热门试题:
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSSG510001-2015)附录C条规定:一张工作票最长工作时间不超过( )天。
A.5天
B.7天
C.10天
D.15天
[判断题](判断题).实测体重在理想体重范围的判断超过20%为肥胖
A.正确
B.错误
[单选题] 安全警戒线的作用是( )。
A.提醒人员,防止绊倒
B. 禁止抛物
C.禁止停放
D.提醒人员,避免误碰、误触运行中的相关设备
[单选题]某矿每天使用炸药量为0.5t,该矿井井下爆炸材料库的最大贮存量不得超过[ ]t。( )
A.1.5,
B.2.5,
C.3.5
[单选题]现代智慧供应链的核心业务体系以智能采购、数字物流、全景质控三大智慧业务链为( )。
A.核心
B.基础
C.支撑
D.中心
[单选题]拉线安装后对地平面夹角与设计值允许偏差应符合以下规定,35kV电力架空线路不应大于(____)度。
A.5
B.3
C.2
D.1
[判断题]供电质量是指电压、频率和波形的质量。
A.正确
B.错误
[单选题]技术管理工作由项目管理机构()全面负责。
A.项目经理
B.总工程师
C.各专业技术主管
D.监理师
[单选题]由税务行政相对人的原因造成的执法过错,也属于税收执法过错。
A.正确
B.错误
C.正确
D.错误
[单项选择]男,61岁,冠心病心绞痛伴左心衰竭入院,应用洋地黄后出现频发多源性室性早搏。根据上述病情最重要的检查应选择()
A. 查血清钾浓度
B. 作全导心电图
C. 作超声心动图
D. 查血糖及尿酮体
E. 查心肌酶谱
[判断题]在PowerPoint2007中,插入幻灯片中的声音有剪辑管理器中的声音、文件中的声音、播放CD乐曲、录制声音等4种。
A.正确
B.错误
[单项选择]一个铜排接线孔,最多能接()根线。
A. 1
B. 2
C. 3
D. 4
[判断题]原子吸收光谱仪主要由光源、原子化装置、分光系统和检测系统等部分组成。
A.正确
B.错误
[单项选择]初产妇,25岁,孕40周,规律宫缩4小时后入院,检查:宫口近开全,先露在棘下3cm,胎心音150次/分,正确的诊断是()
A. 急产
B. 加速期延缓
C. 正常产程
D. 胎儿窘迫
E. 协调性宫缩过强
[单选题]在220kV及以上变压器保护中( )保护的出口不宜启动断路器失灵保护。
A.差动
B.瓦斯
C.220kV零序过流
D.中性点零流
[单项选择]35kV及以上电缆明敷时,若采用水平敷设,应在直线段每隔()处固定。
A. 10m
B. 50m
C. 100m
[单项选择]There has been, in history, a man who was swallowed by a whale and lived to tell the tale. The man’s name is James Bartley. The records to prove his unusual experience are in the British Admiralty.
Bartley was making his first trip on the whaling ship Star of the East. Suddenly the lookout sighted a huge sperm whale. The whalers knew it was a huge whale by the size of the spray it blew into the air. They lowered their small boats. James Bartley was in the first longboat. The men rowed until they were close to the whale. A harpoon was thrown and it found its mark. It sank into the whale’s flesh. The maddened beast crashed into the boat, snapping its tail at the men and the wreckage of their boats. When the survivors were picked up, James Bartley was missing.
Shortly before sunset, the whale was finally captured. The sailors tied the whale’s dead body to the side of the ship. Because of the hot weather it was important that they cut up the whale right away. Otherwise, the meat
A. how to hunt whales for their oil and meat
B. the hard and dangerous lives that whalers had to live
C. the duties of each man on a whaling ship
D. a man who was swallowed by a whale and lived
[单项选择]手术前需预防性使用抗生素的是()
A. 经阴道子宫切除术
B. 甲状腺手术
C. 疝修补术
D. 子宫肌瘤切除术
E. 扁桃体摘除术
[填空题]室内装饰工程是一种特殊的商品,在实践操作中,应考虑以下几个方面:第一,室内装饰工程要满足人在室内活动的()要求。第二,室内装饰工程应从美学原理出发,通过()和材料色彩、质地、()巧妙的艺术处理来改变空间,调整和弥补建筑设计上的缺陷。第三,室内装饰工程应重视消费者的()。
[判断题]轨道车运行控制设备(GYK)具有轨道电路信息接收、运行监控、警醒、数据记录、语音记录及人机交互等功能。
A.正确
B.错误
[单项选择]D型和HL型提升机一般采用()。
A. 鳞式料斗
B. 深斗或浅斗
C. 鳞式料斗或浅斗
[单项选择]最有助于肝性脑病诊断的检查是().
A. 血尿素氮
B. 血氨
C. 血清胆红素
D. 血糖
E. 丙氨酸转氨酶
[单项选择]下列材料中,不可做往复泵活塞环的是()。
A. 夹布胶本
B. 铸钢
C. 塑料
D. 青铜
[判断题]成都东动车乘务车间《动车组防冻管理办法》 成东动乘技〔2020〕41号中如同一存放点多车组存放,以当日点温温度值为启动依据,启动范围实行同一地点全覆盖
A.正确
B.错误
[不定项选择题]A.植物化学物
A.宏量营养素
B.微量元素
C.宏量元素
D.抗氧化营养素
E.钙、钠属于
[多选题]直流电机根据励磁绕组与电枢绕组连接方式的不同,自励又可分为(____)三种。
A.并励
B.串励
C.复励
D.同励
[单选题](2017年考题)合金钢管道焊接时,底层应采用的焊接方式为()。
A.焊条电弧焊
B.埋弧焊
C.CO2电弧焊
D.氩弧焊
[单项选择]训练孤独症患儿最常用的强化行为方法是()
A. 正强化
B. 负强化
C. 替代行为区分强化
D. 相互抵制区分强化
E. 塑造和串联
[多选题]荧光灯管管端有微光故障原因是()。
A.接线方法不对
B.开关漏电
C.新灯管的余辉景象
D.电压低
[单项选择]腭裂手术法中不包括()
A. 蓝氏法
B. 双瓣后推法
C. 单瓣法
D. 岛状瓣法
E. Abbe瓣法
[单选题]某特长双车道公路隧道在修建过程中,采用地质雷达进行超前地质预报及衬砌质量的检测。结合上述内容,回答下列问题。(1)地质雷达天线要求具有屏蔽功能,最大探测深度大于2m,垂直分辨率应高于()。
A. 5mm
B. 10mm
C. 20mm
D. 50mm
[填空题] I’m told that during an international game of chess (国际象棋), many beautiful moves could be made on a chessboard. In a decisive __36__ in which he was evenly matched with a Russian master __37__, Marshall found his queen under serious attack. There were several ways of __38__, and since the queen is the most __39__ piece, spectators (观众) thought Marshall would naturally move his queen to __40__.
Deep in thought, Marshall used all his time to consider the __41__. He picked up his queen, paused, and placed it down on the most __42__square of all一a square from which the queen could be __43__ by any one of three enemy pieces.
Marshall had sacrificed (牺牲) his queen—an unthinkable move. Everyone else was __44__.
Then the Russian, and the __45__, realized that Marshall had actually made a __46__ move. It was clear that no matter how the __47__ was taken, the Russian would soon be in a __48__ position. Seeing this, the Russian admitted his defeat.
When spectators recover
A. A.cause
B.blow
C.accident
D.shock
[多选题]汇率变动的决定因素包括()。
A.物价的相对变动
B.国际收支差额的变化
C.国际储备余额的变化
D.市场预期的变化
E.政府干预汇率
[多选题]移动照明灯组广泛用于各种夜间作业,如( )等场合,满足了现场对大面积、高亮度照明的需求。1
A.大型施工
B.工程抢修
C.灾情抢险
D.消防照明
E.交通救援和事故处理
[判断题]氯酸盐、硝酸盐均可与烃类、醇类、油脂等物质混合接触。
A.正确
B.错误