Babies with Altitude
Women who live in the world's highest communities tend to give birth to underweight babies, a new study suggests.These babies may grow into adults with a high risk of heart disease and strokes.
Research has hinted that newborns in mountain communities are lighter than average.But it wasn't clear whether this is due to reduced oxygen levels at high altitude or because their mothers are under-nourished—many people who live at high altitudes are relatively poor compared witf those living lower down.
To find out more,Dino Giussani and his team at Cambridge University studied the records of 400 births in Bolivia during 1997 and 1998.The babies were born in both rich and poor areas of two cities:La Paz and Santa Cruz.La Paz is the highest city in the world,at 3 .65 kilometers above sea level,while Santa Cruz is much lower,at 0 .44 kilometers.
Sure enough,Giussani found that the average birthweight of babies in La Paz was significantly lower than in Santa Cruz.This was true in both high and low-income families.Even babies borr to poor families in Santa Cruz were heavier on average than babies born to wealthy families in lofty La Paz.“We were very surprised by this result,”says Giussani.
The results suggest that babies born at high altitude are deprived of oxygen before birth.
“This may trigger the release or suppression of hormones that regulate growth of the unborn child,”says Giussani.
His team also found that high-altitude babies tended to have relatively larger heads compared with their bodies.This is probably because a fetus starved of oxygen will send oxygenated blood to the brain in preference to the rest of the body.
Giussani wants to find out if such babies have a higher risk of disease in later life.People born in La Paz might be prone to heart trouble in adulthood,for example.Low birthweight is a risk factor for coronary heart disease .And newborns with a high ratio of head size to body weight are often predisposed to high blood pressure and strokes in later life.
What does the new study discover?
A.Babies born to wealthy families are heavier.
B.Women living at high altitude tend to give birth to underweight babies.
C.Newborns in cities are lighter than average.
D.Low-altitude babies have a high risk of heart disease in later life.
[单选题]下列关于“十三五”的发展理念中,说法错误的是( )。
A.创新是引领发展的第一动力
B.绿色是永续发展的必要条件
C.开放是持续健康发展的内在要求
D.共享是中国特色社会主义的本质要求
[多项选择]对告警工单处理方质检标准包括()
A. 告警工单及时处理
B. 告警工单反映的问题得到彻底解决或能够明确说明原因
C. 工单基本信息填写完整无误
D. 工单回复认真,能够正确描述告警产生原因、故障处理过程和处理结果
[多选题]若室外配电装置的大部分设备停电,只有个别地点保留有带电设备而其他设备无触及带电导体的可能时,以下做法正确的是( )。
A.在带电设备四周装设全封闭围栏
B.围栏上悬挂适当数量的“止步,高压危险!”标示牌
C.标示牌应朝向围栏外面
D.标示牌应朝向围栏里面
[多选题]科学技术答案:对生产力发展的重要意义在于()。
A.科学技术能够转化为实际生产能力
B.科学技术会引起劳动资料、劳动答案:对象和劳动者素质的深刻变革和巨大进步
C.科学技术能大幅提高管理效率和劳动生产率
D.科学技术是先进生产力的集中体现和主要标志
[单项选择]后张法中预应力筋承受的张拉力是通过()传递给混凝土构件的。
A. 粘结力
B. 摩擦力
C. 压力
D. 锚具
[单选题]患者,女性,40岁。因与家人吵架,喝有机磷农药1瓶欲自杀,于1小时后被家人送到医院,患者意识丧失,双侧瞳孔缩小,立即给予洗胃,灌洗溶液宜选择
A.1:15000~1:20000高锰酸钾液
B.镁乳
C.5%醋酸
D.3%过氧化氢
E.硫酸钠
[单项选择]关于传染性软疣,描述不正确的是()。
A. 人群普遍易感
B. 直接接触传播
C. 性接触传播
D. 公共设施传播
E. 多累及儿童、性活跃人群、免疫功能低下者
[单项选择]按照目前国家政策法规的规定,业主与物业管理企业可以采用包干制或酬金制等形式约定( )。
A. 物业服务费用
B. 物业管理费用
C. 物业管理费
D. 物业服务成本
[判断题]在钻孔施工开钻时,必须待钻头下到孔底工作平稳后,再逐渐增大压力。
A.正确
B.错误
[判断题]民族理论研究的主要任务,是对各个民族的特性进行研究,取得规律性认识和结论。
[单选题]在实际中,利用指数体系分析时,价格指数一般采用( )。
A.帕氏质量指数
B.拉氏质量指数
C.帕氏数量指数
D.拉氏数量指数
[单选题]压力容器爆炸事故是指容器在使用中或试压时发生破裂,使压力瞬时降至等于外界压力事故。 ( )
A.正确
B.错误
[单选题]电刷应有良好的( )和换向能力。
A.导电性能
B.散热性能
C.集流性能
D.耐磨性能
[单项选择]治疗结核性腹膜炎最重要的方法是( )
A. 大量抽腹水
B. 手术清除病灶
C. 卧床休息,加强营养
D. 正规的抗结核化疗
E. 腹腔内注入糖皮质激素
[多选题]公民道德建设的主要内容和基本要求包括( )。 ( )
A. 社会公德
B. 职业道德
C. 家庭美德
D. 个人品德
E. 公民道德
[判断题]工作许可后,工作负责人、专责监护人应向工作班成员交待工作内容、人员分工、带电部位和现场安全措施,告知危险点,并履行签名确认手续,方可下达开始工作的命令。
A.正确
B.错误
[判断题]使用大型养路机械在无缝线路地段作业,应在高温和低温时段进行封锁施工。
A.正确
B.错误
[单选题]97.所有者权益是商业银行投资者对企业()的要求权。
A.A.全部资产
B.B.全部负债
C.C.净资产
D.D.净利润
[单选题]用红外测量仪测量三元催化器前、后排气管的温度,在三元催化转换器正常工作时,下面叙述正确的是( )。
A.前端和后端温度几乎不变
B.中间温度比两端温度高
C.前端温度应比后端温度至少高出38℃
D.后端温度应比前端温度至少高出38℃
[单项选择]
New Attempts to Eradicate AIDS Virus
A. high-profile attempt to eradicate the AIDS virus in a few patients continues to show promise.
But researchers won’t know for a year or more whether it will work, scientist David Ho told journalists here Wednesday for the Fourth Conference in Viruses and Infections.
"This is a study that’s in progress, " says Ho, head of the Aaron Diamond AIDS Research Center. New York.
The study involves 20 people who started combinations of anti-HIV drugs very early in the course of the disease, within 90 days of their infections. They’ve been treated for up to 18 months. Four others have dropped out because of side effects or problems complying with the exacting drug system.
The drugs have knocked the AIDS virus down to undetectable levels in the blood of all remaining patients. And, in the latest development, scientists have now tested lymph
A. AIDS virus can exist in the blood without being detected.
B. AIDS virus is undetectable in the blood.
C. No AIDS virus can be detected in the blood.
D. No virus found in the blood means no AIDS.
[单选题]利克特的管理模式认为,极有成就的管理者一般采用的管理方法是( )。
A.专制—权威式
B.开明—权威式
C.集体参与式
D.协商式
[单选题]增大
A.增大
B.减小
C.局部减压
D.缓解
[判断题]未经注册登记的代理报检单位经特批后,可暂时向检验检疫机构办理代理报检业务。( )
[多项选择]
张某2008年1月在提供了5000元保证金后开始到甲公司上班,但是一直到
2008年3月,甲公司才与其签订书面的劳动合同。工作期间,甲公司多次安排张某加班,但均未支付加班费。2008年4月甲公司打算解除其与张某的劳动合同,双方就此发生了争议。请结合《劳动合同法》回答97~100题。 |
结合本案的情况,下列说法正确的是:( )。
A. 由于甲公司没有及时与张某订立劳动合同,因而甲公司应当在订立劳动合同前向张某每月支付2倍的工资
B. 如果合同约定的试用期超过了法定限制,那么甲公司应当以张某试用期满时的月工资为标准,对超过的期间向张某支付赔偿金
C. 甲公司应当退还其收取的张某的 5000元的保证金,并另支付5000元作为赔偿
D. 甲公司应当向张某支付的加班费,并加付两倍的赔偿金
[单选题]为保证多边净额清算结果的法律效力,一般需要引入( )安排。
A.货银对付原则
B.分级结算原则
C.共同对手方制度
D.净额清算原则