热门试题:
[单项选择]
Steamships were first introduced into the United States in 1807, and John Moison built the first steamship in Canada(then called British North America)in 1809. By the 1830s dozens of steam vessels were in use in Canada. They offered the traveler reliable transportation in comfortable facilities--a welcome alternative to stagecoach travel which at the best of times could only be described as wretched. This commitment to dependable river transport became entrenched with the investment of millions of dollars for the improvement of waterways, which included the construction of canals and lock systems. The Lachine and Welland Canals, two of the most important systems, were opened in 1825 and 1829, respectively. By the time that Upper and Lower Canada were united into the Province of Canada in 1841 ,the public debt for canals was more than one hundred dollars per capita, an enormous sum for the time. But it may not seem such a great amount if we consider that improvements allowe
A. Quick.
B. Safe.
C. Dependable.
D. Luxurious.
[单选题]遥控功能是指:FTU应能接受( )命令控制开关合闸和跳闸以及起动储能过程等。
A.就地
B.手动
C.远方
D.人工
[单选题]以下属于负反馈调节的是( )。
A.减压反射
B.排便反射
C.血液凝固
D.分娩过程
[单项选择]对建立正常的咬合关系起重要作用、应尽量保留的牙是().
A. 尖牙
B. 第一双尖牙
C. 第二双尖牙
D. 第一磨牙
E. 第二磨牙
[单选题]中国新民主主义革命的性质是资产阶级民主革命,这是因为( ).
A.革命的指导思想是资产阶级民主主义
B.资产阶级掌握革命的领导权
C.革命的任务是反帝国主义、反封建主义
D.资产阶级也是革命的动力
[单项选择]民用商品入境验证是指对国家实行进口质量许可制度和( )的民用商品,在通关入境时,由出入境检验检疫机构核查其是否取得必需的证明文件。
A. CCC标志
B. 强制性产品认证
C. 安全标志
D. 检验检疫标志
[多项选择]关于往复压缩机标准API618中对下列内容进行规范()。
A. 基本设计
B. 辅助设备
C. 检查试验
D. 运行维护
[多项选择]回收物流是将不合格的物品的()从需方向供方所形成的物品实体流动。
A. 返修
B. 退货
C. 单证
D. 周转使用的包装容器
E. 废料
[多项选择]从狭义的角度来看,房地产开发与房地产经营的区别主要表现为()。
A. 两者的主体不完全相同
B. 在房地产项目市场运作过程中所处的阶段不同
C. 两者对主体的资格要求不一样
D. 两者所指向的行为对象不同
E. 随着房地产市场的完善,两者的作用会发生根本性变化
[单项选择]工程网络计划中工作的自由时差和总时差均表示工作所具有的机动时间,如果计划工期等于计算工期,则()。
A. 自由时差等于总时差
B. 自由时差大于总时差
C. 自由时差不会超过总时差
D. 自由时差可能大于也可能小于总时差
[单项选择]紧固喷油泵压紧螺套时,若拧紧力矩过大,会()。
A. 损坏泵体
B. 使柱塞偶件卡滞
C. 使出油阀卡滞
D. 使出油阀弹簧压力过大
[单选题]根据《合同法》对违约责任的规定,既具有对合同守约方给予补偿,又具有对违约方实行制裁双重性质的承担违约责任的方式是()
A.罚金
B.利息
C.赔偿金
D.违约金
[单选题]以核酸为模板进行增殖的微生物是
A.细菌
B.衣原体
C.病毒
D.立克次体
E.真菌
[判断题]机械加压送风系统应采用管道送风,且不应采用土建风道。
A.正确
B.错误
[单选题]铺设非标准长度钢轨或再用轨,无厂制缩短轨时,钢轨接头可采用相错式,其相错量不得小于( )。
A.2m
B.3m
C.4m
D.5m
[单选题]屈光界面各子午线焦力不等称为
()
A.近视
B.远视
C.老视
D.散光
[填空题]支队级以上单位部署安排思想政治教育,应当给所属部队留出自行安排教育的时间,支队级单位原则上不少于年度思想政治教育时间的(),大队每月不少于(),中队每月不少于()。
[单项选择]侧卧曲股,当股骨大转子高点与骶管裂孔连线的外1/3与内2/3交点处的腧穴是()
A. 风市
B. 环跳
C. 曲泉
D. 承扶
E. 委中
[多选题]根据《生产经营单位安全培训规定》规定,班组级岗前安全培训内容应当包括( )
A. .岗位安全操作规程
B. .岗位之间工作衔接配合的安全与职业卫生事项
C.有关事故案例
D.其他需要培训的内容
[判断题]《普速铁路接触网运行维修规则》规定:达到或超出限界值的一级缺陷纳入一级修(临时修),由发现工区及时组织修理;
A.正确
B.错误
[单选题]如果爆破施工现场条件突然变化时爆破工程技术人员应采取的应急措施有()。
A.根据地质、地形情况的变化,修改调整爆破参数
B.以上均是
C.根据已施工完成的孔网参数和成孔情况,制订补钻方案
[多选题]公司进行利润分配时,应在提取任意公积金前分配的有( )。
A.向投资者分配利润
B.向股东分配股利
C.提取留作以后年度分配的利润
D.弥补公司以前年度亏损
E.提取法定公积金
[多项选择]高强混凝土的矿物掺合料目前已发布国家标准的产品有()。
A. 硅灰
B. 磨细天然沸石
C. 磨细粉煤灰
D. 磨细矿渣
[多选题]建立一个上下联系,纵横交错的投诉处理体系,应由哪几个层面的实行相应的措施?
A.操作层,
B.管理层,
C.监督层,
D.决策层
[填空题] Enter the information age. Information is the raw material for many of the business activities (B1) this new era, just as iron and steel were the basic commodities in the (B2) of the industrial age.
The world’’s knowledge is said to be doubling every eight years. This knowledge (B3) is stimulating economic progress. The need to collect, analyze, and communicate great (B4) of information is producing new products and services, creating jobs, and (B5) career opportunities.
The information age is (B6) considered to be a phenomenon of the service sector of the economy, (B7) than a product of heavy industry. Certainly, rocketing information technologies are creating new capabilities (B8) knowledge-based service spheres. (B9) changes just as dramatic are (B10) industry, giving people the (B11) to do challenging work in exciting new ways.
Manufacturing is full (B12) in the information age. From design to production, the manufacturing (B13) has long bee
A. A.seeking
B.stimulating
C.shaping
D.securing
[单项选择]
It is often observed that the aged spend much time thinking and talking about their past lives, (21) about the future. These reminiscences are not simply random or trivial memories, (22) is their purpose merely to make conversation. The old person’s recollections of the past help to (23) an identity that is becoming increasingly fragile: (24) any role that brings respect or any goal that might provide (25) to the future, the individual mentions their past as a reminder to listeners, that here was a life (26) living. (27) , the memories form part of a continuing life (28) , in which the old person (29) the events and experiences of the years gone by and (30) on the overall meaning of his or her own almost completed life.
As the life cycle (31) to its close, the aged must also learn to accept the reality of their own impending (即将发生的) death. (32) this task is made
A. keeps
B. draws
C. inclines
D. tends
[多选题]根据《干部人事档案工作条例》规定,凡发现档案材料或者信息涉嫌造假的,组织人事部门等应当立即查核,未核准前,一律暂缓()或者暂停()等程序。
A.考察
B.任职
C.录用
D.聘用
E.调动
[单选题]根据相关法律规定,信托目的须具有( )。
A.合理性
B.经济性
C.收益性
D.合法性
[单项选择]ATI系统诊断出的列车故障等级分为()级
A. 3
B. 4
C. 5
D. 2
[单项选择]不属于护理理论四个基本概念的是
A. 人
B. 健康
C. 保健
D. 环境
E. 护理
[单项选择]生物活性最强的天然雌激素是
A. 雌酮
B. 雌二醇
C. 黄体酮
D. 孕烷二醇
E. 雌三醇
[判断题]旅客不能按票面指定的日期、车次乘车时,在不延长客票有效期的前提下,可以在任何售票点办理提前或改晚乘车签证手续。
A.正确
B.错误
[单项选择]全同胞后代的近交系数是()。
A. 50%
B. 25%
C. 12.5%
D. 6.25%
[单项选择]建筑工程监理应依据相关法律法规及有关标准和承包合同,对承包单位在施工质量、建设工期和建设资金使用等方面,代表建设单位实施监督。工程监理人员可正确行使()权力。
A. 工程监理人员认为工程施工不符合合同约定,需报告建设单位要求施工企业改正
B. 工程监理人员发现工程设计不符合质量要求,需报告建设单位要求设计单位改正
C. 工程监理人员认为施工不符合工程设计要求,无权要求建筑施工企业改正
D. 工程监理人员发现工程设计不符合合同约定的质量要求的,有权要求设计单位改正
[判断题]电压互感器的一次侧中性点接地属于工作接地。
A.正确
B.错误
[判断题]建立健全电力监控系统安全防护评估制度,采取以自评估为主、检查评估为辅的方式,将电力监控系统安全防护评估纳入电力系统安全评价体系。
A.正确
B.错误