热门试题:
[单项选择]易于透过血脑屏障的化学物是
A. 分子量低、水溶性高、不与蛋白质结合
B. 分子量低、脂溶性高、不与蛋白质结合
C. 分子量低、脂溶性低、与蛋白质结合
D. 分子量高、脂溶性高、与蛋白质结合
E. 分子量高、水溶性低、与蛋白质结合
[判断题] 根据跟踪原理,UPS的输出电压频率不一定始终与旁路电源电压频率一致。( )
A.正确
B.错误
[单项选择]砂浆强度等级是用边长为( )的立方体标准试块，在温度为15～25℃环境下硬化，龄期为28天的极限抗压强度平均值确定的。
A. (A) 70mm
B. (B) 100mm
C. (C) 70.7mm
D. (D) 80mm
[单选题]乘务人员进出车站和动车所（客技站）时走（ ），通过线路时走天桥、人行地道，走平交道时做到“一停二看三通过”，不横越线路，不钻车底，不跨越车钩，不与运行中的机车车辆抢行。
A.指定通道
B.停车线路
C.无列车线路
D.绕行通道
[填空题]动车组无动力调车时，机车连挂动车组前，应在距离动车组约（ ）m 处一度停车，确认（调整）钩位后稳妥连挂。
[多项选择]原始凭证真实性审核的内容是( )。
A. 经济业务的双方当事单位和当事人是否真实
B. 经济业务发生的时间、地点和填制凭证的日期是否真实
C. 经济业务内容是否真实
D. 经济业务的“数量、金额”是否真实
[单选题]FCTM102在副翼操作受限时，可使用进行补偿。
A.升降舵
B.方向舵
C.襟翼
[单项选择]However wealthy you are it can not ______ a healthy body.
A. compare
B. suit
C. defeat
D. match
[单选题]商事关系的本质特征是( )。
A.服务性
B.营利性
C.交易性
D.公益性
[单选题]革兰阴性杆菌引起全身化脓性感染后，病人出现的"三低"现象有
A.呼吸缓慢
B.精神萎靡
C.低血压
D.脉搏减慢
E.血红细胞计数低
[判断题]预防和减少火灾发生的唯一途径,就是及时发现和消除火灾隐患,把火灾消灭在萌芽状态。
A.正确
B.错误
[单项选择]保安员小张和小李在目标部位流动岗巡查时，发现无证车辆强行进入目标部位时正确的做法是（）。
A. 向客户单位报告后，两人一起阻拦无证车辆进入
B. 小李立即向客户单位报告，小张记下车牌、车型和颜色
C. 小张和小李一起阻拦无证车辆进入
D. 两人记下车牌、车型和颜色
[单项选择]关于原发性皮肤淀粉样变的描述，哪一项是错误的（）。
A. 苔藓状--最好发于胫前皮肤
B. 苔藓状--瘙痒剧烈
C. 斑状--最常见于背部肩胛间区
D. 斑状--皮疹为褐色、蓝色色素沉着斑，呈网状或波纹状
E. 是淀粉样蛋白沉积于正常皮肤和脏器中所致
[多项选择]措施项目费的组成部分中包括（）。
A. 预留金
B. 脚手架搭拆费
C. 安全文明施工费
D. 材料购置费
[单选题]大型建设项目应根据该项目建设阶段的特点和评价等级、受纳水体特点以及()决定是否预测建设（施工）阶段的环境影响。
A.工程规模
B.施工方式
C.当地环保要求
D.当地政府要求
[判断题]申请断路作业车间（部门）负责管理施工现场，要在断路路口设立断路标志，为来往车辆提示绕行线路()
A.正确
B.错误
[简答题]《国家通用语言文字法》体现了哪些语言政策？
[单选题]电力电缆作业，掘路施工应具备相应的( )方案，做好防止交通事故的安全措施。
A.施工计划
B.交通组织
C.设备运输
D.人员疏散
[单选题]低压综合配电箱外形尺寸选用（ ），空间满足400kVA及以下容量配变的1回进线、3回馈线、计量、无功补偿、配电智能终端等功能模块安装要求。
A.1360mm×800mm×1200mm
B.1360mm×700mm×1200mm
C.1350mm×800mm×1200mm
D.1350mm×700mm×1200mm
[单项选择]
Portable devices are becoming lighter and more appealing. Books are being (1) into digital form by the thousands. The most important (2) forward may be in "digital ink," the technology used for (3) letters on a screen. A small company called E Ink has created a method for (4) tiny black and white capsules into words and (5) with an electronic charge. Because no power is used (6) the reader changes the page, devices with the technology could go (7) 20 books between battery charges. The text also looks just as (8) as ink on a printed page.
Sony is the first major player to take (9) of the technology. This year. it will market the Sony Reader, which uses E Ink and closely (10) the size, weight, and (11) of a book. The Reader will sell (12) about $ 400. Sony also will offer roughly 10,000 book (13) for download from its online store, (14) news stones.
Other play
A. in addition
B. in spite of
C. as for
D. along with
[单项选择]研磨镜板的小平台的旋转速度为（）r/min为宜。
A. 5；
B. 7；
C. 5～7；
D. 15；
[判断题]市公司组织对设计单位初审后的设计方案进行审查，组织到现场进行核查，并将审查修改后的设计方案报省公司核准、批复；
A.正确
B.错误
[单选题]B-C-011 2 2 4
距离保护Ⅰ段动作时间为保护装置本身的动作时间,一般不大于( )s(前者为晶体管保护的动作时间,后者为机电型保护的动作时间)。
A.0.5~0.6
B.0.2~0.25
C.0.2
D.0.03~0.10
[单项选择]Preferences Vary on Circumstances of Dying
Among terminally(晚期)ill people，attitudes differ on what they think constitutes a ____(51)or bad death，the results of a new study suggest Dr．Elizabeth K Vig of the University of Washington in Seattle and colleagues interviewed 26men with____(52)heart disease or cancer The men were asked to describe good and Bad deaths,and they also answered____(53)about their preferences for dying“In this small study，terminally ill men described good and bad deaths___(54) Vig said”They did not hold the same views about such issues____(55)the presence of others at the very end of life or preferred location of death.
Many of the men considered____(56) in their sleep to be a good death．The reasons were varied and included not____(57)that death was imminent(即将发生的)，and that death would be painless.
For close to half of the men，a prolonged(拖延的)death was______(58)abad death Some of the men associated a prolonged death with prolonged pain，______(59)other
A. families
B. friends
C. colleagues
D. wishes
[多选题]因检修试验需要解开设备接头时，应当（）
A.拆前应做好标记
B.拆前不必做标记
C.接后应检查
D.接后不必进行检查
[单选题]无缝线路应力放散放行列车第一列限速（ ）km/h。
A.15
B.45
C.80
D.120
[单选题]CRH380B动车组，全列由2个牵引单元组成,每个牵引单元设置( )台变压器。
A.1
B.2
C.3
D.4
[单项选择]机动车辆的车轮制动器多采用（）制动器。
A. 盘式
B. 鼓式
C. 带式
D. 双带式
[多选题]参苓白术散的功能特点是( )
A. 益气和营
B. 升阳举陷
C. 燥湿化痰
D. 益肺气
E. 补脾胃
[单项选择]以下哪项是左心室扩大的X线征象（）
A. 正位上右心缘双边或双房影
B. 正位上左心缘第3弓突出
C. 右前斜位食管压迹加深
D. 右前斜位胸骨后间隙缩小
E. 左前斜位心后下缘膨隆突出
[多选题]以下哪些是农村中小金融机构的特点：
A.农村中小金融机构单体规模小
B.流动性管理薄弱
C.容易受市场波动影响引发流动性问题
D.个别资金错配严重、杠杆率过高的机构遭受外部流动性冲击较大
[单选题]DDU的含义为（ ）。
A.信号屏
B.司机显示单元
C.多媒体屏
D.人机界面
[单项选择]根据《企业破产法》的规定，破产财产在清偿破产费用和共益债务后首先予以清偿的是( )。
A. 破产人所欠其他企业债务
B. 破产人所欠的税务部门的税款
C. 破产人所欠银行的贷款
D. 破产人所欠职工工资
[简答题]Dijo Ltd carries on a food packaging and distribution business. The company’s business premises are separated into an office, which deals with the administration of the business, and a factory section, where the packaging and distribution take place.
Dijo Ltd has always operated a ‘no smoking’ policy in the factory section, although there is no reference to this in any employee’s contract of employment. Smoking is permitted, however, in the office section, and this is a concern of resentment between office and factory staff, and for those office workers who do not smoke.
Required:
Advise Dijo Ltd:(a) whether Tswelelo, a factory worker, and Khumo, an office worker, may be justifiably dismissed by the company for smoking at work; (5 marks)
[单项选择]中医四诊包括（）。
A. 望闻问切
B. 望听问切
C. 望嗅问切
D. 望闻问触
E. 望嗅问触
[单项选择]为了要把工作站或服务器等智能设备联入一个网络中，需要在设备上插入—个
A. 网卡
B. 网关
C. 网桥
D. 网间连接器
