热门试题:
[单选题]YD07CG011110在受电装置一次侧装有连锁装置互为备用的变压器,按可能同时使用的变压器容量之和的()计算其基本电费。
A.最小值
B.额定值
C.最大值
D.不用
[单选题]学生在日常学习中使用画重点线的策略,这是利用了知觉的( )。
A.选择性
B.理解性
C.整体性
D.恒常性
[判断题]零基预算是将前一时期预算水平作为下一时期预算编制的影响因素加以考虑。
[单选题]在自动闭塞区间内运行遇机车信号或LKJ(GYK)故障时,司机应立即报告()(车站值班员),车站值班员报告列车调度员。(高铁技规第362条)
A.调度员
B.列车调度员
C.助理值班员
[判断题]单齿纹锉刀主要用来锉削硬金属。
A.正确
B.错误
[单项选择]可用于鉴别烷烃和卤代烃的试剂是()
A. 氨水
B. 硝酸银溶液
C. 四氯化碳
D. 酸性高锰酸钾溶液
E. 氢氧化钠溶液
[单项选择]脾气虚损,运化无力而导致水湿内停,其病理变化属于()
A. 虚中夹实
B. 实中夹虚
C. 由实转虚
D. 因虚致实
E. 真虚假实
[单选题]
试运前,应与运行中的管道设置隔离盲板,对水或蒸汽管道如果以阀门隔离时,阀门两侧温差不得超过( )。
A. 50℃
B.100℃
C.150℃
D.200℃
[判断题]汽车危险警告信号白天在距其50米以内能观察到其工作状况即为正常。
[判断题]在施工现场,需要三相四线制配电的电缆线路必须采用四芯电缆
A.正确
B.错误
[判断题]带电断、接空载线路时,应确认线路的另一端断路器(开关)和隔离开关(刀闸)确已断开,接入线路侧的变压器、电压互感器确运行后,方可进行。
[单选题]调整安装的配电柜时,应使其垂直误差不大于柜高( )。
A.1/1000
B.1.5/1000
C.2/1000
D.2.5/1000
[单项选择] Language learning begins with listening. Individual children vary greatly in the amount of listening they do before they start speaking, and late starters are often long listeners. Most children will "obey" spoken instructions some time before they can speak, though the word "obey" is hardly accurate as a description of the eager and delighted cooperation usually shown by the child. Before they can speak, many children will also ask questions by gestures and by making questioning noises.
Any attempt to trace the development from the noises babies make to their first spoken words leads to considerable difficulties. It is agreed that they enjoy making noises, and that during the first few months one or two noises sort themselves out as particularly indicative(标示的)of delight, distress, sociability, and so on. But since these cannot be said to show the baby’’s intention to communicate, they can hardly be regarded as early forms of language. It is agreed, too, that from about three m
A. he probably has known that mother should be called in this way
B. he probably does not know the sound Stands for "mother"
C. he probably has already known the meaning of mama
D. it is the first meaningful sound pronounced by him
[单项选择]
根据规定,每次弃船演习的内容应包括()。
Ⅰ.使用报警系统,召集船员、旅客至集合地点;
Ⅱ.检查船员、旅客穿着是否合适;
Ⅲ.查看是否正确地穿好救生衣;
Ⅳ.降下全部救生艇。
A. Ⅰ~Ⅳ
B. Ⅰ~Ⅲ
C. Ⅱ~Ⅳ
D. Ⅰ、Ⅱ、Ⅳ
[单选题]关于各部门生产调度(维修部调度、车辆部调度、物资部值班人员)汇报规定描述错误的是( )
A.接到现场情况报告时,要问清现场情况并立即向OCC、部门负责人报告。
B.接OCC通报后,须立即通知部门负责人、救援队主要成员。
C.接员工人身伤害事件报告时,立即向部门负责人报告。
D.各部门内部通报程序可自行制定。
[单项选择]下列抗结核药物中哪项不是杀菌剂
A. 异烟肼
B. 链霉素
C. 利福平
D. 乙胺丁醇
E. 吡嗪酰胺
[单选题](2019年真题)下列不属于金融衍生工具特征的是( )。
A.跨期性
B.杠杆性
C.确定性
D.联动性
[判断题]远期外汇买卖业务发生违约时,产生的损益均由客户承担。( )
A.正确
B.错误
[单选题]小型养路机械上道作业时,( )应确认设置好防护。
A.施工负责人
B.驻站联络员
C.车站值班员
D.现场防护员
[单选题]额定电压1-35kV挤包绝缘电力电缆命名方法,电力电缆代号含义:表示铠装代号为细圆钢丝铠装的符号为2。()
A.正确
B.错误
[判断题]不得安排有职业禁忌的劳动者从事其所禁忌的作业。
A.正确
B.错误
[多选题]TSG T7005-2012《检规(简称)-自动扶梯与自动人行道》规定:自动扶梯或者自动人行道安装使用维护说明书,应包括( )操作说明。
A.安装
B.使用
C.日常维保
D.应急救援
[单项选择]多囊肾为
A. 肾小球的囊状扩张
B. 肾淋巴管的囊状扩张
C. 肾集合管的囊状扩张
D. 肾小盏的囊状扩张
E. 肾实质内小静脉的囊状扩张
[单项选择]欲移取25mLHCl标准溶液标定NaOH溶液浓度,选用的量器是()。
A. 容量瓶;
B. 量筒;
C. 移液管;
D. 滴定管。
[判断题]汛期、雨雪、大风等恶劣天气或事故巡视应配备必要的防护用具、自救器具和药品;夜间巡视应保持足够的照明。
A.正确
B.错误
[单选题]关于关节韧带的描述,正确的是
A.颞下颌韧带亦是颞下颌关节外侧面坚强的侧副韧带
B.颞下颌韧带是颞下颌关节内侧面一对坚强的侧副韧带
C.下颌主要由茎突下颌韧带悬挂
D.防止下颌过度向前移位的韧带是蝶下颌韧带
E.颞下颌韧带主要防止关节向前方脱位
[单项选择]与造成牙槽嵴低平的下颌全口义齿舌侧产生气泡的原因无关因素是
A. 塑料填塞不够
B. 塑料填塞过早
C. 塑料在面团期填塞
D. 塑料填塞时压力不足
E. 热处理过快
[单项选择]
Tom and Bob visited the zoo in the suburb of the city where they live together. The zoo was quite large and it was (36) to go everywhere. They had to decide where to go and which animals to visit, since their time was (37) . So both of them agreed not to (38) after choosing a (39) at every fork(岔路口).
A road sign at the first fork (40) one way to the lion area and the other to the tiger hill. They took the former after a (41) discussion because lions were "the king of the grassland". The second showed a division going separately to the panda and peacock. They (42) panda as it was the nation’s treasure and went its way. (43) they made choices all along the way and each choice meant (44) what they couldn’t help regretting. But they had to make it, and (45) , for it brooked(容忍) no delay. If they hesitated(犹豫不决) they would miss (46) . Only (47) decisio
A. hoped
B. wanted
C. favored
D. got
[多选题]交联聚乙烯电缆导体使用紧压型线芯的原因是(____)。
A.为使外表面光滑,避免引起电场集中
B.为防止挤塑屏蔽层时半导电料进入线芯
C.可有效地阻止水分顺线芯渗透
D.有利于电缆弯曲
[判断题]燃气灶前软管在特殊情况下可穿过墙、门和窗等。
A.正确
B.错误
[多项选择]在分析资产负债表时,下列说法正确的有( )。
A. 资产并不代表盈利能力和偿债能力
B. 实物资产包括货币资金、存货、长期投资、固定资产、长期待摊费用等
C. 虚资产即没有实物形态的资产
D. 价值有水分的资产的形成原因有理论上的缺陷、实务上的操作等
E. 评价时应注意固定资产净值占原值的比重
[判断题]如果采空区距地表不深时,可以从地表向采空区打钻孔抽采。( )
A.正确
B.错误
[判断题]直流测速发电机,若其负载阻抗越大,则其测速误差就越大。
A.正确
B.错误
[单选题]( )问题,是社会主义建设首先必须把握的基本战略问题。
A.经济基础与上层建筑的关系
B.时代主题
C.姓“资”姓“社”
D.人民群众是不是赞成和拥护
[判断题]经济全球化条件下谈爱国主义已经不合时宜了。
A.正确
B.错误