热门试题:
[单选题]制造商品牌又称（ ）
A.全国品牌
B.分销商品牌
C.商品品牌
D.四人品牌
[单选题]焊接时,焊芯有两个功能:一是传导焊接电流,产生电弧;二是焊芯本身熔化作为填充金属与熔化的母材熔合形成( )。(难)
A.焊缝
B.焊渣
C.焊皮
D.焊接
[填空题]ORDB中，继承性有两种级别：（）和（）。
[单项选择]退休或丧偶属于（）。
A. 生理性应激原
B. 挑战性应激原
C. 威胁性应激原
D. 丧失性应激原
[简答题]电动转辙机自动开闭器机械联动机构有哪些零件组成？
[单项选择]
Electric Backpack
Backpacks are convenient. They can hold your books, your lunch, and a change of clothes, leaving your hands free to do other things. Someday, if you don’t mind carrying a heavy load, your backpacks might also power your MP3 player, keep your cell phone running, and maybe even light your way home.
Lawrence C. Rome and his colleagues from the University of Pennsylvania in Philadelphia and the Marine Biological Laboratory in Woods Hole, Mass, have invented a backpack that makes electricity from energy produced while its wearer walks. In military actions, search-and-rescue operations, and scientific field studies, people rely increasingly on cell phones, global positioning system (GPS) receivers, night-vision goggles, and other battery-powered devices to get around and do their work. The backpack’s electricity-generating feature could dramatically reduce the amount of a wearer’s load now devoted to spare batteries, repo
A. To make the backpack more comfortable for the wearer.
B. To put the backpack on the market.
C. To test the advantage of the backpack.
D. To promote the backpack in a newspaper or on television.
[多选题]消防救援队伍必须坚持（ ）。
A.党对国家综合性消防救援队伍绝对领导
B.以人民为中心的发晨思想
C.战斗力标准
D.依法治队从严治队
[判断题]《非空调列车服务质量规范》中，25型客车下拉上开式车窗开启范围在100～150毫米。
A.正确
B.错误
[单选题]世界上最先出现的国际货币体系是（ ）
A.牙买加体系
B.布雷顿森林体系
C.国际金银本位制
D.国际金本位制
[单选题]肺换气气体通过的部位是
A.A:支气管
B.B:细支气管
C.C:肺泡壁
D.D:肺泡小管
E.E:呼吸膜
[单项选择]He was an old man with a white beard and huge nose and hands. Long before the time during which we will know him, he was a doctor and drove a jaded white horse from house to house through the streets of Winesburg. Later he married a girl who had money. She had been left a large fertile farm when her father died. The girl was quiet, tall, and dark, and to many people she seemed very beautiful. Everyone in Winesburg wondered why she married the doctor. Within a year after the marriage she died.
The knuckles of the doctor’s hands were extraordinarily large. When the hands were closed they looked like clusters of unpainted wooden balls as large as walnuts fastened together by steel rods.He smoked a cob pipe and after his wife’s death sat all day in his empty office close by a window that was covered with cobwebs. He never opened the window. Once on a hot day in August he tried but found it stuck fast and after that he forgot all about it.
Winesburg had forgotten the old man, but
A. eagerness to shut himself away from society
B. suppressed desire to communicate with people
C. optimism about life
D. cynical attitude towards life
[单项选择]以下哪项不符合糖尿病口腔表现（）
A. 牙龈炎症明显，易出血
B. 反复出现牙周脓肿，牙槽骨吸收迅速，以致牙松动脱落
C. 龋病、牙髓病、根尖周炎的发生率增高
D. 口内唾液多而稀薄
E. 常伴发细菌和真菌感染，并有组织坏死倾向
[单项选择]测量结果与被测量真值之差，称为（）
A. 相对误差
B. 总误差
C. 随机误差
D. 系统误差
E. 测量误差
[判断题]HXD１电力机车每个PWM逆变器为同一转向架上的两台牵引电动机供电。
A.正确
B.错误
[单选题]女婴，4个月。冬季出生，足月顺产，单纯牛奶喂养。近半个月来较烦躁，夜寐欠佳。体检应注意的体征为
A.肋串珠
B.鸡胸
C.方颅
D.颅骨软化
E."O"形腿
[单项选择]水气病的形成原因主要是（）
A. 湿热内蕴，弥漫三焦
B. 阳气衰微，水停不化，泛滥全身
C. 外感风寒，引动水饮
D. 以上都不对
[单项选择]外科内治消托补三大法的依据是（）
A. 外科病的病因
B. 外科病的病情变化
C. 外科病的临床分期
D. 外科病的治疗经验
E. 以消为贵的学术思想
[单选题]袁世凯死后 ,中国出现军阀割据局面的社会根源是
A.半殖民地半封建的社会性质
B.军阀拥有武装
C.帝国主义扶植军阀
军阀派系之间的矛盾
[单选题] "在肝性脑病的治疗中,首选植物蛋白是因其含有
A.乳果糖
B.乳梨醇
C.支链氨基酸
D.抗生素
E.丰富的优质蛋白
[判断题]空驶列车、工程列车、救援列车和调试列车出入车厂及跨线作业时均按列车办理。
A.正确
B.错误
[单项选择]初产妇，29岁，妊娠41周，因临产3小时突然破水，羊水黄绿，胎心率110~120次／分，宫缩40秒／2~3分。考虑胎儿宫内窘迫立即行子宫下段剖宫产术。术中取出胎儿后，产妇突感呼吸困难，烦躁不安，呛咳，发绀，血压80/50mmHg，脉搏50次／分，双肺听诊有湿啰音。最可能的诊断为（）
A. 子痫
B. 休克
C. 羊水栓塞
D. 心力衰竭
E. 急性肺炎
[判断题]党的十大与党的九大一样,在思想路线、政治路线和组织路线上都是错误的。( )
A.正确
B.错误
[单项选择]低合金高强度钢加入的主要合金元素有Mn、Si、V、Nb和Ti等，它们大多小能在热轧或（）状态下使用，一般要进行热处理后方可使用。
A. 正火
B. 退火
C. 回火
[单项选择]患者59岁。绝经8年。近3个月阴道出血2次，每次持续3天。妇科检查：外阴，阴道无萎缩，宫颈光滑，子宫前位，正常大小，右侧附件区可触及手拳大肿物，光滑、实性、活动良好。无腹水，全身淋巴结无转移。患者最可能的诊断为（）。
A. 子宫内膜癌
B. 卵巢颗粒细胞瘤
C. 卵巢无性细胞瘤
D. 卵巢畸胎瘤
E. 卵巢睾丸母细胞瘤
[单项选择]二度烫伤水泡破裂后，则血浆样体液外渗，水疱基底呈均匀红色，伴有( )。
A. 红斑
B. 皮肤坏死
C. 轻微疼痛
D. 剧烈疼痛
[单项选择]整个宴席中原料最好、质地最优、价格最高的菜肴是（ ）
A. 冷菜
B. 甜菜
C. 大荤菜
D. 头菜
[判断题]某变电所接到调度下达的35千伏某线路由运行转检修预令，操作前需将两个变电所的35千伏系统合环转移负荷。次日，调度下达拉开消弧线圈刀闸的口头令，变电所误认为调度下达的是线路操作命令，未向调度复诵操作命令，调度也未要求复诵，值班员不了解操作意图，不掌握35千伏系统合环需要拉开消弧线圈刀闸的技术要求，在无人监护、未进行模拟预演情况下，误拉35千伏线路开关。
该起事故存在违章行为：未进行模拟预演。违反《安规》关于“正式操作前可进行模拟预演，确保操作步骤正确”的规定。
A.正确
B.错误
[判断题]夏季生产时，为了补偿精馏塔塔顶空冷不足，可以适当提高其回流温度。（）
[单选题]
Examine this FortiGate configuration:
Examine the output of the following debug command:
Based on the diagnostic outputs above how is the FortiGate handling the traffic for new sessions that require inspection?
A. It is allowed but with no inspection
B. It is allowed and inspected as long as the inspection is flow based
C. It is dropped.
D. It is allowed and inspected as long as the only inspection required is antivirus.
[单选题]根据《环境影响评价技术导则—生态影响》，生态现状调查时，在（ ）情况下，应做专题调查。
A.项目投资额较大时
B.项目评价范围较大时
C.有敏感生态保护目标时
D.项目评价等级大于二级以上时
[判断题] 在视线被遮挡的情况下，司钻可以凭经验进行接单根作业。
A.正确
B.错误
[单选题]《铁路旅客运输管理规则》１０１条中规定，旅客列车运行在市区、长大隧道、大桥时或停车５分钟以上的（ ）前，乘务员应锁闭厕所。
A.停车站
B.到站
C.车站和终点站
D.中途站
[单选题]( )制度被称为污染控制法的“支柱”,在环境与资源保护法中被广泛采用。
A.“三同时”
B.许可证
C.征收排污费
D.经济刺激
[判断题]《修规》第1.0.6条，优化劳动组织，实行检、养、修分开，大力推进检测、修理专业化建设；积极推行工务、电务、供电等专业日常维修一体化管理，促进专业管理和综合管理融合。
A.正确
B.错误
[单选题]配电二次系统上的工作，电能计量装置的二次回路变动时，应按经审批后的图纸进行。
A.正确
B.错误
C.
D.
E.略
F.略
[单选题]供我国大陆地区个人或法人买卖的、以人民币标明票面金额并以人民币认购和交易的股票为（ ）。
A.A股
B.B股
C.C股
D.H股
[单项选择]血浆胶体渗透压主要来自（）
A. 葡萄糖
B. Na+
C. K+
D. 球蛋白
E. 清蛋白
