热门试题:
[单选题]勾股定理表示的是直角三角形的二个直角边的平方和等于()的平方。
A.斜边
B.另一直角边
C.高
D.对角线
[填空题]把满意程度等主观性很强的定性数据转化为定量数据最常用的方法是()。
[单项选择]
Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.
One of the. earliest (11) in the Western world to formulate principles of health care
A. discharge
B. exclude
C. dismiss
D. expel
[判断题]纪念币的主题涉及重大政治、历史题材的,要报经国务院批准。
A.正确
B.错误
[单选题]家庭宽带万投比挑战值()。
A.1.5
B.1.85
C.1
D.1.75
[单项选择]第二产程超过2小时
A. 羊水过多
B. 过期妊娠
C. 胎儿窘迫
D. 协调性宫缩乏力
E. 不协调性宫缩乏力
[判断题] )员工满意度调查应该根据员工素质差异分别设计调查问题。
A.正确
B.错误
[单选题] 《中国银监会办公厅关于进一步强化内控合规管理防范案件风险的通知》(银监办发〔2017〕10号)中指出,银行业金融机构要针对当前案件形势和自身实际,认真开展()的案件风险排查。
A.系统
B.自上而下
C.全面
D.专门
[判断题]根据《中国民航空中安全保卫人员勤务派遣规定》的规定,一级勤务派遣要求在航班飞行中,空中安全保卫人员应加强客舱巡查,每次巡查间隔不得超过15分钟。
A.正确
B.错误
[判断题]拆炉过程必须保证物料通道进气、尾气管道有氮气通过,防止空气反窜入进气管道
A.正确
B.错误
[判断题]社会资金建设的燃气设施,投资方可以自行经营,也可以另行选择燃气经营者。
A.正确
B.错误
[单选题]下列关于预制构件吊运输及吊装的说法,错误的是( )。
A.外墙板宜采用立式运输
B.在吊装过程中,吊索与构件的水平夹角在45~60°之间。
C.运输时混凝土预制构件的强度不低于设计混凝土强度的75%
D.预制水平类构件采用叠放时,最下面一层设置通长垫木
[单选题]建筑施工单位的职业病防治工作应坚持( )的方针.持续改进单位的职业卫生条件.
A.安全第一、预防为主、综合治理
B.预防为主、防治结合
C.安全第一、预防为主
D.以人为本
[填空题]网络的配置管理主要目的在于 【18】 网络和系统的配置信息以及网络内各设备的状态和连接关系。
[判断题]未经医务人员同意,灼伤部位可以自行敷搽药物。
A.正确
B.错误
[单选题]生地黄的主治病证是
A.胎热,胎动不安
B.肝火犯胃,呕吐吞酸
C.阴虚肠燥便秘
D.无汗骨蒸,肠痈腹痛
E.外感热病,风热表证
[单选题]Wanen Buffett,who will host Berkshire Hathaway's annual shareholders'meeting on May 3rd,is an icon of American capitalism.At 83,he also epitomhes a sLriking demographic 1:for highly skilled people to go on working well int0 2 was once thought to be old age.Across the rich world,well-educated people 3 work longer than the less-skilled.Some 65%of American men aged 62-74 with a professional deUee are in the 4,compared with 3290 0f men with only a high-school certificate.In the European Union Lhe pattern is similar.This 5 is part of a deepening divide between the well-educated 6 and the unskiUed poor that is slicing 7 all age groups.Rapid innovation has raised the incomes of the highly skilled while 8 those of the unskilled.Those 8t the cop are working longer hours each year than those at the bottom.9 the well-qualified are extending their working lives,compared with those ofless-educated people.The 10,for indrviduals and society,are profound.The world is on the 11 rise in the number of old people,and they will live longer than ever before.12 the next 20 years the global population of those aged 65 or more will almost double,from 600m to 1.1 billion.The 13 of the 20th century,when greater longevity translated into more years in retirement 14 more years at work,has persuaded many observers that this shift will 15 slower economic growth and"secular stagnation",while the 16 ranks of pensioners will bust government budgets.But the notion of a sharp division between the working young and the 17 0ld misses a new trend,the 18 gap between the skilled and the unskilled.Employment rates are falling among younger unskiUed people,19 0lder skilled folk are working longer.The divide is most extreme in America,where well-educated baby-boomers are 20 retirement while many less-skilled youn-ger people have dropped out of the workforce.17选?
A.idle
B.rich
C.tired
D.lazy
[判断题]栅栏门必须全部加锁,并油刷“铁路工作人员专用通道,禁止其他人员入内”警示标识,并落实管理责任。
A.正确
B.错误
[判断题]TEDS作业人员须具有大专及以上文化程度,具备一定的计算机技术知识。
A.正确
B.错误
[单选题]在含瓦斯的井巷爆破作业时,当炮孔深度大于0.9m时,装药长度不得超过炮孔深度的2/3。剩余部分应全部用炮泥填塞。( )
A. 正确
B. 错误
[单选题]3.545. 第545题剩余电流动作保护装置是指电路中带电导体对地故障所产生的( )超过规定值时,能够自动切断电源或报警的
保护装置
A.剩余电压
B.剩余电流
C.短路电流
D.短路电压
[单项选择]上消化道大出血特征性表现()。
A. 血便
B. 黑便
C. 发热
D. 失血性周围循环衰竭
E. 贫血
[单选题]洋务运动开创了( )向西方学习的先例
A.文化方面
B.制度方面
C.思想方面
D.器物方面
[判断题]两个及以上单位作业车进入同一个区间移动作业时, 由主体施工(维修)负责人统一划分各单位作业车作业范围及分界点,并由主体单位统一设置防护。 ( )
A.正确
B.错误
[判断题]配电线路和设备停电检修,接地前,应使用接触式验电器或测电笔。 ( )
A.正确
B.错误
[单项选择]一患者需要大声才能唤醒,醒后可简单回答问题及勉强配合检查,停止刺激后即入睡,这种意识状态是()
A. 嗜睡
B. 昏睡
C. 昏迷
D. 谵妄
E. 意识模糊
[判断题]进入增压器的机油压力低的原因,一般为增压器 滤清器 堵塞或调压阀调定压力过低。
A.正确
B.错误
[判断题]停炉降温过程中,注意饱和温度下降速度不小于1.5℃/min。( )
A.正确
B.错误
[多项选择]在存在通货膨胀的经济环境中,我国的利率通常是指()。
A. 名义利率
B. 实际利率
C. 对等利率
D. 贷款利率
[填空题]电流互感器在正常使用时,二次电流和一次电流大小成(____)比,二次电流对一次电流相位差接近于0。
[单选题]提高外压容器稳定性最有效的方法是( )。
A.设置加强圈
B.
增加壁厚
C.
采用E值大的材料
D.
减小外形尺寸
[单选题]有周期性节律性上腹痛病史,饮食失调后诱发上消化出血,首先考虑
A. 溃疡病
B.慢性胃炎
C.肝硬化
D.胰腺炎
E.胆石症
[多选题]白天工作间断时,如果工作班须暂时离开工作地点,则应采取安全措施和派人看守,不让人、畜接近(____)等。
A.挖好的基坑
B.未竖立稳固的杆塔
C.负载的起重和牵引机械装置
D.施工车辆
[单项选择]车床主轴轴向窜动太大时,将使加工的工件()
A. 端面中凸
B. 端面中凹
C. 端面振摆超差
[判断题]青铜是所有铜合金中熔点最高的铜合金。
A.正确
B.错误
[判断题]变压器的额定电流大小等于绕组的额定容量除以该绕组的额定电压及相应的相系数(单相为1,三相为√3)。
A.正确
B.错误