热门试题:
[单项选择]血栓性血小板减少性紫癜形成微血栓的机制,下列哪一项是错误的( )
A. 血浆中缺乏血小板聚集因子的抑制物
B. 机体产生血小板表面相关IgC
C. 机体产生免疫复合物
D. 血小板聚集活性减低致血管扩张
E. 免疫复合物损伤微血管壁,同时致敏血小板,使血小板被网状内皮细胞清除
[单选题]高压试验装置的电源开关,应使用明显断开的双极刀闸。为了防止误合刀闸,可在()
上加绝缘罩。
A.手柄
B.开关
C.刀闸
D.刀刃或刀座
[判断题]安全事故报告应及时、准确、完整,任何单位和个人对事故不得迟报、漏报、谎报或者瞒报。
A.正确
B.错误
[单项选择]铝合金试件经渗透探伤后应彻底清洗干净,其原因是()
A. 渗透剂中的酸性物质可能引起腐蚀
B. 渗透剂与铝起化学反应,影响铝合金的金相组织
C. 湿式显像剂与大多数乳化剂中的碱性物质会使铝合金试件表面产生腐蚀麻坑
D. 渗透探伤带来的有毒残余物会严重影响铝合金表面涂漆
[多选题]《20kV及以下配电网工程预算定额 第二册 电气设备安装工程》,防雷接地的内容包括()。
A.A、接地极安装
B.B、接地电阻率高的土质换土
C.C、接地母线敷设
D.D、避雷引下线安装
E.E、接地调试
[单选题]G NAS流程管理包括注册管理和会话管理两部分。
A. 对
B. 错
[单项选择]通常分裂
A. 深吸气末S2分裂,尤见于青少年
B. 主动脉瓣关闭迟于肺动脉瓣关闭
C. 肺动脉瓣关闭明显延迟
D. 额外心音与原有的S1、S1组成类似马奔跑蹄声
E. 第二音后0.07s音调高、历时短促而响亮,清脆呈拍击样
[单项选择]就在车迟国国王犹豫之际,孙悟空用了什么方法使国王最终下定决心给唐僧师徒换关文?()
A. 孙悟空比坐禅赢了;
B. 国王反悔了;
C. 孙悟空比砍头赢了
[单项选择]有关抗原抗体的亲和性和亲和力的描述,错误的是()。
A. 亲和性是指抗体分子上一个抗原结合点与对应的抗原表位之间相互适应而存在的引力
B. 抗体的亲和力是指抗体结合部位与抗原表位之间结合的强度,与抗体结合价直接相关
C. 亲和性K值越大,其亲和力也就越太
D. 抗原抗体反应的灵敏度与亲和性和亲和力无关
E. 抗原抗体空间构象互补程度越高,亲和力越高
[单项选择]1岁半女孩,发热、咳嗽3天,半天来嗜睡,因抽搐、昏迷1小时急诊。体温38.4℃,前囟膨隆,呼吸44次/分,双肺散在细湿啰音,心率140次/分,肝肋下2cm,白细胞22×109/L,N75%。
首先要给予的治疗是( )
A. 缓慢静脉注射安定,静脉补钙
B. 肌内注射安痛定及安定
C. 缓慢静脉注射安定,快速静脉滴注20%甘露醇
D. 肌内注射鲁米那及维生素D3
E. 缓慢静脉注射西地兰及钙剂
[判断题]参加职工基本养老保险的个人达到法定退休年龄时,累计缴费不足15年的,一律转入城乡居民养老保险。()
A.正确
B.错误
[单选题]根据货币市场工具间的利率风险结构关系,通常以下哪个利率最低()
A.贴现利率
B.存款准备金利率
C.同业拆借利率
D.银行短期贷款利率
[判断题]小微客户包括小微企业主。
A.正确
B.错误
[多选题]下列关于临边防护栏杆的规定,哪些是正确的?( )
A.防护栏杆应由上、下两道横杆及栏杆柱组成
B.上杆离地高度为1.5~1.8m
C.下杆离地高度为0.5~0.6m
D.上杆离地高度为1.0~1.2m
E.下杆离地高度为0.6~0.8m
[多项选择]SRCH_WIN_A是()的搜索窗。
A. 相邻集
B. 激活集
C. 剩余集
D. 候选集
[单项选择]加入()后,当Uz、UF全为”1”状态时,使逻辑保护环节输出电位变为”0”,使UUf和Uur都为高电平,两组触发脉冲同时封锁,避免产生短路环流事故。
A. 电流调节器
B. 逻辑保护环节
C. 延时环节
D. 限幅环节
[单项选择]上颌骨骨折后最可能的移位方向是( )
A. 前上
B. 左右
C. 后上
D. 前下
E. 后下
[多选题] 办理下列服务贸易境内外汇划转业务的,由划付方银行按展业原则审核交易单证:
A.对外承包工程项下总承包方向分包方划转工程款
B.服务外包项下总包方向分包方划转相关费用
C.境内机构向个人归还垫付的公务出国项下相关费用
D.境内机构向国际运输或国际运输代理企业划转国际运输项下运费及相关费用
[判断题]第166题
电力电缆芯线连接采用点压时,压坑顺序是先外后内,采用围压时,顺序是先内后外。
A.正确
B.错误
[单选题]木材主要是由( )组成的化合物。
A.碳、氢、硫元素;
B.碳、硫、氧元素;
C.碳、氢、氧元素;
D.硫、氢、氧元素
[判断题]水泥混凝土路面中的拉杆和传力杆均采用光面钢筋。()
[单项选择]慢性粒细胞白血病()
A. 周围血中幼稚细胞、原始细胞>30%
B. 周围血有较多幼稚粒细胞伴嗜酸、嗜碱性粒细胞增多
C. 周围血和骨髓中淋巴细胞>60%
D. 周围血中幼红、幼粒细胞易见,骨髓出现“干抽”
E. 周围血中易见盔形红细胞及破碎红细胞
[单选题]配电变压器台架安装要求()的接地形式。
A.变压器中性点单独接地
B.中性点和外壳一齐接地
C.中性点和避雷器一齐接地
D.中性点、外壳、避雷器接入同一个接地体中
[单项选择]Gordon Kent is the kind of tough English northerner who runs things his own way. Contrary to what is normal in big corporations today, his company has no remuneration committee, it is short on part-time directors and it has no qualms about employing family members. Mr Kent is chairman and chief executive of the engineering fu’m William Kent, which has been a family business since the middle of the last century. Until a week ago none of this would have made the headlines. But a rival engineering company has changed this with its ~58 million hostile takeover bid, putting Kent’s management style in the spotlight. Kent is a fighter: "All my career, I’ve battled. I’ve had to battle with customers and suppliers and management."
This will certainly not be his first fight. In 1980, when borrowing money was costing more than 20 per cent, his father was in favour of closing the business. Gordon was not; he forced his father off the board of directors and saved the company. He says, "A differe
A. people outside the company think he’s overpaid,
B. if he left, the company would lose some of its bank contracts.
C. he’s the most important member of the company.
D. the value of his work justifies an increase in his insurance policy.
[多选题]事故的分析处理要遵守“四不放过”原则是()。
A.事故原因没有查清不放过
B.事故责任者没有严肃处理不放过
C.生命和财产损失不公示不放过
D.广大职工没有受到教育不放过
E.防范措施没有落实不放过
[多项选择]下列选项中属于社会保险法律关系客体的有()。
A. 承担缴纳社会保险的义务
B. 就业服务项目
C. 医疗保险中的医疗津贴
D. 医疗服务
E. 失业保险中的失业保险金
[单项选择]People have good reason to care about the welfare of animals. Ever since the Enlightenment, their treatment has been seen as a measure of mankind’s humanity. It is no coincidence that William Wilberforce and Sir Thomas Foxwell Buxton, two leaders of the movement to abolish the slave trade, helped found the Royal Society for the Prevention of Cruelty to Animals in the 1820s. An increasing number of people go further: mankind has a duty not to cause pain to animals that have the capacity to suffer. Both views have led people gradually to extend treatment once reserved for mankind to other species.
But when everyday lives are measured against such principles, they are fraught with contradictions. Those who would never dream of caging their cats and dogs guzzle bacon and eggs from ghastly factory farms. The abattoir and the cattle truck are secret places safely hidden from the meat-eater’s gaze and the child’s story book. Plenty of people who denounce the fur-trade (much of which is f
A. the public’s ignorance of scientific research results in attacks on science
B. a measure of mankind’s humanity is taken into account
C. confusion and contradiction result from vulnerable campaigns
D. the debate is bound to aggravate in the next decade
[单选题] 仪器、工具、材料、消防器材等设施应在( )时进行检查。
A.巡视;
B.使用;
C.交接班;
D.维护。
[单选题]两个电阻,当它们并联时的功率比为16:9,若将它们串联,则两电阻上的功率比将是( )。
A.4:3
B.9:16
C.3:4
D.16:9
[单选题]邻近营业线进行可能影响铁路路基稳定、行车设备使用安全的开挖基坑、降水和挖孔桩施工,列为邻近营业线( )类施工。
A.A
B.B
C.C
D.D
[单选题]中国少数民族人口虽少,但分布很广,中国民族成分最多的是( ),有25个民族。
A.广西
B.贵州
C.云南
D.四川
[单项选择]What OSPF LSA is used to support MPLS-traffic Engineering ?()
A. External LSA (Type 5 )
B. Opaque LSA (Type 9 )
C. Opaque LSA (Type 10 )
D. Opaque LSA (Type 11 )
E. NSSA LSA (Type 7 )
[判断题]刚性定位线夹安装时应保证汇流排窜动自如,没有卡滞现象。
A.正确
B.错误
[单选题]《特种设备安全法》规定,特种设备( )由国务院负责特种设备安全监督管理的部门制定。
A.管理制度
B.行业标准
C.安全技术规范
[单项选择]实验证明,材料在小能量多次重复冲击时的多冲抗力主要取决于材料的()
A. 刚度
B. 塑性
C. 强度
D. 冲击韧性
[单选题]评估某老年病人,发现病人主诉不清,其配偶反映病人近年来,除不与人交往、孤僻等外,还变得动作迟缓、生活不能自理,最有可能考虑为
A.焦虑症
B.抑郁症
C.空巢综合征
D.老年痴呆
E.神经症
[判断题]《大型养路机械使用管理规则》规定:各车到达作业地点,在放下工作装置并开始作业前,应开启GYK大机防溜功能,作业结束并收起工作装置后,应及时关闭GYK大机防溜功能。
A.正确
B.错误