热门试题:
[多选题]重庆跨座式单轨车的牵引主回路中，主熔断器箱内每只熔断器的额定电流是（ ），错误的说法。( )
A.250A
B.500A
C.750A
D.1000A
[判断题]矿井供电电缆可以用普通橡套电缆。()
A.正确
B.错误
[判断题]三相导线弛度误差不应超过设计值的-10%或+10%，一般档距内弛度相差不宜超过50毫米。
A.正确
B.错误
[单项选择]可用热敷的疾病（）
A. 牙痛
B. 踝关节扭伤早期
C. 尿潴留
D. 胃出血
[单选题]CRH5型动车组备用制动手柄处于紧急制动位可以引起 。
A.紧急制动
B.备用制动
C.辅助制动
D.电制动
[单项选择]Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (21) to how they can be best (22) such changes. Growing bodies need movement and (23) , but not just in ways that emphasize competition. (24) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (25) that comes from achieving success and knowing that their accomplishments are (26) by others. However, the typical teenage lifestyle is already filled with so much com petition that it would be (27) to plan activities in which there are more winners than losers, (28) , publishing newsletters with many student-written book reviews, (29) student artwork, and sponsoring book discussion clubs. A variety of small clubs can pro- vide (30) opportunities for leadership, as well as for pra
A. particularly
B. barely
C. definitely
D. rarely
[多选题]使用电动工具，不得手提（ ）。
A.导线
B.把手
C.转动部分
D.器身
[单项选择]Suppose you make your parents so happy, they decide to have another baby just like you. It might be flattering(讨人喜欢的), but how would you feel about having a little brother or sister who is also your twin
A laboratory experiment conducted last fall suggests it may someday be possible. For the first time ever, scientists made exact copies, or clones(克隆), of a human embryo.
Although the embryos grew for only six days, cloned embryos could theoretically be implanted in a woman’s womb(子宫)and develop into normal babies. Or they could be frozen and implanted years later.
The scientists developed their cloning technique to make it easier for childless couples to have babies by in vitro(在体外的)fertilization. In this procedure, sperm(精子) from the man fertilizes an egg from the woman in a laboratory dish.
In most case, doctors must try implanting several embryos before one stays in the womb. Cloned embryos would give them many more embryos to implant.
But the technique coul
A. Right
B. Wrong
C. Not mentioned
[单项选择]《灵枢·邪客》指出："积于胸中，出于喉咙，以贯心脉，而行呼吸焉"的气是（）
A. 肺气
B. 心气
C. 营气
D. 卫气
E. 宗气
[单项选择] The home service industry in Beijing is expected to become more attractive both as a job and as an industry.
Sources at the Beijing People’’s Political Consultative Conference said resistance to home service work is melting away from minds of the city’’s laid-off workers. The Conference suggested the establishment of municipal centers which supervise property management, household mending and installation, and house keeping services. Modern city life is creating a need for industrialization home services. This will create job opportunities for laid-off workers, said vice director of the Social Judicial Committee of the Conference.
Beijing residents have long desired a home service industry. The demand is expected to drive new economic growth. There are few high quality home help services in Beijing and customers are always complaining.
In the past, few laid-off workers in Beijing desired to work as home helpers, jobs largely taken by young women from the countryside.
A. Low salary.
B. Lower social status.
C. Dirty working condition.
D. Too much extra work.
[判断题]新职人员经岗前安全理论培训合格后，到班组进行师带徒实作培训时，须签订师徒合同。师徒合同一式3份，车间、师傅、学员各一份。
A.正确
B.错误
[单项选择]下列除哪项外，均属心火偏亢子淋的主要证候（）
A. 妊娠期间，尿少色深黄
B. 排尿艰涩而痛
C. 面色垢黄
D. 面赤心烦，口舌生疮
E. 舌红脉细滑数
[多选题]解决家庭困难办理调转的基本条件：（）。
A.本单位累计工作年限满3年及以上
B.本单位累计工作年限满5年及以上
C.身边无子女
D.父母年满70周岁
[判断题]CRH380B型动车组牵引变流器的功能是进行电制的转换，以满足牵引列车及牵引控制对电能形式的需求。
A.正确
B.错误
[单选题]《建筑设计防火规范》规定，设置在地上一、二、三层的歌舞娱乐放映游艺场所且任意一层建筑面积超过( )m2时应设置自动喷水灭火系统。
A..．100
B..．150
C..．200
D..．300
[单项选择]放射性惰性气体吸入显像与放射性气溶胶吸入显像的根本不同之处在于
A. 两种显像方法所用显像剂不同
B. 两种显像方法的采集参数不同
C. 两种显像方法所用装置不同
D. 放射性气溶胶吸入显像反映的是进入气道气溶胶的分布状态，无法判断气道的清除功能状态
E. 放射性惰性气体吸入显像反映的是进入气道惰性气体的分布状态，无法判断气道的清除功能状态
[单项选择]以下哪项不属于红斑狼疮关节损害：
A. 四肢大小关节疼痛
B. 晨僵现象
C. 关节周围软组织肿胀
D. 骨关节X线检查有骨质破坏变形
E. 可发生股骨头坏死
[判断题] 电气设备停电后(包括事故停电),在未拉开有关刀闸或做好安全措施前,若进入遮栏检查设备时,必须有监护人在场。
A.正确
B.错误
[多选题]同一区间或站内有（ ）及以上单位综合利用天窗进行维修作业时应召开（ ）。/*宁铁施工〔2022〕80号*/
A.两个
B.三个
C.维修协调会
D.维修预备会
[单选题]矫正钢梁弯曲杆件时可使用整直器.千斤顶.（）或用大锤(个别缀条)来进行整治。
A.滑车或滑车组
B.卷扬机
C.电动葫芦
D.液压机
[单项选择]血管瘤多发生于（ ）
A. 长骨骨干
B. 椎体和颅骨
C. 短管状骨
D. 骨盆
E. 干骺端
[单项选择]能源技术是第一次技术革命和第二次技术革命时期的带头技术。虽然能源技术在当代已失去其先导技术的地位，但作为现代工业技术基石的能源技术仍然举足轻重，尤其在当今石化能源日益短缺的条件下，其发展对整个人类社会的发展是至关重要的。 这段话主要支持了这样一种论点，即能源技术( )。
A. 是科技革命的带头技术
B. 已经失去以前的先导技术地位
C. 对人类社会的发展至关重要
D. 发展前景并不广阔
[单选题]如果用万用表小量程去测量大电压，则会（ ）。
A.读数不准确
B.读数更准确
C.有烧表危险
D.无任何指示
[单选题]线路工程核心劳务分包队伍纳入施工企业作业层班组建设，实现“实行统一管理，（）、统一培训、统一奖惩”
A.统一服装
B.统一制度
C.统一体系
D.统一标准
[多选题] 为加强电力生产现场管理，规范各类工作人员的行为，保证（ ）安全，依据国家有关法律法规，结合电力生产的实际，制定本规程。
A.人身
B.电网
C.设备
D.设施
[判断题]固体催化剂一般由活性组分、助催化剂和载体组成。
A.正确
B.错误
[判断题]采取托运方式回送的机车原则上沿途不得入机务段。
A.正确
B.错误
[判断题]根据《网络安全法》的规定，市级以上地方人民政府有关部门的网络安全保护和监督管理职责，按照国家有关规定确定。
A.正确
B.错误
[单项选择]以下病史提供者，一般情况下哪项最可靠
A. 患者亲属
B. 患者本人
C. 转诊资料
D. 陪护人
E. 监护人
[多选题]提取物证记录应包括（）
A.提取位置
B.提取数量
C.提取方法
D.见证人或当事人
[单选题]分工作票应一式两份，由（ ）和分工作票负责人分别收执。
A.工作许可人
B.总工作票负责人
C.运维管理单位负责人
D.施工单位负责人
[单项选择]1951年，北京市人民政府授予老舍的荣誉称号是
A. 功勋艺术家
B. 幽默大师
C. 人民艺术家
D. 语言大师
[判断题]《国家电网公司变电检测管理规定》规定:地市公司运检部每年对管辖二类变电站全部进行检查考核，对管辖三、四类变电站抽查考核的数量不少于三分之一。
A.正确
B.错误
[单选题]《房屋建筑和市政基础设施工程竣工验收备案管理办法》的颁布是由( )。
A.国家主席签署主席令公布
B.国务院总理签署国务院令公布
C.国家发改委主任签署命令公布
D.住建部部长签署命令公布
[判断题]GMP Snoopinn 运行在数据链路层,用于管理和控制组播组,并解决了组播报文在三层广播的问题
A.正确
B.错误
