热门试题:
[单选题]智能电能表交流电压试验时，试验区域应设安全围栏，围栏上悬挂适当数量的“止步，高压危险！”标示牌，标示牌应朝向围栏（ ）。
A.外面
B.里面
C.上面
[单项选择]在合同文件中，（）是极为重要的组成部分，在合同解释中优先于其他文件。
A. 合同协议书
B. 投标文件
C. 合同补遗或合同纪要
D. 主要技术和商务文件
[单项选择]组成人体蛋白质多肽链的基本单位是（）。
A. L-α-氨基酸
B. D-α-氨基酸
C. L-β-氨基酸
D. D-β-氨基酸
E. L-ω-氨基酸
[单项选择]成年人每日供给必需脂肪酸的量应达到总能量的（）
A. 3％
B. 10％
C. 15％
D. 20％
E. 30％
[单选题]GDP是各国核算国民经济活动的重要指标，下列哪一项含在GDP内。()
A.出售旧车的收入
B.支付200元给股票经纪商
C.购买股票200元
D.以1000元卖出上个月9000元购进的债券
[单项选择]某职工被鉴定为因工致四级伤残。根据《工伤保险条例》，其保留劳动关系，退出工作岗位后可以享受的伤残待遇是（）。
A. 一次性伤残补助金，标准为20个月的本人工资
B. 按月支付的伤残津贴，标准为本人工资的75%
C. 生活护理费，标准为上年度统筹地区职工月平均工资的80%
D. 供养亲属抚恤金，标准为职工本人工资的50%
[简答题]什么是单元机组锅炉跟随汽轮机的控制方式？
[多选题]高铁区间轨道电路一共有下列（）Hz调谐匹配单元。
A.A、1700
B.B、2000
C.C、2300
D.D、2600
[单项选择]Office jobs are among the positions hardest hit by computation. Word processors and typists will lose about 93,000 jobs over the next few years, while 57,000 secretarial jobs will vanish. Blame the PC: Today, many executives type their own memos and carry their "secretaries" in the palms of their hands. Time is also hard for stock clerks, whose ranks are expected to decrease by 68,000. And employees in manufacturing firms and wholesalers are being replaced with computerized systems.
But not everyone who loses a job will end up in the unemployment line. Many will shift to growing positions within their own companies. When new technologies shook up the telecomm business, telephone operator Judy Dougherty pursued retraining. She is now a communications technician, earning about $ 64,000 per year. Of course, if you’ve been a tollbooth collector for the past 30 years, and you find yourself replaced by an E-ZPass machine, it may be of little consolation to know that the telecomm fiel
A. Blaming the PC
B. The booming telecomm field
C. Internet distance learning
D. Keeping up with computation
[多选题]进入新世纪,党中央顺应世界( )的时代潮流,始终不渝走和平发展道路。
A..同立场
B..求和平
C..谋发展
D.. 促合作
[判断题]警冲标应设在两会合线间距离为4m的中间。
A.正确
B.错误
[单项选择]文明生产中，（）是关系到广大职工身体健康和生命安全的大问题，是实现文明生产的基本条件。
A. 做好生产技术准备
B. 提高工人的责任感
C. 改善安全技术设施
D. 清洁环境卫生
[单选题]纵向水平杆设置在立杆内侧，其高度不得小于（）跨
A.1
B.2
C.3
D.4
[判断题]( )IEEE LAN 标准主要定义了 802.X 协议族,其中无线局域网(WLAN)标准为802.4。
A.正确
B.错误
[单选题]慢性病毒性肝炎病程大约是()
A.3个月以上
B.半年以上
C.1年以上
D.2年以上
E.3年以上
[单选题] 203．单级封隔器找水施工自下而上的顺序是（）。
A.油管+工作筒+油管+封隔器+油管+工作筒+油管+油管挂
B.丝堵+工作筒+封隔器+油管+工作筒+油管挂
C.丝堵+油管+常开滑套+封隔器+常关滑套+油管+油管挂
D.丝堵+油管+工作筒+工作筒+封隔器+油管+油管+油管挂
[单选题]对出入口的楼梯升降机控制柜能适应露天的工作条件，外壳等级不小于IP（ ）。
A.35
B.45
C.55
D.65
[判断题]干式变压器是指铁芯和绕组浸渍在绝缘液体中的变压器。()
A.正确
B.错误
[单项选择]DOM is a platform and language- (51) API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented (52) . DOM is a (53) -based API to documents, which requires the whole document to be represented in (54) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (55) documents that do not fit info the memory available for processing.
A. specific
B. neutral
C. contained
D. related
[多选题]货物在铁路运输过程中（自铁路运输企业接收货物时起，至将货物交付收货人时止）发生（ ）属于货物损失。
A.短少
B.灭失
C.损坏
D.有票无货
[多项选择]下列有关对糖尿病高渗高血糖非酮症性昏迷，说法正确的是（）
A. 尿糖强阳性时，尿酮体阴性或弱阳性
B. 临床特征为严重高血糖（血糖>300mg/dl以上）
C. 血浆高渗，但无酮症酸中毒
D. 用胰岛素治疗时，胰岛素用量比酮症酸中毒时用量大
E. 多发生于非胰岛素依赖型糖尿病
[单项选择]A good memory is a great help in learning a language. Everybody (41) his own language by remembering what he (42) when he is a small child. Some boys and girls who live in foreign countries (43) their parents seem to learn two languages almost as (44) as one. At school it is not easy to learn (45) second language because the pupils have (46) time for it, and they are busy with other subjects, too.A. same B. as C. like
[简答题]什么叫动火？动火的安全措施有哪些？常用哪些方法？
[多选题]配备消防员应当遵循()的原则
A.人员比例
B.专业对口
C.定岗定位
D.自由选择
[多选题]ZP系统状态检查记录主要包括：( )o
A.JG波长
B.JG功率
C.JG时序
D.装料
[单项选择]目前酶活力测定最常用的方法是（）
A. 荧光法
B. 同位素法
C. 量气法
D. 比浊法
E. 吸收光谱的分光光度法
[不定项选择题]提示自身免疫性溶血性贫血的是（ ）。
A.含铁血黄素尿
B.Ham实验阳性
C.红细胞渗透脆性试验阳性
D.高铁血红蛋白还原试验阳性
E.直接抗人球蛋白试验阳性
[多选题]依据《中国南方电网有限责任公司电力事故事件调查规程》（Q/CSG 210020-2014）第5.1.2条规定：事故事件调查处理包括以下那个工作( )。
A.查找暴露问题
B.开展宣传教育
C.形成事故事件调查报告
D.全面收集相关证据
[单选题]正压式空气呼吸器气瓶的最高工作压力是( )MPa。(易)
A.20
B.25
C.30
D.35
[判断题]重点建设基金常规现场检查，省级分行按年进行常规现场检查，检查面不少于30%；二级分行按半年进行常规现场检查，每次检查面不少于50%；经办行按季度逐项目进行常规现场检查。
A.正确
B.错误
[多选题]倒闸操作可以通过( )完成。
A. 就地操作
B. 检修操作
C. 遥控操作
D. 程序操作
[判断题] “反市场细分”就是反对市场细分。( )
A.正确
B.错误
[单选题]抢险救灾人员在灭火过程中,必须采取防止瓦斯、煤尘爆炸和( )的安全措施。
A.火风压
B.人员中毒
C.缺氧窒息
[单项选择]
Passage Three
The development of Jamestown in Virginia during the second half of the seventeenth century was closely related to the making and using of bricks. There are several practical reasons why bricks be came important to the colony.
Although the forests could initially supply sufficient timber, the process of lumbering was extremely difficult, particularly because of the lack of roads. Later, when the timber on the peninsula had been depleted, wood had to be brought from some distance. Building stone was also in short sup ply. However, as clay was plentiful, it was inevitably that the colonists would turn to brickmaking.
In addition to practical reasons for using brick as the principal construction material, there was also an ideological reason. Brick represented durability and permanence. The Virginia company of London instructed the colonists to build hospitals and new residences out of brick. In 1662, the town Act of the Virginia Assembly
A. earth
B. stone
C. wood
D. brick
[多选题]港口与航道工程索赔成立应同时具备的条件包括（ ）。
A.与合同对照，事件将造成承包人可预见的额外费用增加或工期损失
B.与合同对照，事件已造成承包人实际的额外费用增加或工期损失
C.造成费用增加或工期损失的原因，根据合同约定不属于承包人的行为责任
D.造成费用增加或工期损失的原因，根据合同约定不属于承包人应承担的风险责任
E.承包人按照合同规定的时间和程序提交索赔意向通知和索赔报告
