热门试题:
[多选题]CPU能直接访问的存储器是( )(2次)
A.ROM
B.RAM
C.Cache
D.外存储器
[判断题](47143)( )大型钢轨打磨列车适用于钢轨波浪形磨耗、鱼鳞裂纹等的打磨。(1.0分)
A.正确
B.错误
[判断题]根据《建设工程安全生产管理条例》,施工单位应当制定本单位生产安全事故应急救援预案,建立应急救援组织或者配备应急救援人员,配备必要的应急救援器材.设备.并定期组演练。
A.正确
B.错误
[单项选择]下列荷载中,属于偶然荷载的是()。
A. 预加应力
B. 混凝土收缩
C. 撞击力
D. 基础沉降
[判断题]断路器的触头材料对灭弧没有影响,触头应采用熔点高、导热能力一般和热容量大的金属材料。
A.正确
B.错误
[单选题]某人被重物砸伤双股骨干骨折,住院2天,突然意识丧失,呼吸困难,皮肤可见点状出血,肢体末端紫红发凉,可能是( )。
A.硬脑膜外血肿
B.足内血肿
C.脑损伤
D.坠积性肺炎
E.脂肪栓塞
[单选题]段管线内配有调车机车(动力)时,调车工作由( )自行负责。
A.机务段
B.工务段
C.车站
D.该段
[单选题]下列与自身免疫性疾病发病无关的因素是
A.服用某些药物引起的自身组织抗原的改变
B.隐蔽抗原的释放
C.机体免疫功能异常
D.长期使用广谱抗生素引起的菌群失调
E.遗传因素
[判断题]( )在电缆终端头、电缆接头处,人井内应装设标志牌。
A.正确
B.错误
[判断题]通电导线周围和磁铁一样也存在着磁场,这种现象称为电流磁效应。
A.正确
B.错误
[单项选择]下列设备中,不能使用有接头的钢丝绳是()。
A. 平巷运输设备
B. 斜巷钢丝绳牵引带式输送机
C. 斜巷无极绳绞车
D. 30°以上倾斜井巷中专为升降物料的绞车
[单项选择]American culture has been enriched by the values and belief systems of virtually every part of the world.
The one value that nearly every American would agree upon is individual freedom. Whether you call it individual freedom, individualism, or (62) , it is the cornerstone of American values. It permeates every (63) of their society.
(64) their economic system may be dominated by large corporations, the majority of American businesses are small, and many are owned by an individual or a family. It is part of the "American dream" to "be your own boss", and being an entrepreneur is one of the most (65) ways to improve one’s economic future.
Education is often regarded as the key to opportunity, (66) financial security. Arriericans take a pragmatic (67) to learning, so what one learns outside the classroom (68) internship, extracurricular activities and the like are often considered as important as what is learne
[判断题]任何时候船长都必须确保值班的安排足以保证船舶安全。
[单选题] 销毁秘密文件、资料要履行( )手续,并由两名以上工作人员到指定场所监销
A. 审批、登记
B. 交接
C. 清点
D. 审计
[单项选择]用基因工程的方法构建的疫苗不包括下列哪一种()
A. 亚单位疫苗
B. 基因工程疫苗
C. 活载体疫苗
D. 减毒活疫苗
E. 分子疫苗
[单选题]一元论都承认的观点有
A.世界是变化发展的
B.世界有统一性
C.世界是可知的
D.思维可以认识存在
[多选题]在如图所示的 RSTP 网络中,根据图中对 swC.的配置,可判断 swC.的 E0/1 端口的类型是: (多选)
A.指定端口
B.根端口
C.预备端口
D.边缘端口
[单选题]一般情况下,身穿薄衣的成人穿着救生衣在摄氏 10 度的水温中如采用保暖姿势可生存______小时。
A.2
B.3
C.4
D.5
[单项选择]下列哪个药可用于三焦热盛,目赤肿痛,心烦口渴
A. 黄连上清丸
B. 一清胶囊
C. 芩连片
D. 三黄片
E. 牛黄上清丸
[单选题]在陕西移动2021-2023年战略规划中“融合强能”之“融合市场模式”是( )的融合发展。
A.①②
B.②③
C.①②③
D.①③
[多选题]架桥机的1号柱(前支腿)2号柱(后支腿)用200mm硬质杂木枕支垫时,应符合__________要求。
A.不得超过两层
B.超过2层应制作钢垫箱与横移走行梁固定
C.用圆钢调平
D.加装支腿加长节段加高支腿
[单项选择]固体分散体中药物溶出速度的比较
A. 分子态>无定形>微晶态
B. 无定形>微晶态>分子态
C. 分子态>微晶态>无定形
D. 微晶态>分子态>无定形
E. 微晶态>无定形>分子态
[多选题]下列费用中,属于建筑安装工程闾接费中规费的有 ()
A.劳动保险费
B.环境保护费
C.医疗保险费
D.临时设施费
E.住房公积金
[判断题]测温仪表测量温度时,可以与被测介质成顺流安装。
[单选题]轻度营养不良患儿调整饮食时,开始供给热量为
A.40~60kcal/kg
B.60~80kcal/kg
C.80~100kcal/kg
D.100~120kcal/kg
E.120~140kcal/kg
[单选题]148. 油田内所有油井(除去计划关井和报废井)应该生产的油量的总和叫( )。
A.生产水平
B.生产能力
C.计划产量
D.日标产量
[填空题]严禁 ( ) ,不准通过信息应用系统采集、传输、保存、处理各类涉密信息。
[多选题]资格审查主要审查潜在投标人或者投标人是否符合下列条件:
A.具有独立订立合同的权利
B.没有被处于被责令停业,投标资格被取消,财产被接管、冻结,破产状态
C.具有履行合同的能力,包括专业、技术资格和能力,资金、设备和其他物质设施状况,管理能力,经验、信誉和相应的从业人员
D.国家规定的其他资格条件
[单选题]红外光束型感烟探测器面板上的LED指示灯显示琥珀色表示探测器( )。
A.正常
B.报警
C.故障
D.损坏
[单项选择]In 1929 John D. Rockefeller decided it was time to sell shares when even a shoe-shine boy offered him a share tip. During the past week The Economist’s economics editor has been advised by a taxi driver, a plumber and a hairdresser that "you can’t go wrong" investing in housing-the more you own the better. Is this a sign that it is time to get out At the very least, as house prices around the world climb to ever loftier heights, and more and more people jump on to the buy-to-let ladder, it is time to expose some of the fallacies regularly trotted out by so many self-appointed housing experts.
One common error is that house prices must continue to rise because of a limited supply of land. For instance, it is argued that "house prices will always rise in London because lots of people want to live here". But this confuses the level of prices with their rate of change. Home prices are bound to be higher in big cities because of land scarcity, but this does not guarantee that urban hou
A. It is time to illustrate some popular fallacies about buying a home.
B. Some popular flawed arguments about buying a home should be made known to the public for the time being.
C. People should be punctual in business dealings of shares and housing.
D. Alan Greenspan’s claim can hold water with respect to fallacy member three.
[单项选择]对(),消费者要求经营者修理、更换或退货的,经营者应承担运输等合理费用。
A. 三包的大件商品
B. 三包的所有商品
C. 三包的家用电器
D. 所有商品
[单选题]声压反射率为负号,表示反射波相位与入射波相位有何种关系?()。
A.相同
B.相反
C.无关
D.以上都不对
[多选题]铁路技术设备的养护维修工作坚持( )的原则。
A.预防为主
B.检修与保养并重
C.预防与整治相结合
D.综合治理