热门试题:
[判断题]一但中了IE窗口炸弹马上按下主机面板上的Reset键,重起计算机。
A.正确
B.错误
[单选题]因特殊情况需在警冲标外方进行装卸作业时,须经()、调车区长准许,在不影响列车到发及调车作业的情况下方可进行,装卸完了后,应立即送入警冲标内方。
A.车站值班人员
B.车站值班员
C.车站调度员
D.列车调度员
[判断题]起阻挡列车运行作用的调车信号机,应采用矮型三显示机构,增加红色灯光或用红色灯光代替蓝色灯光。当该信号机的红色灯光熄灭、显示不明或显示不正确时,应视为列车的停车信号。
A.正确
B.错误
[单项选择]Morison and Philip were classmates. They lived in the same town. After they left school, Morison became the manager(经理) of a flower shop and Philip became a doctor in a hospital.
Philip made a girlfriend. He bought a rod rose for her each day to show his love. The flowers made her very happy. Sometimes he took the rose to her himself. But when he was busy in the hospital, he asked Morison to give the rose to her instead of him.
One afternoon, Philip came into the flower shop and said to Morison. "1’!1 go to another town to work today. I have no time to give the letter and the flowers to my girlfriend. Please give her the letter and twenty-four roses. "
In the evening, when Morison was closing the door of the shop, Philip came. "Morison, how many roses did you give my girlfriend this morning" asked Philip angrily.
"I gave her thirty, "answered Morison.
"Why did you do that" asked Philip.
"I thought you often bought roses for her in my shop. I want to
[判断题] 因极端天气等客观原因,导致无法实施的施工,经施工管理工作小组认定后,不计入统计指标。( )
A.正确
B.错误
[判断题]气焊黄铜时既产生烟尘又产生有毒气体。
A.正确
B.错误
[判断题]Ⅰ、Ⅱ、Ⅲ级线路,直线及半径大于1200m的曲线地段,一般100Mt通过总质量打磨一次(含多遍,达到设计廓形为止)。
A.正确
B.错误
[多选题]下列情况,车站控制模式转为紧急站控模式:( )
A.必须由车站办理的作业
B.MMI全部或部分功能故障时
C.行调认为可以授权由车站办理的事情
D.采用自动站间闭塞法和电话闭塞法行车时
[单选题]白色念珠菌病治疗,全身用药的首选药物是
A.A.四环素
B.B.青霉素
C.C.克霉唑
D.D.先锋霉素
E.E.病毒灵
[多选题]实验室内计量工作接线前应选择合适的量程并正确使用,检查( )。
A. 设备是否已切断电流
B. 设备是否已切断电压
C. 确定装置不处于工作状态
D. 接地
[不定项选择题]A.血清免疫球蛋白的测定
A.膜表面免疫球蛋白测定
B.E花环试验
C.PHA淋巴细胞转化试验
D.溶血空斑试验
E.T淋巴细胞计数试验是
[判断题]当井下发生爆炸事故时,现场人员应及时佩戴自救器,尽快撤离现场。( )
A.正确
B.错误
[判断题]基本运算电路的运算精确度与集成运算放大器无关。
A.正确
B.错误
[判断题]建设项目职业病防护设施必须与主体工程同时设计、同时施工、同时投入生产和使用
A.正确
B.错误
[单项选择]下边括号中对字的解释有误的一项是_____.
A. 蕴(包含)蓄 朝晖(阳光) 久违(离别) 飘曳(拉) 温馨(香气远闻)
B. 沮(败坏)丧 镌(雕刻)刻 煦(温暖)暖 颀(高)长 整饬(使整齐)
C. 钦(敬重)羡 悭(吝啬)吝 绉缬(不平) 干坼(裂) 袅(细长柔弱)娜
D. 困(疲乏)顿 愤懑(生气) 川(路途)资 遐(远)思 妩媚(姿态美好)
[单选题]进入有发生爆炸、中毒危险区域侦察时,选择( ),并严格控制人数。
A.精干人员
B.技术人员
C.专家组
D.指战人员
[单项选择]下面关于构造函数和析构函数的描述,错误的是( )。
A. 析构函数中调用虚函数采用静态联编
B. 对虚析构函数的调用可以采用动态联编
C. 当基类的析构函数是虚函数时,其派生类的析构函数也一定是虚函数
D. 构造函数可以声明为虚函数
[单选题]下列诗句背景与科举制实行无关的是( )。
A.慈恩寺下题名处,十七人中最少年
B.太宗皇帝真长策,赚得英雄尽白头
C.黑发不知勤学早,白首方悔读书迟
D.春风得意马蹄疾,一日看尽长安花
[单项选择]新斯的明作用最强的效应器官是( )
A. 心脏
B. 腺体
C. 眼睛
D. 胃肠平滑肌
E. 骨骼肌
[多选题](1686627)稠油油田开发动态分析的方法主要有( )、油藏数值模拟法。
A.统计法
B.作图法
C.物质平衡法
D.水动力学法
[填空题]某溶液的pH值为5.:5,其[H+:] =( )mol/L,该溶液能使甲基橙变成( )。
[单选题]安全检查中的经常性的“日查”,主要在日常生产活动中进行,一般由( )组织。
A.车间主任
B.技术员
C.班组长
D.工段长
[单选题]犯罪行为的准备不包括( )
A.准备犯罪工具
B.学习犯罪技术
C.收集相关信息
D.进行预先冥想
[单选题]30. Because Edgar was convinced of the accuracy of this fact, he _____ his opinion.
A.struck at
B.strove for
C.stuck to
D.stood for
[填空题]旅客问讯时,面向旅客站立(售票员、封闭式问讯处工作人员办理业务时除外),目视旅客,有问必答___ ,解释耐心。
[多选题]以下哪些属于废票( )。
A.设备废票箱的单程票
B.票卡回收箱的单程票
C.发售失败的计次票
D.发售失败的储值票
[单项选择]
Singing Alarms Could Save the Blind
If you cannot see, you may not be able to find your way out of a burning building-and that could be fatal, A.company in Leeds could
(51) all that with directional (定向的) sound alarms capable of guiding you to the exit,
Sound Alert, a company run
(52) the University of Leeds, is installing the alarms in a residential home for
(53) people in Sommerset and a resource centre for the blind in Cumbria. The alarms produce a
(54) range of frequencies that enable the brain to
(55) where the sound is coming from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be
(56) by humans. "It is a burst of white noise that people say sounds like static (静电噪声) on the radio," she says. "Its life-saving potential is
(57) . "
She conducted an experiment in which people were filmed by thermal-imaging (热效应成像) c
A. took
B. spent
C. used
D. had
[判断题]把交流电变成直流电的过程称为逆变。
A.正确
B.错误
[单选题]发电⼚和变电站的电⽓值班⼈员必须熟悉
。
A.两票三制
B.⼯作票
C.操作票
D.电⽓设备
[判断题] 抢救溺水者,首先要迅速“倒水”,然后再按情况进行其他抢救。
A.正确
B.错误
[判断题]国内统一刊号的登记号的前两位数为报刊序号。
[单选题]四肢关节牵引技术禁忌症
A. 四肢骨折
B.血肿
C.软组织损伤性骨化
D.软组织挛缩
[单选题]钢丝绳端部用绳卡固定连接时,绳卡压板应在钢丝绳主要受力的一边,不准正反交叉设置;绳卡间距不应小于钢丝绳直径的( )倍。
A.A.4
B.B.5
C.C.3
D.D.6
[单项选择]女,18岁,皮肤反复紫癜和淤斑,月经量多2年。既往经常关节疼痛,10岁起经常刷牙出血。患者曾因关节疼痛经常服用保泰松等药物,家庭中无类似疾患。为寻找出血原因,首选下列哪组检查()。
A. 血小板计数、毛细血管脆性试验、出血时间、凝血时间、血清凝血酶原时间
B. 血小板计数、毛细血管脆性试验、血小板黏附聚集试验、BT、CT
C. 血小板计数、BT、毛细血管脆性试验、血块退缩试验、部分凝血活酶时间、血浆凝血酶原时间、凝血酶时间
D. 血小板计数、BT、CT、毛细血管脆性试验、血小板因子3测定
E. 血小板计数、BT和CT、毛细血管脆性试验、简易凝血活酶生成试验(STGT)
[单项选择]2000-2002年美国回顾性分析的10176例哮喘患儿,证实雾化吸入布地奈德较其他其他非雾化的吸入糖皮质激素治疗,再次急诊或再入院治疗的风险下降()。
A. 29%
B. 53%
C. 62%
D. 52%
[判断题]安全工器具应通过国家级检测机构的型式试验,型式试验结果应符合国家和行业标准。
A.正确
B.错误
[判断题]检验检疫机构对代理报检单位实行备案登记制度。( )
[填空题]根据磨机的长径比分,∮3.2×3.1米球磨机属于()型球磨机。