热门试题:
[判断题]判断题 境外机构投资人可通过直接开立在上海清算所的账户,自行或由结算代理人代理完成交易结算;也可通过与上海清算所互联的国际合作托管机构办理交易结算。
A.正确
B.错误
[多选题]当验明检修的低压配电线路、设备确已无电压后，至少应采取以下措施之一防止反送电：（ ）。
A.装设遮栏
B.所有相线和零线接地并短路
C.绝缘遮蔽
D.在断开点加锁、悬挂“禁止合闸，有人工作！”或“禁止合闸，线路有人工作！”的标示牌
[单项选择]用来直接表现产品、服务、经营目标、企业宗旨的标志设计法是（）。
A. 表述法
B. 表征法
C. 会意法
D. 纯标识法
[单选题]男性，43岁，呕吐、腹泻2天，意识模糊、烦躁不安半天急诊入院。查体：BP110/70mmHg，甚至恍惚，巩膜中度黄染，颈部可见输煤蜘蛛痣。心肺未见异常，服软，肝肋下未触及，脾肋下3cm，双上肢散在出血点Hb90g/L，WBC3.22×109/L，血糖7.0mmol/L，尿糖（+），尿酮（-），尿镜检（-）。既往有慢性肝炎病史。
[问题3][单选题]
对此患者的治疗，下列各项中不正确的是
A.口服乳果糖
B.禁食蛋白质
C.静滴精氨酸
D.肥皂水灌肠
E.补充支链氨基酸
[单选题]甲状腺功能亢进引起发热是因为( )
A.中枢神经系统损伤
B.产热过多
C.炎症
D.皮肤散热障碍
E.外界环境温度高
[单选题]线状地标通常用()符号表示。
A. 全依比例尺
B. 文字说明比例尺
C. 不依比例尺
D. 半依比例尺
[单选题]列车已启动助理值班员外勤（发车人员）接到或发现车门未关闭的信息时，立即( )。
A.通知车站值班员
B.通知车站客运人员
C.通知车辆乘务员
D.喊停列车
[判断题]将两只“220V，40W”的白炽灯串联后，接入220V的电路，消耗的功率是20W。
A.正确
B.错误
[单项选择]
With the Met Office predicting a summer heatwave, Macmillan Cancer Relief this week (1) its customary warning about the sun’s ultravioiet rays: (2) , it says, for the huge rise in skin cancers affecting 70,000 people a year. (3) a hat and long-sleeved shirt, it advises, keep in the (4) in the middle of the day, and slap (5) suncream with a protection factor of 15 or above.
We all know it (6) ; it’s the message that’s been drummed into us for the past 20 years. Too much sun (7) . But now there’s a fly in the suntan lotion, complicating the message’s clarity. It comes (8) a thin, quietly-spoken and officially retired Nasa scientist, Professor William Grant, who says that sun doesn’t kill; in {act, it does us the world of (9) . What’s killing us, he says, is our (10) with protecting ourselves from skin cancer.
Grant is trying to turn the scientific world
A. because
B. as
C. while
D. when
[单选题]电工仪表按照工作原理，电工仪表分为电磁式、磁电式、电动式、（ ）仪表。( )
A.安装式
B.便携式
C.感应式
D.比较式
[单项选择]
Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
The doctor asked Steve to（ ）.
A. take the medicine three times a day after eating.
B. stay in bed for three days.
C. drink some herbal tea four times a day.
D. take more fruits.
[单选题]电磁调速异步电动机的电枢和磁极之间()。
A.没有机械联系
B.没有电磁联系
C.有机械联系
D.没任何联系
[单选题]临床科室出现医院感染流行或暴发时,下列哪些措施是不当的
A.查找感染源
B.对感染病人和周围人群进行详细的流行病学调查
C.必要时隔离病人甚至暂停接收病人
D.总结经验,制定防范措施
E.调换所有工作人员
[判断题] 锅炉开车后，应对各取样管 排污 ，在出水干净后进行取样。
A.正确
B.错误
[单选题]我公司安全生产专项整治实施方案印发日期为( )
A.2019年5月20日
B.2020年5月20日
C.2021年5月20日
[判断题]部分企业领导和相当数量的管理人员对安全事故存在侥幸心理.
[判断题]在我国，土地的使用权不得转让。( )
A.正确
B.错误
[单选题]电动捣固扒砟，起道超过20mm时，扒出轨枕盒（ ）石砟。
A.1/4
B.1/3
C.1/2
D.2/3
[单项选择]黄体生成素来源于
A. 下丘脑
B. 腺垂体
C. 卵巢
D. 子宫
E. 胎盘
[单选题]下列物质跨膜转运的方式中，需要耗费能量的是( )。
A.单纯扩散
B.经通道易化扩散
C.经载体易化扩散
D.主动转运
[单项选择]属于一次文献的为( )。
A. 期刊发表的论文
B. 目录
C. 索引
D. 文摘
E. 教科书
[单选题]交流电气设备的绝缘主要考虑的是交流电的( )。
A.平均值
B.有效值
C.最大值
D.瞬时值
[单选题]肩先露时，胎心音听得最清楚的部位是
A.脐部下方
B.脐部左侧
C.脐部右侧
D.左下腹部
E.脐部上方
[单项选择]压力继电器的作用是（）系统的压力。
A. 减少
B. 改变
C. 增大
D. 反映
[单选题]3.227. 第227题
太阳电池是利用半导体()的半导体器件。
A.光热效应
B.热电效应
C.光生伏打效应
D.热斑效应
[单选题]你认为最能准确反映计算机主要功能的是( )。
A.计算机可以代替人的脑力劳动
B.计算机可以存储大量的信息
C.计算机可以实现高速度的运算
D.计算机是一种信息处理机
[单选题]原理为分子筛的色谱是:
A.离子交换色谱
B.凝胶滤过色谱
C.聚酰胺色谱
D.硅胶色谱
E.氧化铝色谱
[判断题]2.36 车辆管理所办理机动车登记、核发驾驶证业务时,应当准确采集机动车和驾驶人信息,逐一核实机动车所有人和驾驶人电话号码、联系地址等信息,确保新录入基础数据信息准确有效。
A.正确
B.错误
[单项选择]在两色叠印时，叠印颜色偏向于（）。
A. 大网点
B. 小网点
C. 不能判断
[单选题]严禁（ ）消防员、侵占消防员利益、收受消防员钱物，深入纠治消防员身边的“微腐败”和不正之风。
A.打骂体罚
B.批评教育
C.大声呵斥
D.教育惩罚
[单选题]下列篷布必须报废的是（ ）。
A.修补面积达30%
B.使用期限超过24个月
C.使用期限超过48个月
D.修补处达200处
[单项选择]
Karen Rusa was a 30-year-old woman and the mother of four children. For the past several months Karen had been experiencing repetitive thoughts that centered around her children’s safety. She frequently found herself imagining that a serious accident had occurred; she was unable to put these thoughts out of her mind. On one such occasion she imagined that her son, Alan, had broken his leg playing football at school. There was no reason to believe that an accident had occurred, but she kept thinking about the possibility until she finally called the school to see if Alan was all right. Even after receiving their assurance that he had not been hurt, she described herself as being somewhat surprised when he later arrived home unharmed. Karen also noted that her daily routine was seriously hampered by an extensive series of counting work that she performed throughout each day. Specific numbers had come to have a special meaning to her; she found that her preoccupation with thes
A. demonstrate her children’s safety was closely related to the item she selected in the store.
B. account for Karen’s inability to perform everyday activities.
C. show how specific numbers were related to the safety of her children.
D. further explain that Karen was suffering from a psychological illness.
[单选题]在带电设备区域内使用汽车吊、斗臂车时，车身应使用不小于（）mm2的软铜线可靠接地。
A.14
B.16
C.18
D.20
E.略
F.略
[单项选择]What does" have lived a bit" mean __________.
A. To be older than others.
B. To travel to more countries.
C. To have abundant life experience.
D. To have longer training in interpreting.
