热门试题:
[单项选择]在windows本机模式域的域控制器上，不可以创建的安全组为______。
A. 本地域组
B. 本地组
C. 全局组
D. 通用组
[单项选择]Centuries ago, man discovered that removing moisture from food helps to preserve it, and that the easiest way to do this is to expose the food to sun and wind.
All foods contain water--cabbage and other leaf vegetables contain as much as 93% water, potatoes and other root vegetables 80% , lean meat 75% and fish anything from 80% to 60% depending on how fatty it is. If this water is removed, the activity of the bacteria(细菌) which cause food to go bad is checked.
Nowadays most foods are dried mechanically. The conventional method of such dehydration(脱水) is to put food in chambers through which hoi air is blown at temperatures of about 110°C at entry to about 43°C at exit. This is the usual method for drying such things as vegetables, minced meat, and fish.
Liquids such as milk, coffee, tea, soups and eggs may be dried by pouring them over a heated horizontal steel cylinder or by spraying them into a chamber through which a current of hot air passes. In the first case
A. the removal of water in food helps prevent it from going rotten.
B. The open-air method of drying food has been known for hundreds of years.
C. In the course of dehydration, the temperature of hot current coming from entry to exit is gradually going up.
D. The process of drying liquids is much more complex than that of drying solid food.
[单选题]为保护佩戴人员的头部安全,消防头盔帽壳具有足够的( ),能直接阻挡冲击物,使其不能冲穿帽壳,直接接触头部。
A.高度
B.弯度
C.强度
D.硬度
[单选题]‐年版港币的视障标识位于票面正面的哪个位置?( )
A. . 左上角
B. . 右上角
C. . 左下角
D. . 右下角
[简答题]分析皮带跑偏可能存在的原因及相应的处理方案？
[单选题]下列哪项检查结核菌的标本需要在患儿清晨初醒时采集
A.胃液
B.痰液
C.脑脊液
D.浆膜腔液
E.尿液
[多选题]TEDS系统采用图像自动识别技术，对图像进行异常 预警，实时传输至监测中心。
A.规避
B.分析
C.编辑
D.分级
[多选题]《国家电网有限公司输变电工程施工分包安全管理办法》中专业分包安全管理规定，施工承包商应督促专业分包商按照分包合同约定配备合格的机械、设备及主要管理人员，督促其为分包人员配备合格工器具及安全防护用品，按规定对（ ）工器具进行登记、编号、检测、试验和标识管理，建立管理台账，做到物账对应，始终处于受控状态。
A.A-测量
B.B-起重
C.C-电气
D.D-安全
[单项选择]在80286的内部有______ 个指令队列。
A. 1
B. 2
C. 3
D. 4
[判断题]危险化学品泄漏事故现场，应根据泄漏物质、泄漏量、风向、风速等因素确定警戒范围，划定重危区、中危区、轻危区，并根据实时侦检情况作出动态调整。
A.正确
B.错误
[单选题]列车接入站内尽头线时， 自进入该线起速度不得超过（ ）km/h。
A.15
B.20
C.30
[单选题]如果ONU的标称功率是12W，在满负荷运行的情况下，单月功耗大约是( )度。
A.2-3
B.4-5
C.6-7
D.8-9
[判断题]（铁运[2009]39号）规定：当故障现场有车辆占用时，接触网抢修人员应视情况登车顶处理，或请求供电调度员尽快安排腾空线路，为接触网抢修作业创造条件。
A.正确
B.错误
[单项选择]材料抵抗外力破坏的最大能力叫做（）
A. 屈服强度
B. 抗拉强度
C. 极限强度
D. 抗弯强度
[单选题]在测评顾客满意度时，需要确定“绩效指标”。关于“绩效指标”的说法，错误的是 ( )。[2012年真题]
A.客户的需求和期望可以归纳为一系列绩效指标 B-重要的绩效指标包括质量优、供货及时、价格适中等
C.绩效指标应从积极和正面的角度设定
D.绩效指标因企业或行业不同，产品或服务相异而有所不同
A.A
B.B
C.C
D.D
[单项选择]膀胱刺激症状是指
A. 尿频、尿多、尿痛
B. 尿频、尿急、尿痛
C. 尿频、腰痛、尿急
D. 尿多、尿频、腰痛
E. 尿急、尿多、尿痛
[判断题]钢丝绳在卷筒上缠绕时，要逐圈紧密地排列整齐，不应错叠或离缝。( )）
A.正确
B.错误
[填空题]Those baby-faced people now have another reason to be smug (自鸣得意的 ): a new Danish study says looking young (47) means a longer life. Research suggests that people who look younger than their years also live longer.
In 2001, Danish researchers (48) physical and cognitive tests on more than 1,800 pairs of twins over aged 70, as well as taking photos of their faces. Three groups of people who didn’t know the twins’ real ages guessed how old they were. The researchers then (49) how long the twins (50) over 7 years.
The experts found that people who looked younger than their (51) age were far more likely to survive, even after they (52) for other factors like gender and environment. The bigger the difference in (53) age within any twin pair, the more likely it was that the older-looking twin died first.
They also found a possible biological (54) : people who looked younger also tende
[单选题]压缩气体和液化气体仓库应阴凉通风,库温不易超过()℃。
A.30
B.20
C.40
[单项选择]( )是把污染源罩起来，抽出污染空气，所需风量小，经济有效，并便于净化回收。
A. 全面排风
B. 局部排风
C. 隔离排风
D. 替代风
[判断题]厌氧菌是消化道内最多的细菌,对机体有利,医疗过程中应注意保护。
A.正确
B.错误
[单选题]动车组二等座车公布票价计算公式：（ ）。
A.0.2805×（1+10%）×运价里程
B.0.3366×(1+10%)×运价里程
C.0.3366×(1+10%)×1.6×运价里程
D.0.3366×(1+10%)×1.8×运价里程
[判断题]高处作业工作中,设备管理部门应派出专人进行监护。( )
A.正确
B.错误
[单项选择]女，31岁，发热两周，黑便一天，血象三系减少，骨穿骨髓重度增生低下，拟诊，重型再障，哪项体征不可能出现
A. 皮肤瘀斑淤点
B. 口角溃疡
C. 肝脾、淋巴结肿大
D. 血压下降
E. 贫血貌
[判断题]ATM在钞箱余额不足时,营业网点维护人员才能开机清理钞箱和进行账务核对。( )
A.正确
B.错误
[单选题]室外的电子设备应在缆线终端入口处设置浪涌保护器或防雷型( )。
A.变压器
B.继电器
C.滤波器
D.传感器
[判断题]车辆临修故障处理不彻底，不得带故障上线运行
A.正确
B.错误
[单选题]1岁时正常头围是多少 ( )
A.34cm
B.44cm
C.46cm
D.48cm
E.50cm
[单选题] 公司危险作业管理制度规定,下列( )的管理由工程管理部负责。
A.动火作业
B.动土作业
C.高处作业
D.断路作业
[填空题]After having dinner in a restaurant, the visitor plans to take the last train ______
[多选题]ZD6二级保养检修用到的仪表有哪些( )（2分）
A.数字万用表
B.摇表
C.机械表
D.钳表
[单选题]在1985年的全国科学技术工作会议上,邓小平指出:经济体制,科技体制,这两方面的改革都是为了___。
A.促进科技进步
B.解放生产力
C.发展经济
[单项选择]心脏超声检查时，最常用的探头是（）
A. 线阵探头
B. 凸阵探头
C. TEE探头
D. 相控阵探头
E. 环阵探头
