热门试题:
[判断题] ( )截止阀和闸阀相比,其启闭力矩小,启闭不费力。
A.正确
B.错误
[单项选择]关于水利水电施工企业的设备管理,下列说法不正确的是()。
A. 水利水电施工企业应建立设备管理机构
B. 水利水电施工企业应配备设备管理专(兼)职人员
C. 水利水电施工企业应建立设备安全管理网络
D. 水利水电施工企业只需指定一人负责设备管理即可
[简答题]Zahoor Sons Limited (‘ZSL’) is a public unlisted company engaged in the business of textile manufacturing. ZSL owns two factories. Due to the economic slow down, the textile industry has suffered badly and one of the factories of ZSL has been shut down for the past one year (‘Closed Factory’). During a recent meeting of the board of directors, the board was informed that the expensive machinery installed in the Closed Factory is depreciating rapidly. The board was also informed that a potential buyer has expressed his interest in buying the machinery, however, he wants to complete the sale before leaving for England in two weeks’ time. One of the directors was of the view that approval of the shareholders in a general meeting is needed for selling the machinery; and, in view of the 21-days minimum notice period for general meetings, their approval may not be available in time to complete the proposed sale.
Required:
With reference to the Companies Ordinance, 1984:(a) advise the dir
[单选题]带电阻性负载的三相半波可控整流电路中,当控制角α=60°时,晶闸管的导通角是(____)。
A.120°
B.90°
C. 60°
D. 30°
[单项选择]妊娠阴道下血,色鲜红,伴腰酸腹痛,或胎动下坠,心烦少寐,尿黄便秘,舌红苔黄干,脉滑数者,方用()
A. 胎元饮
B. 两地汤
C. 清热固经汤
D. 寿胎丸
E. 保阴煎
[填空题]克氏综合征是一种性染色体数目异常的疾病。现有一对表现型正常的夫妇生了一个患克氏综合征并伴有色盲的男孩,该男孩的染色体组成为44+XXY。请回答:
画出该家庭的系谱图并注明每个成员的基因型(色盲等位基因以B和b表示)。
[单选题]当轨道车运行速度大于20km/h时,GYK间隔120s进行报警,要求司机按压手动按钮或脚踩踏板进行应答,否则实施()制动。
A.常用
B.旁路
C.紧急
[单选题]可动心轨道岔的普通钢轨接头应使用10.9级螺栓,扭矩应保持在( )。
A.700~900N·m
B.20~150N·m
C.1100~1400N·m
D.250~300N·m
[多选题]房地产的估价原则包括( )。
A.合法原则
B.最高最佳使用原则
C.估价时点原则
D.替代原则
E.公平原则
[单项选择]通常情况下,钢筋混凝土基础下面设有素混凝土垫层,厚度为()左右。
A. 80mm
B. 100mm
C. 120mm
D. 150mm
[单项选择]Good technique in medicine means less pain and fewer deaths and, ______ ,it is our duty to master it.
A. altogether
B. therefore
C. otherwise
D. however
[单选题]以下不属于6号线列车驾驶模式的是( )。
A.A、AM
B.B、CM
C.C、AGM
D.D、EUM
[单选题]投诉预受理人员应当提请投诉人提供注册手机号码、 及车牌颜色进行查询。
A.姓名
B.车辆行驶路程
C.车牌号
D.出口收费站名称
[单项选择]烧结过程自动蓄热作用的热量占烧结所需热量的()。
A. 28-30%
B. 38-40%
C. 48-50%
[单项选择]以下哪项不是恶性骨肿瘤的典型X线表现()
A. 生长迅速,边缘不整
B. 呈膨胀性骨质破坏,病变与正常骨质界限模糊
C. 可出现不同形式骨膜增生且多不成熟
D. 易侵及临近组织、器官
E. 长入软组织形成肿块
[单选题]2.257.第257题变压器内部发生匝间故障而同时又有流出电流时,差动保护()
A.视流出电流的大小,有可能动作,也可能不动作。
B.仍能动作
C.肯定不能动作
[单选题]阀冷控制系统应具备手动切换和系统故障情况下(____)功能,防止单一元件故障不经系统切换直接跳闸出口。
A.退出运行
B.手动切换
C.自动切换
D.状态保持
[单选题]最常见于风湿性二尖瓣狭窄患者的心律失常是()
A. 房性早搏
B. 心房颤动
C. 窦性心动过速
D. 右束支传导阻滞
E. 室性
心动过速
[判断题]配制混凝土时,与坍落度的选择无关的因素是混凝土的强度。 ( )
A.正确
B.错误
[判断题]按照山东省农村商业银行信贷档案管理办法要求,纸质信贷档案实行一户一档、一笔一卷,案卷应使用标准的档案封皮。( )
A.正确
B.错误
[多选题]下列关于链条锅炉熄火论述正确的是( )。
A.A、等全部煤进入煤闸门后,落下煤闸门以防止冷风进入
B.B、在煤走到离煤闸门200~300mm时停止链条炉排
C.C、先停引风机,再停送风机,
D.D、为了不烧坏炉排,熄火后可以继续转动炉排1h
[单项选择]下列园林按建筑年代顺序排列正确的是( )。
A. 沧浪亭、拙政园、狮子林、留园
B. 沧浪亭、狮子林、拙政园、留园
C. 狮子林、沧浪亭、拙政园、留园
D. 狮子林、沧浪亭、留园、拙政园
[简答题]运行和检修人员巡检过程中,身体不得碰及设备(),保持与带电设备的()。
[单选题]依据《中国南方电网有限责任公司电力事故事件调查规程》(南方电网安监〔2021〕11号附件)第5.4.1.3条规定:三级以上事件的调查期限为( )日。
A.10
B.15
C.20
D.30
[单选题]接到辐射事故报告或者可能发生辐射事故的运行故障报告的生态环境部门, 应当在( ) 小时内,将辐射事故或者故障信息报告本级人民政府并逐级上报至省级人民政府生态环境主 管部门。
A.一
B.两
C.三
D.四
[单项选择]下列选项中不会引起亚硝酸盐食物中毒的是( )。
A. 隔夜的剩饭菜
B. 腐烂的蔬菜
C. 蒸锅水煮饭
D. 亚硝酸盐残留量小于0.03%的肉制品
[单项选择]以下不属于语言发育中发音阶段的行为是()
A. 发喉音
B. 发"啊"、"咿"、"呜"等元音
C. 发辅音
D. 模仿成人的口唇动作练习发音
E. 有意识的叫"爸爸"、"妈妈"
[单项选择]
When you take a walk in any of the cities in the West, you often see a lot of people walking with dogs. It is still true that the dog is the most useful and faithful animal in the world. But the reason why people keep a dog has changed. In the old days people used to train dogs to protect themselves against attacks by other beasts. And later they came to realize that a dog was not only useful for protection but willing to obey his master. For example, when people used dogs for hunting, the dogs wouldn’t eat what was caught without permission. But now people in a city need not protect themselves against attacks from animals. Why do they keep dogs then Some people keep dogs to protect themselves from thieves. But the most important reason is for companionship. For a child, a dog is his best friend when he has no friends to play with. For young couples, a dog is their child when they have no children. For old couples, a dog is also their child when their real children have gro
A. It can go hunting with the master.
B. It can protect the master from animals.
C. It can protect the master from thieves.
[判断题](47218)( )曲线拨道时要适当预留回弹量,下压时少留,上挑时多留,拨量大的多留,拨量小的少留。(1.0分)
A.正确
B.错误
[判断题]2.127 机动车驾驶人因在一个记分周期内满12分被注销A1准驾车型的,注销满5年后,方可重新申请增加A1准驾车型。
A.正确
B.错误
[单选题]( )不是箱式变压站的特点。
A.占地面积小
B.不需要值班
C.可整体移动
D.容量大,电压等级高
[单选题]按照成品酒包装质量检验规程 :清洗合格的酒瓶必须在( )内用完,未用完的酒瓶需重新清洗后使用,正常生产期间应每(C)小时抽检一次洗瓶质量。
A. 10分钟 1小时
B. 1小时 2小时
C. 10分钟 2小时
[判断题]火区风墙被爆炸破坏时,严禁立即派救护队探险或恢复风墙。,
A.正确
B.错误
[单选题]( )第一个批判了“两个凡是”
A.陈云
B.叶剑英
C.聂荣臻
D.邓小平
[单项选择]下列哪一行为违反了辐射防护原则()。
A. 配备专用房间与通风设备进行肺通气试验
B. 核医学科的房间需要特殊材料装修以增强屏蔽作用
C. 为方便管理核医学科只需要一个出入口
D. 核医学科要设计专用的排水系统
E. 核医学科工作人员在工作时要穿戴防护服