热门试题:
[填空题]用于一般分析化验的三级水的PH值为 （1） 。
[多选题]《消防员管理规定》由（）会同有关部门负责解释
A.A、人力资源社会保障部
B.B、财政部
C.C、应急管理部
D.D、退役军人事务部
[单项选择]在旋转式压缩机的吸气口管上加装气液分离器可防止发生（）。
A. 气液混合
B. 油气混合
C. 停机串气
D. 液击
[单选题]为确保氧化反应过程安全，阻止火焰蔓延、防止回火，在反应器和管道上应安装（）。
A.泄压装置
B.自动控制
C.报警联锁
D.阻火器
[单选题]高处作业人员应衣着灵便，衣袖、裤脚应扎紧，穿（），并正确佩戴个人防护用具。
A.皮鞋
B.平底鞋
C.绝缘靴
D.软底防滑鞋
[单项选择]Throughout the history of the arts, the nature of creativity has remained constant to artists. No matter what objects they select, artists are to bring forth new forces and forms that cause change—to find poetry where no one has ever seen or experienced it before.
Landscape (风景) is another unchanging element of art. It can be found from ancient times through the 17th-century Dutch painters to the 19th-century romanticists and impressionists. In the 1970s Alfred Leslie, one of the new American realists, continued this practice. Leslie sought out the same place where Thomas Cole, a romanticist, had produced paintings of the same scene a century and a half before. Unlike Cole who insists on a feeling of loneliness and the idea of finding peace in nature, Ledge paints what he actually sees. In his paintings, there is no particular change in motion, and he includes ordinary things like the highway in the background. He also takes advantage of the latest developments of color pho
A. an object for artistic creation
B. a collection of poems
C. an unusual quality
D. a natural scene
[填空题] For many women choosing whether to work or not to work outside their home is a luxury: They must work to survive. Others face a hard decision.
Perhaps the easiest choice has to do with (36)__________. One husband said, "Marge and I decided after careful consideration that for her to go back to work at this moment was an (37)__________we couldn’’t afford." With two preschool children, it soon became clear in their figuring that with babysitters, (38)__________, and increased taxes, rather than having more money, they might (39)__________end up with less.
Economic factors are usually the first to be (40)__________, but they are not the most important. The most important aspects of the decision have to do with the (41)__________needs of each member of the family. It is in this area that husbands and wives find themselves having to face many confusing and (42)__________feelings.
There are many women who find that homemaking is boring or who feel (43)__________if they hav
[单项选择]
生物界形形色色、丰富多彩的直接原因和根本原因是（）
①蛋白质分子的多样性
②核酸种类的多样性
③DNA分子的多样性
④氨基酸分子的多样性
A. ①②
B. ③④
C. ④①
D. ①③
[单选题](单选题).配料,是指在中药饮片生产过程中,把某些原辅材料按一定()混合在一起的过程。
A.方法
B.分类
C.比例
D.质量
[单项选择]26岁，月经规律，停经50天，少量阴道出血6天，偶有腹痛。妇科检查：宫颈软，宫体稍大而软，附件无异常。该病人最可能的诊断是（）。
A. 功能性子宫出血
B. 子宫肌瘤
C. 宫外孕
D. 先兆流产
E. 子宫内膜炎
[单选题]将源程序中多处使用的同一个常数定义为常量并命名，（ ）。
A.提高了编译效率
B.缩短了源程序代码长度
C.提高了源程序的可维护性
D.提高了程序的运行效率
[单选题]依据《中国南方电网有限责任公司安全生产风险分级管控和隐患排查治理双重预防机制管理办法》(Q/CSG2092003-2021)第十六条规定:公司各级业务管理部门应根据隐患等级制定隐患治理策略,在重大隐患等级认定后( )内、一般隐患等级认定后5个工作日内,明确隐患治理或督促整改的责任单位、责任人及完成时限,组织制定风险防控措施和治理方案。
A. 1个工作日
B. 2个工作日
C. 3个工作日
D. 4个工作日
[单选题]允许速度大于 120km/h 的无缝线路上,钢轨顶面凹凸矢度不得大于( )。
A.0.1mm
B.0.2mm
C.0.3mm
D.0.5mm
[单项选择]______是数据库技术与并行处理技术相结合的产物，是为了处理大型复杂数据管理应用领域中的海量数据而提出的，该DBS的硬件平台是并行计算机系统，使用多个CPU和多个磁盘进行并行数据处理和磁盘访问操作，以提高数据库系统的数据处理和I/O速度。
A. 集中式数据库系统
B. 并行数据库系统
C. 分布式数据库系统
D. 客户/服务器数据库系统
[单选题]公司所属各级配网管理部门应建立（ ）培训制度，制定培训目标和年度培训计划，针对性开展岗位培训和技能培训，确保培训工作质量和效果。
A.不定期
B.定期
C.按需
[单项选择]
Three factors contribute to the miraculous spread of English (36) an international language: English usage in science, technology and commerce; the ability to (37) vocabulary from other languages; and the acceptability of various English dialects.
In science, English (38) German after World War II. With this technical and scientific dominance (39) the beginning of overall dominance by the language, (40) in Europe and then globally. Today, the information (41) has replaced the industrial age and has (42) time and distance. This is transforming world economies from industrial production to information-based goods and services. (43) geography and borders, the information revolution is reflecting our world. In less than twenty years, information processing, (44) limited to the printed work, has given way to computers and the Internet. Computer-aided communication is closing the gap between spoken
A. as
B. like
C. as if
D. of
[单选题]绝缘服外表层材料应具有憎水性,防潮性能好, 沿面闪络电压( ),泄露电流( ),即使绝缘服短接两相线路,也应确保人员及设备安全。
A.低 小
B.高 大
C.低 大
D.高 小
[多选题]消防救援人员外出（）
A.必须按级请假
B.按时归队销假
C.未经领导同意不得外出
D.必须越级请假
[判断题]HW质量三大红线是“错漏混、批量质量问题、影响交付”。( )[判断题]
A.正确
B.错误
[单选题]小儿视深度充分发育，视力达到 1. 0 的年龄为( )
A.2 岁
B.3 岁
C.4 岁
D.6 岁
E.10 岁
[单选题]轻型血友病患者FⅧ
A.＜1％
B.2％～5％
C.6％～25％
D.26％～45％
E.＞50％
[单选题]室内活动场地有限，为避免在活动中损伤，组织活动时要做到( )。
A.分组进行，互不干扰
B.分组进行，相互影响
C.不必分组
D.少设活动项目
[单项选择]汽轮机正常运行时，自动主蒸汽门的开度状况是（）。
A. 与汽轮机负荷的大小有关；
B. 全开；
C. 全关；
D. 保持汽轮机空负荷的开度。
[单项选择]目前，( )能采用CO2气体保护焊进行焊接。
A. 1Cr18N19Ti
B. 1Cr13
C. Q345(16Mn)
D. OCr25Ni20
[单选题]一些人因为注意力极度分散,即使对他们进行安全知识和操作技能训练,在本质上还只是潜伏看发生事故的危险性为( )
A.事故频发者
B.心不在焉
C.理解迟钝者
D.知识贫乏者
[单项选择]锅炉水位显示满水时，可以通过（）来判断真假，并采取相应措施。
A. 排污
B. 加大上水
C. 加水
D. 观察火焰颜色
[单项选择]流行病学统计，女性发病多于男性的有（）。
A. 白斑
B. 盘状红斑狼疮
C. 龋病
D. 地图舌
E. 牙龈癌
[多选题]各单位要结合岗位职责和工作实际，制定电力建设工程安全专项治理行动实施方案，进一步明确，细化专项治理（），做好前期准备和动员部署。
A.范围
B.重点
C.步骤
D.措施
E.要求
[单项选择]根据AJCC调查Ⅰ期恶性黑色素瘤患者5年生存率约为（）。
A. 90％
B. 75％
C. 50％
D. 65％
E. 43％
[判断题]
短文理解2
John Preston lives in a flat in north London. He moved there after his wife died four years ago to be closer to his daughter's family, and because his big detached house and garden were too much work for him as he got older. It's easier in the flat because the letting agent does everything that needs doing. The agent has had the roof repaired and got the gutter replaced, but at the moment John is not satisfied because the window frames need painting and the garden looks neglected. The agent had the windows painted two years ago, but the painters didn't do it very well, so they need doing again. John pays over￡1,500 a year for ser-nce and maintenance, and he thinks that it's not good enough because the flats look shabby and a lot of things need repairing.
His daughter, June, and her husband, Peter, on the other hand, have to do everything.
themselves or find builders to do it. They live in a large semi-detached house further out from t
[单选题]执法人员应当在每次执法结束的( )小时内,将执法记录仪记录的声像资料上传至电子证据管理系统,并按规定程序完成资料的编辑归档工作。 ( )
A.6
B.12
C.24
D.48
[单选题]全麻苏醒期若病人出现呕吐先兆,应立即:
A.头低脚高,头偏向一侧
B.头高脚低,头偏向一侧
C.平卧位,头偏向一侧
D.俯卧位,头偏向一侧
[单选题]固定硬母线金具的上压板是铝合金铸成的，如有损坏或遗失可用（） 代替。
A. 铁板
B. 铸铁
C. 铁合金
D. 铝板
[单项选择]患儿胎龄33周，生后6小时出现呼吸困难、呻吟、进行性加重。体检有吸气性三凹征，两肺呼吸音减低。若给予该患儿PS治疗，每次给药剂量为（）
A. 50mg／kg
B. 80～100mg／kg
C. 100～150mg／kg
D. 70～200mg／kg
E. 200～250mg／kg
[单选题]配电线路预绞丝应与导线在损伤严重中心处紧密接触，且两端应超出损伤部位( )mm。
A.80
B.100
C.120
D.140
[多项选择]
第三组：
8个月男婴，腹泻3灭伴呕吐入院。大便稀薄， 10余次/日，昨日起口干，尿少，发热T38.3℃。查体：神萎，哭泪少，前肉、眼窝凹陷，唇干、皮肤弹性较差，心肺(-)，腹软。
提示：大便常规：色黄，少量黏液，白细胞0～4/HP。患儿为人工喂养，乳具较少消毒。
提问：可能的诊断是（）
A. 细菌性痢疾
B. 急性胃肠炎
C. 病毒性肠炎
D. 致病性大肠杆菌肠炎
E. 金黄色葡萄球菌肠炎 生理性腹泻
[单选题]
由于复利计算的结果，静态投资回收期一般( )动态投资回收期。
A. 大于
B. 等于
C. 小于
D. 无法确定
[难度2]
