热门试题:
[单选题]电气设备附件遭受雷击,在设备的导体上感应出大量与雷云极性相反的束缚电荷,形成过电压,称为()。
A.直接雷击过电压
B.感应雷过电压
C.雷电反击过电压
[判断题] 事故发生时,应准确、迅速处理,防止事故范围扩大( )
A.正确
B.错误
[多选题]计算变压器月有功损耗电量所需的数据有（ ）。
A.变压器当月有功电量
B.变压器的额定容量
C.变压器当月无功电量
D.变压器消耗 无功电量
[单项选择]
Health implies more than physical fitness. It also implies mental and emotional well-being. An angry, frustrated, emotionally (21) person in good physical condition is not (22) healthy. Mental health, therefore, bas much to do (23) how a person copes with the world as she/he exists. Many of the factors that (24) physical health also affect mental and emotional well-being.
Having a good self-image means that people have positive (25) pictures and good, positive feelings about themselves, about what they are capable (26) , and about the roles they play. People with good self-images like themselves, and they are (27) like others. Having a good self-image is based (28) a realistic (29) of one’s own worth and value and capabilities.
Stress is an unavoidable, necessary, and potentially healthful (30) of our society. People of all ages (31) stress. Children begin to (32) stress duri
A. unstable
B. unsure
C. imprecise
D. impractical
[判断题]救援列车开车前，司机应明确救援任务、注意事项，段（场）信号开放后，方可开车。（ ）
A.正确
B.错误
[单项选择]减数分裂染色体的减半过程发生于（）
A. 后期Ⅱ
B. 末期Ⅰ
C. 后期Ⅰ
D. 前期Ⅱ
[单选题]
患者男性,62岁。突然出现心前区疼痛伴大汗3小时,急诊就医,心电图示:Ⅱ、Ⅲ、aVF导联出现病理性Q波,且ST段弓背向上抬高。该患者心肌梗死的定位诊断是
A.广泛前壁心梗
B.下壁心梗
C.前间壁心梗
D.后壁梗死
E.局限前壁心梗
[单选题]最大放出襟翼高度为
A.15000英尺
B.20000英尺
C.25000英尺
[单选题]存在重大事故隐患,一百八十日内( )次或者一年内四次受到本法规定的行政处罚的;负有安全生产监督管理职责的部门应当提请地方人民政府予以关闭,有关部门应当依法吊销其有关证照。
A.一
B.二
C.三
D.四
[简答题]某企业出售一栋办公楼，出售收入 320 000元，已存入银行。营业税税率为5％。编制上述业务的会计分录。
[判断题] 液压防喷器的公称通径是指防喷器的整体直径。
A.正确
B.错误
[单选题]易腐货物使用机械冷藏车的,( )应负责检查冷藏车情况,在作业单上填记到站作业记录,并妥善保存。
A.车辆检查员
B.押运人
C.到站
D.机械冷藏车乘务组
[单选题]3岁前，幼儿言语的主要形式是（ ）。
A.独白
B.对话
C.情境言语
D.连贯性言语
[单选题]-E-A-001 4 2 3
站内线路、道岔发生故障或自然灾害时,应立即通知(??? )采取措施,防止机车、车辆通往该故障或自然灾害影响地点,同时按规定设置停车信号防护。
A.车站值班员
B.调度
C.工长
D.车间主任
[T/]
[单选题](类别：号段管理 难度：中等)低压验电笔一般适用于交、直流电压为____V以下。( )
A.220.0
B.380.0
C.500.0
D.800.0
[单选题]In the 20th century the planet's population'doubled twice.It will not double even once in the 1 century,because birth rates in much of the world have 2 steeply.But the number of people over 65 is set to 3 within just 25 years.This shift in the structure of the population is not as momentous as the 4 that came before.But it is more than enough to reshape the world economy.5 the UN's population 6,the standard source for demographic estimates,there are around 600m people aged 65 0r older 7 today.That is in itself remarkable;the author Fred Pearce claims it is 8 that half of all the humans who have ever been over 65 are alive today.But 9 a share of the total population,at 8%,it is not that 10 to what it was a few decades ago.By 2035,11,more than l.1 billion people-13%of the population-will be above the age of 65.This is a 12 result of the dropping birth rates that are slowing overall population growth;they mean there are 13 fewer younS people around.The"old-age dependency ratio"-the ratio of old people to those of working age-will 14 even faster.In 2010 the world had 16 people aged 65 and over for every 100 aduILs between the ages of 25 and 64,15 the same raLio it had in 1980.By 2035 the UN 16 that number to have risen to 26.In rich countries it will be much higher.Japan will have 69 0ld people for every 100 0f working age by 2035,Germany 66.17 America,which has a relaLively high 18 rate,will see its old-age dependency rate rise by more than 70%,t0 44.Developing counLries,19 today's ratio is much lower,will not see absolute levels rise that high;20 the proportional growth will be higher.Over the same time period the old-age dependency rate in China will more than double from 15 t0 36.Latin America wiU see a shift from 14 to 27.11选？
A.whereas
B.however
C.therefore
D.likewise
[单项选择]下列不属于数据维护的是数据（）
A. 修改
B. 打印
C. 删除
D. 备份
[单选题]机车车辆限界规定,货物装载高度不得超过()。
A.4900mm
B.4800mm
C.4700mm
D.4600mm
[多项选择]甲建设单位发包某大型工程项目，乙是总承包单位，丙是具有相应专业承包资质的施工单位，丁是具有劳务分包资质的施工单位，下列关于该项目发包、分包的说法中，正确的 有( )。
A. 乙可以将专业工程分包给丙
B. 丙可以将劳务作业分包给丁
C. 乙可以将劳务作业分包给丁
D. 甲可以将专业工程发包给丙
E. 甲可以将劳务作业分包给丁
[单项选择]不是一般项目内容的是（）
A. 姓名、性别
B. 年龄、籍贯
C. 出生地、住址
D. 习惯、嗜好
E. 民族、婚姻
[单项选择]临修时，侧梁、端梁、枕梁、横梁、斜撑梁翼板横裂纹长度大于翼板宽的（）但未延及腹板时，补平形补强板，延及腹板时补角形补强板。
A. 0.1
B. 0.2
C. 0.4
D. 0.5
[判断题]操作票应填写设备的双重名称。
A.正确
B.错误
[判断题]电话闭塞分区：相邻两站运行方向头端站界标之间即为一个电话闭塞分区。
A.正确
B.错误
[单选题]牵引变电所两路外部电源同时失电造成牵引变电所全所停电并经电力公司调度部门确认在（ ）分钟内无法恢复送电，或恢复送电时间无法确定的，可启动越区供电方案进行越区供电。
A.10
B.15
C.20
D.30
[判断题]移动式起重设备应安置平稳牢固，并设有制动装置即可
A.正确
B.错误
[多项选择]A股份有限公司在其2005年度资产负债表日至财务报告批准报出日之间发生的以下交易事项中，属于资产负债表日后调整事项的有( )。
A. 董事会决定发行3000万元公司债券
B. 董事会制定利润分配预案，决定发放股票股利
C. 2005年未决诉讼结案，实际赔偿金额小于原预计金额
D. 施工部门提供的新证据表明2005年对长期工程合同估计的完工进度存在重大误差
[判断题]N型半导体中自由电子是少数载流子。
A.正确
B.错误
[多项选择]影响旅游需求的因素包括（）。
A. 竞争品的价格
B. 个人收入
C. 可任意支配收入
D. 替代品价格
E. 储蓄
[单选题]当自动驾驶的俯仰为垂直导航的高度保持 (VNAV ALT )方式时, 自动油门应工作在什么方
式？
A. 速度方式(SPD)
B. 推力方式(THR)
C. 推力基准(THR REF)
D. 油门保持(HOLD)
[判断题]（ ）试验现场应装设遮栏（围栏），遮栏（围栏）与试验设备高压部分应有足够的安全距离，向外悬挂止步，高压危险！”标示牌。
A.正确
B.错误
[单项选择]
| {{B}}Questions 11 to 18 are based on the conversation
you have just heard.{{/B}} |
A. John used to do quite well in his studies.
B. John is always good at studies.
C. John didn’t like studies before.
D. John studies as hard as before.
[单选题]中医学治疗疾病及疗养调补的本原则是( )
A.调整人体阴阳的平衡
B.损其有余
C.补气不足
D.寒者热之
E.热者寒之
[单选题]停电更换熔断器后，恢复操作时，应( )。
A.戴手套
B.戴护目眼镜
C.戴手套和护目眼镜
D.穿防电弧服
[判断题]事中质量控制是指在施工质量形成过程中，对影响施工质量的各种因素进行全面的动态控制。（）
[判断题]牵引变电所值班员的安全等级不低于三级。
A.正确
B.错误
[单项选择]患者，男，55岁，诊断肺炎球菌肺炎，出现呼吸困难，发绀、心悸，HR 150/min，第一心音低钝，肝右肋下3cm，质软，压痛(+)，可能为
A. 心功能不全
B. 呼吸衰竭
C. 肺不张
D. 自发性气胸
E. 休克
[单选题]《中国铁路总公司关于加快发展铁路集装箱与集装化运输的实施意见》的工作目标是2015年完成集装箱发送量( )标箱。
A.880万
B.890万
C.900万
D.910万
