热门试题:
[单选题]高处作业面［包括高差2m及以上的基坑，直径（）的无盖板坑、洞］等有人员坠落危险的区域，安全围栏安装应稳定可靠，具有一定的抗冲击强度，并设置“当心坑洞”类安全警告标牌。
A.大于0.5m
B.大于0.8m
C.大于1m
D.大于1.5m
E.略
F.略
[多选题]工作票签发人、工作负责人对有（）的工作，应增设专责监护人，并确定其监护的人员和范围。
A.触电危险
B.很大量
C.检修（施工）施工复杂容易发生事故
D.涂写杆号
E.略
F.略
[单项选择]晶状体凸度增大是由于
A. 睫状突后移
B. 睫状肌舒张
C. 睫状肌收缩
D. 瞳孔开大肌收缩
E. 瞳孔括约肌收缩
[单选题]所有权中的善意占有属于下列哪种占有？
A.合法占有
B.非法占有
C.自主占有
D.所有人占有
[判断题]钻具内防喷工具是装在钻具管串上的专用工具,起止回阀作用的装置,用来封闭钻具的中心通孔。
A.正确
B.错误
[单项选择]对装配完的电路板进行首次上电测试时，出现工作电压迅速下降的现象，首先应（）。
A. 立刻断开输入电源
B. 观测PCB板，查找可能存在的问题
C. 触摸板上的元器件，找出表面温度变化异常的元件
D. 报告实验室老师，等候技术指导
[单选题]除非有证据证明存在适用法律、法规确有错误、劳动争议仲裁委员会无管辖权、违反法定程序等特殊情况，用人单位对终局裁决事项可自收到仲裁裁决书之日起（）日内向劳动争议仲裁委员会所在地的中级人民法院申请撤销裁决。
A.10
B.15
C.30
D.60
[多项选择]施工现场围挡应沿工地四周连续设置，使用的材料应（）。
A. 能够循环使用
B. 稳定
C. 整洁
D. 坚固
E. 美观
[单选题] 封闭变压器低压侧出线端至计量装置的导体主要用于防止（ ）。
A. 无表法窃电
B. 扩差法窃电
C. 三相四线电能表窃电
D. 高科技窃电
[单选题]补机原则上应挂于本务机车的（ ）。《技规》第256条
A.前位
B.次位
C.前位或次位
[单项选择]Children’s fears come and go, but most children experience similar types of fears at approximately the same age. For toddlers, the worst fears are often associated with separation and change. Toddlers want their own mommy, daddy, .spoon, chair, and bed. They are profoundly conservative little people. The most daring toddlers feel content if they can hold onto what they already know. Yet, children’s fears are a useful index of their development. Fear of strangers appears to be a consequence of their first specific attachment, and its ending is a sign that they have acquired a more inclusive schema of faces and people in general. A child who is afraid of cats but not of rabbits evidently can differentiate one small animal from another. Fear of a particular person implies recognition of that person.
Parents can be of assistance, both in overcoming fears and in preventing their development. They can prepare a child through play, stories, and happy prognostications for dealing with new
A. An indicator or measurement of something.
B. A list or catalog of information.
C. An object used to point or indicate.
D. A relation or ratio of one quantity to another.
[多项选择]专项维修资金是指专项用于房屋共用部位大中修、更新和改造的资金，其中房屋共用部位的承重结构包括( )。
A. 楼盖
B. 楼梯间
C. 基础
D. 电梯
E. 梁架
[单选题]某娱乐场所被人举报向顾客提供色情服务，公安机关依法查处，决定给予该娱乐场所吊销许可证并处5000元罚款，对该娱乐场所经理胡某处以行政拘留5日处罚。对此，下列说法正确的是
A.公安机关在对该娱乐场所进行检查时，人民警察不得少于三人
B.公安机关人民警察在检查该娱乐场所时应出示证件
C.胡某对吊销许可证的处罚决定申请听证，公安机关应当告知其不予听证
D.胡某不服该行政处罚决定申请行政复议的，公安机关应当暂缓执行行政拘留
[单选题]颈外静脉穿刺的正确部位是()
A.锁骨下缘中点,颈外静脉外侧缘
B.下颌角和锁骨上缘中点连线上1/2处
C.下颌角和锁骨上缘中点连线下1/2处
D.下颌角和锁骨上缘中点连线上1/3处
E.下颌角和锁骨上缘中点连线下1/3处
[单项选择]非线性动力学消除的速率符合（）
A. H-H方程
B. 米氏方程
C. 朗比定律
D. 波尔定律
E. Fick扩散定律
[单项选择]当发射天馈线发生故障时发射信号将会产生损耗从而影响基站的（）。
A. 运行
B. 覆盖范围
C. 工作
D. 故障
[判断题]委托贷款应归属于承诺类表外业务指标统计。
A.正确
B.错误
[单项选择]有以下程序
#include＜iostream＞
#include＜string＞
using namespace std；
class base
private：
charbaseName[10]；
public：
base（ ）
strcpy(baseName,"Base")；
virtual char*myName（ ）
return baseName;
char *className（ ）
return baseName;
;
class Derived: public base
private:
char derivedName[10];
public:
Derived（ ）
strcpy(derivedName,"Derived");
char *myName（ ）
return derivedName;
char *className（ ）
return derivedName;
;
void showPtr(base &p)
cout＜＜p.myName0＜＜" "＜＜p.className（ ）;
int main（ ）
base bb;
Derived dd;
showPtr(dD) ;
retum 0;
动行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[判断题]( ) 749 蓄电池是内燃叉车上唯一电气。
A.正确
B.错误
[判断题]涉及动火施工若已在OMC系统作业票中上传动火证，施工负责人可不必向属地管理车站出示动火凭证，既可进行动火作业
A.正确
B.错误
[单项选择]合同当事人一方基于法律规定而享有的一项权利，对因重大误解或显失公平等法律事实真相如实了解后，有权按照( )原则，作出明确表示，或者以自己的行为放弃撤销权，最终达到维护自身根本利益的目的。
A. 意思自治
B. 法律规定
C. 无效合同
D. 撤销权消灭
[单项选择]常见前纵隔肿瘤是（）.
A. 胸腺瘤
B. 神经源性肿瘤
C. 肉瘤
D. 平滑肌瘤
E. 支气管囊肿
[多选题]关于心前区捶击，以下正确的是( )
A.捶击时松握空心拳，用力捶击
B.捶击部位是心尖部
C.适用于目击病人发生心博骤停
D.婴幼儿禁用
E.若捶击无效，应立即行胸外心脏按压和人工呼吸
[多选题]《生产安全事故报告和调查处理条例》，根据生产安全事故造成的人员伤亡或者直接经济损失，事故一般分为（ ）。
A.一般事故
B.较大事故
C.重大事故
D.特别重大事故
[不定项选择题]共用题干
Learn About Noble Gases（惰性气体）
1 Have you ever ridden on a balloon?Many tourist spots offer balloon rides in order for people to see
the beauty of a place from above.A balloon contains a noble gas called helium（氦）.Formerly,balloons con-
tamned hydrogen but hydrogen is very flammable and dangerous when uncontrolled.Therefore,people shifted
to helium,which is safer. Helium is safe because it has the properties of the noble gases.
2 People once believed that noble gases couldn't chemically react at all.For this reason,they were
called inert gases(隋性气体）.They were also listed under Group 0 in the old periodic table because scien-
tists believed that the gases have zero valence（价）electrons in their outer shell.This was later proven to be
untrue when some noble gas compounds were discovered.
3 The gases are elements,which share similar properties.These properties include being monoatomic,
colorless,odorless,being able to conduct electricity,and having low chemical reactivity.Noble gases
include helium,neon,argon,krypton,xenon and radon.These are all found in Group 18,in the right most
column of the periodic table.If you look at the periodic table,you will notice that these elements are the only
ones which do not have a charge. Helium has the lowest molecular（分子的）weight while radon is the
heaviest.
4 Remember that chemical reactions occur because atoms have valence electrons,which are electrons
in their outer shell.When the outer shell is"unfilled"or the required number of electrons is not yet com-
plete,the atom is more reactive.Noble gases have a full outer shell,meaning that they have complete elec-
trons in their outer shell.This complete number varies.For instance,the outer shell of helium has 2 valence
electrons while the outer shell of xenon has 8 electrons.Nowadays,there remains to be a few noble gases
because of the low chemical reactivity of these said gases.
5 because of their properties,noble gases have many important applications.They are widely used in
medicine and industries. For instance , liquid helium is used for superconducting magnets（磁体）.These
magnets are very important in physics and medicine.When a doctor suspects that a person's brain has been
damaged,he might request for Magnetic Resonance Imaging(MRI).MRI allows the doctor to"see"the
brain,without operating on the patient.
Paragraph 5__________
A.What is the Periodic Table?
B.What are Noble Gases?
C.What Causes the Low Chemical Reactivity of Noble Gases?
D.How were Noble Gases Discovered?
E.How were Noble Gases Understood in the Past?
F.What are the Applications of Noble Gases?
[多选题]进风井口建筑物发生火灾,应当采取防止火灾气体和火焰侵入井下的措施[]。
A.立即反风或者关闭井口防火门
B.迅速灭火
C.加大供风量
D.以上都可以
[判断题]在酚醛脲烷树脂自硬砂中，减少Ⅱ组分的用量是为了增加树脂砂的强度。
[单选题]在并联的交流电路中，总电流等于各分支电路电流的（）。
A.代数和
B.方和根；
C.总和；
D.相量和。
[判断题]柜员尾箱库存限额由法人机构核定，并由参数管理机构在核心业务系统中进行设置。
A.正确
B.错误
[单选题]飑线最突出的特征是（ ）A. 飑线之前有中尺度雷暴高压
B. 飑线之后有中尺度雷暴高压
C. 飑线之后有前导低压
D. 飑线前后均有高压
A.A
B.B
C.C
D.D
[判断题]进出配电站、开闭所应随手关门。
A.正确
B.错误
[单项选择]个人信用报告有异议时，可以向所在地的人民银行分支行征信管理部门或直接向人民银行征信中心提出个人信用报告的异议申请，个人需( )。
A. 出示本人身份证原件
B. 提交身份证复印件
C. 提交本人身份证原件和身份证复印件
D. 出示本人身份证原件、提交身份证复印件
[判断题]【41106】二氧化碳灭火器可以用来扑灭未切断电源的电气火灾。 ( )
A.正确
B.错误
[填空题]申请人的申请符合法定条件、标准的，行政机关应当依法作出( )行政许可的书面决定。
[单项选择]下列哪种疾病不能由腹部平片诊断（）
A. 肾脏阳性结石
B. 肠梗阻
C. 消化道穿孔
D. 慢性胰腺炎
E. 小儿先天性肛门闭锁
[简答题]1 落实——责任，严格建设质量管控，严把验收关，做到“零缺陷”投产。
[判断题]《铁路旅客运输服务质量规范》（铁总运〔2016〕247号）规定：厨房前门悬挂印有“禁止入内”字样的挡帘。
A.正确
B.错误
[单项选择]AD426定影计数器清零是在维修模式中的哪一项（）
A. 设备项
B. 系统1
C. 系统2
D. 计数器
