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[单选题]人的认识是否具有真理性在于( )
A. 它是否有用
B. 是否能被大多数人接受
C. 是否符合客观实际
D. 是否清楚明白

热门试题:

[单选题]计算机联锁采用双套互为备用的系统时,备用系统有()工作状态。
A.2种
B.3种
C.4种
D.5种
[单项选择]冲压工艺对材料的基本要求有误的一项是()。
A. 对材料成本的要求
B. 对冲压成形性能的要求
C. 对材料厚度公差的要求
D. 对表面质量的要求
[单项选择]过度思虑可导致的是()
A. 气上
B. 气下
C. 气结
D. 气消
E. 气乱
[单选题]536. 536.接触线几何参数(接触线拉出值.跨中偏移值.接触线高度.接触线坡度)的静态检测周期为()。
A.3个月
B.6个月
C.12个月
D.36个月
[多选题](类别:号段管理 难度:中等)下列哪些属于java对象锁?( )
A.偏向锁
B.读写锁
C.轻量锁
D.重量锁
E.重入锁
[多选题]火灾自动报警系统传输线路应采取( )保护方式布线。
A.穿金属管
B.线槽
C.穿半硬质塑料管
D.封闭式线槽
E.穿经阻燃处理的硬质塑料管
[多项选择]以下属于设备管理主要技术经济指标的有( )。
A. 设备完好指标
B. 设备数量利用指标
C. 设备质量利用指标
D. 设备时间利用指标
E. 设备能力利用指标
[判断题]1999年前后,以“.COM"为代表的电于商务网站的发展标志着我国电子商务发展进入第二阶段。其典型特征是:一批纯电子商务企业的诞生和国外风险投资的进人,各种商务模式令人目不暇接;电子商务网站整体水平低,网上支付取得突破性的进展。
[判断题]电离层折射的影响白天比晚上大。( )
A.正确
B.错误
[单项选择]Do you find getting up in the morning so difficult that it’s painful This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle.
During the hours when you labor through your work, you may say that you’re "hot". That’s true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak. For some people the peak comes before noon. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such familiar saying as: "Get up, John! You’re late for work again!" The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling end when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.
You can’t change your energy cycle, but you can learn to make your life fit it better. Habit can help, Dr. Kleitman believes. If your energy
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his energy peak in the afternoon or evening
[判断题]各专业部门负责审查本专业设备适用范围及行车限制条件、设备变化、设备安全防护措施、汛期安全措施及配合事宜等。
A.正确
B.错误
[多选题]下列关于沃云盘的存储空间描述正确的是?
A.个人空间上传的文件仅用户自己可见
B.家庭空间上传的文件,所有家庭成员均可见
C.用户在“我创建的”和“我加入的”家庭中上传文件,都会占用用户的存储空间
D.用户在私密空间中上传的文件,不会占用用户的存储空间
E.家庭成员用户均可查看私密空间上传的内容
[单项选择]关于准直器选择的叙述,错误的是
A. 123I常选用低能型准直器
B. 99mTc选用高能型准直器
C. 131I则选用高能型准直器
D. 考虑显像器官大小及厚度
E. 考虑放射性活度
[单选题]长度的换算关系是(  )。
A.1m=100mm
B.1m=10cm
C.1m=10dm
D.1m=1000μm
[判断题]缓降器是由挂钩(或吊环)、吊带、绳索及速度控制等组成,是一种可使人沿着(随)绳(带)缓慢下降的安全营救装置。( )
A.正确
B.错误
[判断题]没有社会价值,人生的自我价值就无法存在。
A.正确
B.错误
[单选题]4轴飞行器飞行运动中有( )
A.4个自由度,4个运动轴改:(绕4个轴转动)
B.4个自由度,3个运动轴改:(沿3个轴移动)
C.6个自由度,3个运动轴改:(沿3轴移动,绕3轴转动)
[判断题]2.43 公开考试信息,通过互联网向社会公开考试计划、考试场地、考试员和约考结果。公开考试过程,当场公布考试成绩,在考场、办事大厅等场所向群众直播考试视频,任何人都有权查询考试视频资料。
A.正确
B.错误
[单项选择]根据有关法律法规规定,《民法通则》中的“二十年诉讼时效期间”( )。
A. 可以中止和中断
B. 可以中断和延长
C. 可以延长
D. 可以中止和延长
[单选题]对于进口设备而言,我国采用最多的一种货价是
A.A.目的港完税价
B.B.目的港到岸价
C.C.装运港码头价
D.D.装运港船上交货价
[单选题]万用表选择量程时,应尽可能使被测量值达到表头量程的 1/2 或 2/3 以上,以减小测量误差,若事先不知 道被测量的大小,应先选用()试测,再逐步换用适当的量程。
A.最大量程
B.最小量程
C.中段量程
D.中段或小段
[单项选择]男性,30岁,5天前被汽车撞伤左上腹,当时腹痛伴局部压痛。今日上厕所时突然昏倒,面色苍白,脉搏细速,可能是
A. 肝破裂
B. 脾破裂
C. 胆囊穿孔
D. 肾破裂
E. 肠穿孔
[填空题]成形磨床的主要部件,也可在平面磨床或万能工具磨床上使用。它由();();()和工件的装夹部分组成
[单项选择]
Therapeutic Touch

A nine-year-old schoolgirl single-handedly cooks up a science-fair equipement that ends up debunking a widely practiced medical treatment. Emily Rosa’s target was a practice known as therapeutic touch (TT for short), whose advocates manipulate patients’ "energy field" to make them feel better and even, say some, to cure them of various ills. Yet Emily’s test shows that these energy fields can’t be detected, even by trained ’TT practitioners. Obviously mindful of the publicity value of the situation, Journal editor George Lundberg appeared on TV to declare, "Age doesn’t matter. It’s good science that matters, and this is good science."
Emily’s mother Linda Rosa, a registered nurse, has been campaigning against TT for nearly a decade. Linda first thought about TT in the late 80s, when she learned it was on the approval list for continuing nursing deduction in Colorado. Its 100,000 trained practitioners (48,000 in the
A. TT has been in existence for decades.
B. Many patients were cured by therapeutic touch.
C. TT therapists are often employed by leading hospitals.
D. More than 100,000 people are undergoing TT treatment.
[单选题]ATS与ZC之间传输的命令不包括( )。
A.移动授权
B.列车位置更新
C.临时限速
D.站台门状态
[判断题]转K2型转向架基础制动装置采用中拉杆式双侧闸瓦制动。( )
A.正确
B.错误
[单项选择]

One afternoon, my son Adam asked me," Are all people the same even if they are different in color"I thought for a minute, and then I said, "I’ll explain, (1) you can just wait until we make a quick (2) at the grocery store. I have something (3) to show you. "At the grocery store, we (4) some apples-red,green and yellow ones. Back home. I told Adam,"It’s time to (5) your question. "I put one apple of each (6) on the table. Then I looked at Adam, who had a (7) look on his face."People are like apples. They come in all (8) colors, shapes and sizes. On the (9) , some of the apples may not (10) look as delicious as the others. "As I was talking, Adam was (11) each one carefully.Then, I took each of the apples and peeled(削皮) them, (12) them back on the table, but (13) a different place."Okay, Adam, tell me which is which. "He said, "I (14) tell. They all look the same now. " "Take a bite of (15) See if that he
A. ordinary
B. normal
C. different
D. regular

[多选题]党的十九大报告指出,把党的政治建设摆在首位,保证( )是党的政治建设的首要任务。
A.旗帜不倒队伍不散
B.以人民为中心的政治导向
C.全党服从中央
D.坚持党中央权威和集中统一领导
[简答题]某工程采用换填垫层法处理地基,基底宽度为10m,基底下铺厚度2.0m的灰土垫层,为了满足基础底面应力扩散要求,试求垫层底面宽度。
[单项选择]患者女,25岁,家住农村,近两个月来有周身乏力、精神萎靡、低热及咳嗽病史,近3日突发剧烈头痛,持续性,自行口服索米痛片难以缓解,伴恶心、呕吐。查体:体温38.2℃,颈强(+),Kernig征(+),无其他神经系统阳性体征。该患者腰穿结果为:压力350mmH2O,外观淡黄色,细胞206×10/L,蛋白1.0g/L,糖0.8mmol/L,氯化物108mmol/L,抗酸杆菌染色(-),墨汁染色(-)。胸片回报:肺结核。患者最可能诊断为()
A. 病毒性脑膜炎
B. 化脓性脑膜炎
C. 结核性脑膜炎
D. 隐球菌性脑膜炎
E. 病毒性脑膜脑炎
F. 亚急性硬化性全脑炎
[判断题]气门间隙检查。打开气门室盖,用塞尺检查或用手晃试气门脚间隙,间隙最大者往往是最响的气门。对于运转的发动机,当用塞尺或适当厚度的金属片插入气门脚间隙处而响声减弱或消失时,即说明是由此处的间隙太大而形成了异响。(  )
A.正确
B.错误
[判断题]多机重联时,连挂司机负责复检机车与第一位车辆的车钩、软管连结和折角塞门状态。
A.正确
B.错误
[单选题]普速旅客列车各车厢紧急制动阀有包封,印有( )警示标志。
A.危险勿动
B.禁止触摸
C.请勿触摸
D.有电危险
[单选题]根据水源种类,给系统可分为地面水源和( )两类。
A.井水
B.海水
C.泉水
D.地下水源
[单选题]单侧电源线路的自动重合闸装置必须在故障切除后,经一定时间间隔才允许发出合闸脉冲,这是因为(____)。
A.需与保护配合
B.故障点要有足够的去游离时间以及断路器及传动机构的准备再次动作时间
C.防止多次重合
D.断路器消弧
[单选题] 煤层厚度为1.3~3.5m的煤层称为( )。
A.薄煤层
B.中厚煤层
C.厚煤层
[多选题]以下( )是轨道电路的技术条件。
A.本制式的电路系统能适应的最大直流牵引电流为 4000A。
B.轨道电路的分路电阻为 0.15Ω
C.轨道电路的极限长度为 300m。
D.50Hz 相敏轨道电路采用电子接收器轨道电路的残压可不大于 10V,这样就大大提高轨道电路的整体性能
[单选题]在以下哪些变电站生产生活区域,需选用二级动火工作票。
A.控制室、计算机房
B.通信蓄电池(铅酸)室
C.变电站值班宿舍
D.变压器本体处
[单项选择]熔断器只能保护()故障。
A. 短路故障
B. 停电故障
C. 断相故障
[单选题]熔断器的额定值主要有()。
A.额定电压、额定电流和额定电阻
B.额定电压和额定电流
C.额定电压、额定电流和熔体额定电流
D.额定电压

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