热门试题:
[判断题]辙叉部分轨距,直、侧向均为1435mm。( )
A.正确
B.错误
[单项选择]下列腧穴中,治疗急性胃病应首选( )
A. 梁门
B. 梁丘
C. 内庭
D. 上巨虚
E. 下巨虚
[填空题]Language is an amazing phenomenon. Speech — the (36) of sounds to convey meaning — is a kind of human action. Like any other (37) repeated actions, speaking has to be learned. But once it is learned, it becomes a generally (38) and apparently automatic process.
As far as we can (39) , human beings do not need to be forced to speak. Most babies seem to (40) a sort of instinctive drive to produce (41) noises. How to speak and what to say are another matter (42) . These actions are learned from file particular society in which the baby is born; so that, like ail conduct and (43) that is learned from a society — from the people around us — speech is a patterned activity.
(44) into a few orderly patterns, accepted as meaningful by the people around him.
(45) However, a child born into a society with a pattern of language is encouraged o make a small selection of sounds.
[单项选择]呼吸衰竭的血气诊断标准是()
A. 动脉血氧含量低于9mmol/L
B. 动脉血氧饱和度(SaO2)低于90%
C. pH值<7.35
D. 动脉血二氧化碳分压(PaCO2)高于50mmHg
E. 动脉血氧分压(PaO2)低于60mmHg
[多选题]搭设高度超过24m的落地式双排钢管扣件脚手架、碗扣式脚手架、盘扣式脚手架,应()。
A.支架立杆2m高度的垂直偏差控制在25mm
B.搭设完成应经验收挂牌后使用。分段搭设的脚手架应在各段完成后,以段为单位验收挂牌后使用
C.每个脚手架架体,必须按规定设置两点防雷接地设施
D.专人监测满堂支撑架搭设过程中,架体位移和变形情况
E.连墙件偏离主节点的距离不应大于300mm。必须采用刚性连墙件。三步三跨或40m2范围内必须设置一个连墙件
[单选题]
雷电时,( )测量线路绝缘。
A.可以;
B.严禁;
C.可以但必须穿绝缘靴;
D.必要时可以。
[单选题]贷款授信审批委员会每次召开会议前由授信审批委员会办公室从信贷业务专家人才库中随机抽取( )名人员列席参加授信审批委员会会议,发表意见,无表决权。
A.1
B.2
C.3
D.4
[判断题]客运专线铁路精密工程测量是相对于传统的铁路工程测量而言,客运专线铁路的平顺性要求非常高,轨道测量精度要达到毫米级。
A.正确
B.错误
[不定项选择题]A.有效性
A.安全性
B.稳定性
C.均一性
D.有效性和安全性
E.在规定的适应症或者功能主治、用法用量的条件下,能满足预防、治疗、诊断人的疾病,有目的地调节人的生理机能的性能,是药品的
[判断题]贡布里希的著作《意大利文艺复兴时期的文化》既从艺术的角度解析文化,又从文化的角度解析艺术。
[单项选择]煤矿井下人体触电电流的安全极限为()。
A. 25mA
B. 30mA
C. 35mA
[单项选择]有关PostScript的描述中,错误的是()。
A. 是第二代页面描述语言(PDL)的标准
B. 是一种矢量或面向对象的语言
C. 可将图像和字体任意缩放并保证质量不变的页面描述语言
D. Postscript字体是可以完全升级的,而边缘通常是光滑的
[单选题] 反复发生的同类事故,并不一定产生完全相同的后果,这就是事故损失的偶然性。()原则告诉我们,无论事故损失大小,都必须做好预防工作。
A.预防
B.强制
C.偶然损失
[判断题]机车信号进行载频开关测试,机车信号机“上下行”指示灯应显示正确。
A.正确
B.错误
[多选题]HXN5BB型内燃机车转向架附件包括( )等。
A.轮缘润滑装置
B.转向架整体起吊装置
C.扫石器
D.撒砂装置
[单选题]单选题以下关于各项物业管理原则的理解中不正确的是( )。
A.权责分明原则,是指物业管理相关各方即业主、业主大会、业主委员会、物业服务企业等的权利与责任应当非常明确
B.依法行事原则,是指在物业管理活动中要以相关的法律、法规和签订的物业服务合同或前期物业服务合同为依据
C.业主主导原则,是指在物业管理活动中,业主永远是对的
D.服务第一原则,是指物业管理的根本任务是服务,寓管理于服务中
[单选题]瓦斯常常积聚在巷道( )。
A. 上部
B. 中部
C. 下部
[单项选择]《中华人民共和国宪法》规定,地方各级人民代表大会每届任期( )。
A. 五年
B. 三年
C. 四年
D. 省、直辖市、县、市、市辖区的人民代表大会每届任期五年。民族乡、镇的人民代表大会每届任期三年
[简答题]It is easier to_________________________(染上坏习惯) than to get into good ones.
[单选题]党的十八届五中全会强调,实现“十三五”时期发展目标,破解发展难题,厚植发展优势,必须牢固树立并切实贯彻发展理念是( )。
A.创新、协调、绿色、开放、共赢
B.创新、改革、绿色、协调、共赢
C.创新、协调、绿色、开放、共享
D.创新、协调、绿色、民主、共享
[单选题]偏心分层汽驱配汽装置主要由偏心配汽筒、堵塞配汽器组成,其主要配套工具为( )。
A.投捞器
B.伸缩管
C.高温单流阀
D.汽驱金属密封器
[单选题]采用邀请招标方式时,邀请对象至少应不少于( )。
A.4家
B.10家
C.5家
D.3家
[单项选择]
Very high waves are destructive when they strike the land. Fortunately, this seldom happens. One reason is that out at sea, waves moving in one direction almost always run into waves moving in a different direction. The two sets of waves tend to cancel each other out. Another reason is that water is shallower near the shore. As a wave gets closer to land, the shallow bottom helps reduce its strength.
But the power of waves striking the shore can still be very great. During a winter gale, waves sometimes strike the shore with the force of 6,000 pounds for each square foot. That means a wave, 25 feet high and 500 feet along its face, may strike the shore with a force of 75 million pounds.
Yet the waves, no matter how big or how violent, affect only the surface of the sea. During the most raging storms, the water a hundred fathoms (600 feet) beneath the surface is just as calm as on a day without a breath of wind.
From the second paragraph of th
A. constant
B. equalized
C. variable
D. perpetual
[单选题]有限空间作业监护人可同意未经授权的人员进入作业区域。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单项选择] Under the Earth’’s topsoil, at various levels, sometimes under a layer of rock, there am
deposits of clay. Look at cuts where highways have been built to see exposed clay beds; or
look at a construction site, where pockets of clay may be exposed. Rivers also reveal clay
along their banks, and erosion on a hillside may make clay easily accessible.
(5) What is clay made oF The Earth’’s surface is basically rock, and it is this rock that
gradually decomposes into clay. Rain, streams, alternating freezing and thawing, roots of
trees and plants forcing their way into cracks, earthquakes, volcanic action, and glaciers-all
of these forces slowly break down the Earth’’s exposed rocky crust into smaller and smaller
pieces that eventually become clay.
(10) Rocks are composed of elements and compounds of elements. Feldspar, which is the
most abundant mineral on the Earth’’s surface, is basically made up of the oxides silica and
A. iron
B. feldspar
C. granite
D. clay
[判断题]长时间在低温或高温环境下的高处作业,应采用保暖或防暑降温措施。
A.正确
B.错误
[多选题]心理咨询师掌握心理异常症状的知识,目的是为了精神障碍的()。
A.诊断
B.治疗
C.鉴别
D.转诊
[判断题]消防救援人员敬礼分为举手礼和注目礼。( )
A.正确
B.错误
[判断题]在夏季根据施工及作业的工艺过程,尽可能调整劳动组织,采取勤倒班的方式,缩短一次连续作业时间,加强工作中的轮换休息。(1分)
A.正确
B.错误
[单选题]下列选项中,可以适用死刑的是()
A.甲18岁生日当天杀死与其同居的女友后逃跑,23岁被抓获审判
B.乙18岁生日第二天与刘某发生口角后将刘某杀死
C.丙(女)因涉嫌故意杀人罪被羁押,为逃避被判处死刑,羁押期间与律师通谋,在律师会见时发生性关系而怀孕
D.丁因涉嫌故意杀人罪被提起公诉,审判期间自然流产
[单选题]执行两种防溜措施的车站和线路,连挂前可撤除一种防溜措施( )。
A.人力制动机
B.防溜铁鞋或木止轮器
C.人力制动机紧固器
D.防溜枕木
[单选题]高边坡开挖每梯段开挖完成后,应进行(
) 安全处理。
A.一次
B.二次
C.三次
D.四次
[单选题]电缆与电缆交叉铺设时,二者的垂直距离不得小于( )。
A.300 mm
B.400 mm
C.500 mm
D.600 mm
[单选题]在数字调制技术中,其采用的进制数越高,则( )
A.抗干扰能力越强
B.频谱利用率越高
C.占用的频带越宽
D.实现越简单
[多选题]高层民用建筑防烟楼梯间的设置应符合( )等规定。
A.楼梯间入口处应设前室、阳台或凹廊
B.前室和楼梯间的门均应为乙级防火门,并应向疏散方向开启
C.前室的面积,居住建筑不应小于6.00m2,公共建筑不应小于10.00m2
D.楼梯间应采用不低于
B1级的材料装修
E.楼梯间应按规定设置防烟排烟设施
[判断题]电力工程竣工必须进行交接试验,试验不合格也能投入运行。
A.正确
B.错误
[单选题]DCS是指()?
A.ATC列车自动控制子系统
B.计算机联锁子系统
C.列车自动监控子系统
D.数据传输子系统