热门试题:
[单选题]电介质在电压作用下的能量损耗简称(____)。
A. 电损耗
B. 电压损耗
C. 介质损耗
D. 能量损耗
[多选题]根据《配电安规》，配电检修（施工）作业和用户工程、设备上的工作，（ ）认为有必要现场勘察的，应根据工作任务组织现场勘察，并填写现场勘察记录。
A.工作票签发人
B.工作许可人
C.工作负责人
D.专责监护人
[单选题]作业票由（）填写，安全、技术人员审核，作业票A由施工项目总工签发，作业票B由施工项目经理签发。
A.安全负责人
B.现场监护人
C.施工队长
D.作业负责人
[单项选择]
The "balance of nature" is not an empty phrase. Nature provides a population to occupy a suitable environment and cuts down surplus population to fit the available food supply. One means of reducing surplus population is predators(食肉动物); others are parasites (寄生虫) and diseases. Also, population density produces nervous disorders and even drives animals to mass migrations, like the lemmings (旅鼠) of Norway who plunge into (跳入) the sea.
That predators populations increase to control other animals has long been known. Many years ago, the Hudson’s Bay Company records revealed that the fox population went up and down about a year after the rabbit population had gone up and down.
Sometimes a situation occurs in which the predators population is reduced to a level below which nature can readily replace. On Valcour Island in Lake Champlain (New York) , a costly campaign resulted in the elimination of predatory animals only to have birds and small animals&md
A. has just been learned
B. is not recent knowledge
C. is not important now
D. was learned in Norway
[单项选择]进行环毛蚓解剖时，下列那一个顺序是最恰当的（）
A. 生殖系统-循环系统-消化系统-神经系统
B. 消化系统-生殖系统-神经系统-循环系统
C. 神经系统-生殖系统-循环系统-消化系统
D. 循环系统-消化系统-生殖系统-神经系统
[单项选择]Start-up companies financed by venture capitalist have a much lower failure rate than companies financed by other means. Source of financing, therefore, must be a more important causative factor in the success of a start-up company than are such factors as the personal characteristics of the entrepreneur, the quality of strategic planning, or the management structure of the company.
Which of the following, if true, most seriously weakens the argument above
A. Venture capitalists tend to be more responsive than other sources of financing to changes in a start-up company’s financial needs.
B. The strategic planning of a start-up company is a less important factor in the long-term success of the company than are the personal characteristics of the entrepreneur.
C. More than half of all new companies fall within five years.
D. The management structures of start-up companies are generally less formal than the management structures of ongoing businesses.
E. (E) Venture capitalists base their decisions to fund start-up companies on such factors as the characteristics of the entrepreneur and quality of strategic planning of the company.
[判断题]柜式配电设备的母线侧封板应使用专用螺丝和工具,专用工具应妥善保存,柜内有电时禁止开启。
A.正确
B.错误
[单选题]不属患者手术前手术部位感染预防措施（ ）
A.尽量缩短患者术前住院时间
B.正确准备手术部位皮肤
C.消毒前要彻底清除手术切口盒周围皮肤的污染
D.合理使用抗菌药物
E.有明显感冒、流感等呼吸道疾病的医务人员戴双层口罩参加手术
[单项选择]下列哪项反应属生物转化第二相反应（）
A. 醛变为酸
B. 葡萄糖醛酸苷
C. 硝基苯转变为苯胺
D. 乙酰水杨酸转化为水杨酸
E. 苯酚形成苯
[填空题]螺丝表面的处理方式有很多种代号﹐其中MC（）。ZK镀黑。NI镀镍.
[单选题]细集料的水洗法筛分试验,通过水洗的0.075mm质量应为()。
A.试验前砂样烘干质量-水洗后砂样烘干质量
B.水洗后砂样烘干质量
C.水洗后砂样烘干质量-筛底试样质量
D.筛底试样质量
[单项选择]某6个月小儿，低热1天伴咳喘，吃奶时有呛咳，哭吵时唇周轻度发绀。查体：体温38℃，气促，呼吸50次/分，规则。精神及面色尚可，呼气相延长，两肺呼吸音对称，有较多哮鸣音，心率160次/分，心音强，肝肋下2.5cm。入院第5天，出现极度烦躁不安，神萎，气促加重伴口唇发绀，心率增至180次/分，左侧肺部啰音增多，右侧叩诊呈鼓音伴呼吸音减弱，应首先考虑下列哪种情况（）
A. 心力衰竭
B. 呼吸衰竭
C. 中毒性脑病
D. 气胸
E. 呼吸肌疲劳
F. 胸腔积液
[多选题]( )党支部聚焦中心工作发挥作用的平台和载体包括:( )。
A.党员责任区
B.党员示范岗
C.党员项目攻关
D.党员目标管理
E.主题实践活动
[单选题]
[单选题] 1分
PKS/HS系统中绘制画面所使用的软件为
A.Viewstar
B.photoshop
C.HMIweb display builder
D.Quick Builder
[单选题]现场施工作业必须编制（ ）。
A.应急预案
B.施工组织设计
C.作业指导书
D.施工技术方案
[单选题]T-203发泡时很可能损坏C-201。()
A.对
B.错
[单项选择]
Thank you for your enquiry of August 16 _____1_____ our equipment, _____2_____ you saw at the International Farm Machinery Fair in Bonn. In answer to the _____3_____ questions in your letter, first let me say we are willing to consider substantial _____4_____ on orders over RMB￥1,000,000. With regard to the terms of _____5_____, we would suggest sight L/C for the initial stage. We can fulfill orders within three months, _____6_____ there are special specifications, which may _____7_____ a little longer. We _____8____ our current catalog and pricelist quoting c.i.f. Bangkok prices, and we think you will find the earth-moving equipment on pp. 101-115 _____9_____ particular interest for the work you have in mind. If you _____10_____ any further information, please contact us and we will be pleased to supply it.
6（）
A. although
B. because
C. unless
D. until
[单选题]直向允许通过速度（）km/h及以上的正线道岔尖轨密贴段牵引点间应设置密贴检查器。
A.200
B.250
C.160
D.300
[判断题]《中华人民共和国建筑法》规定，房屋拆除工作没有技术性，房屋拆除应当由具备保证安全条件的建筑施工单位承担。
[判断题]优先发车站无待发列车时,在确认区间空闲后,可使用重型轨道车或单机向非优先发车站传送附件3的通知书。
A.正确
B.错误
[单选题]依据《特种作业人员安全技术培训考核管理规定》，特种作业操作证有效期为（ ）年。
A.3
B.6
C.9
[单选题] 以下发放职业危害防护用品说法有错误的是( )。
A.有生产经营单位提供
B.要符合国家标准
C. .要符合行业标准
D.可以发放等价的货币
[判断题]机车牵引电动机的悬挂形式分为架悬挂和体悬挂。( )
A.正确
B.错误
[单选题]关于备用泵的防冻,下列选项中不正确的是()。
A.进出口阀关闭
B.保持冷却水通畅
C.出口止逆阀旁路稍开
[单项选择]
Text 3
After World War II the glorification of an ever-larger GNP formed the basis of a new materialism, which became a sacred obligation for all Japanese governments, businesses and trade unions. Anyone who mentioned the undesirable by-products of rapid economic growth was treated as a heretic. Consequently, everything possible was done to make conditions easy for the manufacturers. Few dared question the wisdom of discharging untreated waste into the nearest water body or untreated smoke into the atmosphere. This silence was maintained by union leaders as well as by most of the country’s radicals; except for a few isolated voices, no one protested. An insistence on treatment of the various effluents would have necessitated expenditures on treatment equipment that in turn would have given rise to higher operating costs. Obviously, this would have meant higher prices for Japanese goods, and ultimately fewer sales and lower industrial growth and GNP.
T
A. by-effects.
B. drainage.
C. solid wastes.
D. risks.
[判断题]三相四线制供电系统的中性线上，不得加装熔断器。
A.正确
B.错误
[单选题]运输VVIP的航班上不得运送（ A ）。
A.犯人
B.轮椅旅客
C.乐器
D.无人陪伴儿童
[单选题]被扣留的机动车,驾驶人或者所有人、管理人30日内不接受处理,经公安机关交通管理部门公告( )仍不接受处理的,依法拍卖。
A.1个月
B.3个月
C.6个月
D.12个月
[单选题]( )牵头负责10千伏及以下配套电网工程电源接入点、路由、设计、施工、验收等全过程管理。
A. 营销部
B. 发展部
C. 运检部
D. 物资部
[多选题]在霜雪天气进行户外露天作业应及时清除场地霜雪，采取（ ）措施。
A.防潮
B.防冻
C.保温
D.防滑
[多选题]技术交底是为使参加施工的人员对工程及其技术要求做到心中有数，掌握设计要求、（ ）及安全注意事项等。
A.相关图纸内容
B.工程特点
C.质量标准
D.施工方法
E.法律法规
[判断题]能率管理（稼动分析）是一种很有效的现场管理改善工具。
A.正确
B.错误
[多项选择]女村民甲已生育两个女儿，现又怀上第三胎。村干部决心把甲作为典型处理，遂在某日清晨破门而入，将甲强行带到村委会当众教育了一整天，期间多次使用羞辱性语言，并决定取消其女儿“三好学生”称号。根据我国关于公民宪法权利的法律规定，村干部的行为侵犯了甲的( )。
A. 人身自由权
B. 住宅不受侵犯的权利
C. 受教育的权利
D. 人格尊严
[多选题]烟雾扩散流动速度与烟雾（ ）有关。
A.成分
B.浓度
C.温度
D.流动方向
[单选题]无缝线路（）铺设轨条时，如拉伸不到位时必须做好放散或调整工作。
A.低温
B.高温
C.春季
D.秋季
[多选题]项目管理实施规划中应有（）、（）方案及各项起重作业的安全措施。
A.A.机械配置
B.B.施工机具
C.C.大型吊装
D.D.防暑防寒
E.略
F.略
G.略
[单选题]地上井口附近使用燃油发电机等设备时，应放置在（），与井口保持一定距离，防止废气进入井内。
A.上风侧
B.下风侧
C.围栏外
[单项选择]电生理学检查有助于臂丛神经损伤的定位检查，下列叙述错误的是（）。
A. 神经损伤一般于3周后显著变性，所以肌电图检查应在损伤后3周进行，隔3个月复查
B. 凡肌电显示去神经性纤维颤动电位，为椎间孔外臂丛损伤
C. 凡显示无正常电位，表示椎间孔外臂丛神经损伤
D. 凡受神经根支配的任何肌肉存在主动活动，表示不完全神经根损伤
E. 肌电检查仅能作为一项辅助检查，诊断主要依据临床查体
