热门试题:
[单项选择]在全社会大力弘扬社会主义荣辱观，是和谐文化建设的（）。
A. 根本基础
B. 既定方针
C. 基本任务
D. 唯一出路
[单选题]超限货物装车后，确认符合确认电报条件，应用颜色醒目的油漆标画易于判定货物是否移动的( )。
A.中心线
B.检查线
C.标记
D.十字线
[填空题]There is a difference between science and technology. Science is a method of answering theoretical (31) ; technology is a method of (32) practical problems (and sometimes creating new problems out of
the "solutions"). Science has to do with discovering the facts and relationships (33) observable phenomena in nature and with establishing theories that serve to organize (34) facts and relationships; technology has to do (35) tools, techniques, and procedures for implementing the findings of science. Another distinction between science (36) technology has to do with the progress in each.
Progress (37) science excludes the human factor. And this is justly so. Scientists, (38) seek to comprehend the universe and know the truth within the highest degree of accuracy and certainty cannot pay attention to their own or other people’s likes or (39) or to popular ideas about the fitness of things. What scie
[判断题]灭火器的底圈或颈圈等部分，应有该灭火器的出厂试验压力值、出厂年份的钢印。（ ）
A.正确
B.错误
[单项选择]最近，英国科学家发现了人类记忆力衰退的原因，这个原因是( )。
A. 神经细胞恢复机能时间延长
B. 智力衰退
C. 脑血管老化
D. 脑细胞减少
[不定项选择题]共用题干
ADHD Linked to AIF Pollutants
Children have an increased of attention problems,seen asearly as grade school,if their no-ses inhaled（吸入）a certain type of air pollution when they were pre, ant.That,5 the finding ofa new study.Released when things aren't burned completely,this pollution 15 known as polycyclic aromatic hydrocarbons,or PAHs.Tlle higgest sources of these PAHs:the bunling of fossil fuels, wood and trash.
Frederica Perera works at Columbia University,5 Mailman School of Public Health in New York City.She researclies how exposure to things in the environment affects children,5 health.In a new study,she and her team studied the exposure to air pollution of 233 nonsmokingpre,ant women in New York City.Because burning tobacco can spew（排放）PAHs into the air and lungs, Perera,5 team focused on nonsmokers.The researchers wanted to probe（探查）other sources of PA Hs,ones that,5 would have been hard for an individual to avoid.
The team started by testing the blood of each woman during pregnancy.The reason:Any PA H 5 in a woman's blood would also be available to the baby in her womb．Nine years later,the researchers investigated signs of attention problems in those children,now age 9 .They asked each child’s mother a series of questions.These included whatever her child had prohlems doing things that needed sustained（长期的）mental effort,such as homework or games with friends.The sci-entists also asked if the kids had trouble following instructions or made frequent,careless mis-takes.All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Disorder, or ADH
D.About one in U.5.children has ADH
D.
Among the women studied,traffic and home heating were the primary sources of air pollution exposure,Pereraand her team suspect.Some of these women had low levels of PAHs in their blood.others had high levels.Those with high levels were five times as likely to have children who showed attention problems by age 9 .The new findings were published November 5 in the journal PLOS ON
E.
The women with high levels of PAHs in their blood were more likely to have kids with ADH
D.
A.Right
B.Wrong
C.Not mentioned
[单选题]能实现有效气体交换的通气量为
A.肺活量
B.时间肺活量
C.每分通气量
D.肺总量
E.肺泡通气量
[单选题]用来发现质量不合格、故障、顾客抱怨、退货、维修等问题的排列图是（ ）。
A.分析现象用排列图
B.分析原因用排列图
C.分析过程用排列图
D.分析结果用排列图
[单选题]16087.王某,从上午9时30分开始输液,共输入1000ml,开始为50滴/min,1个半小时后改为60滴/min,何时可以输完
A..下午1时55分
B..下午2时15分
C..下午2时55分
D..下午2时25分
E..下午3时5分
[判断题]战勤保障大队消防通用安全绳储备数量为20根。
[单项选择]道岔融雪设备在正常的试验环境下用500V兆欧表测试，电加热元件中心电热材料与金属外壳间绝缘电阻不应小于（）Ω。
A. 20
B. 25
C. 30
D. 35
[单项选择]It was in that small village ______ our president was born.
A. which
B. when
C. that
D. as
[填空题]套筒挤压连接连接方法一般用于直径范围为（ ）mm的Ⅱ级、Ⅲ级钢筋（ ）,分径向挤压和轴向挤压两种。
[判断题]公共配套事务管理最重要的是公共配套设施的权属管理。
[单选题]430单台储气罐容积为（ ）m3
A.20
B.30
C.40
D.50
[单选题]超声波是指声波频率高于多少的声波（ ）
A.200Hz
B.2 000Hz
C.20 000kHz
D.20 000Hz
E.200 000kHz
[单选题]患者男,26 岁。因肺炎球菌肺炎入院,护士在回答此病的病理分期时,错误的是( )
A. 充血期
B. 红色肝变期
C. 灰色肝变期
D. 消散期
E. 溃疡期
[单选题]执法人员在调查或检查时,不得少于()人。
A.2
B.3
C.4
D.5
[多选题]倒闸操作前，应核对（ ）。
A.线路走向
B.设备双重名称
C.设备状态
D.线路名称
[判断题]当发现有员工苯中毒后,应马上对其进行人工呼吸。( )
A.正确
B.错误
[多项选择]“坐地日行八万里，巡天遥看一千河。”这一句诗表明（）
A. 坐在地上的人是绝对静止的
B. 坐在地上的人相对地球以外的其它星体是运动的
C. 人在地球上的静止是相对的，运动是绝对的
D. 地球既在绕太阳公转又在自转
[单选题]经PICC、CVC、PORT输注药物前宜通过( )确定导管在静脉内
A. 输入生理盐水
B.输入少量药物
C.输入10%葡萄糖
D.回抽血液
E.推注50%葡萄糖
[单选题]下列原则中，属于民事诉讼应当遵循的基本原则的是：
A.不告不理原则
B.调解优先原则
C.审判独立原则
D.诚实信用原则
[单项选择]在基于用例的面向对象分析过程中，定义交互行为的关键在于通过描述分析类实例之间的（）将用例的职责分配到分析类中。
A. 消息传递
B. 关联关系
C. 继承关系
D. 上下文关系
[单项选择] Picnic in the Dining-Room
"We shall be having a picnic tomorrow afternoon," said my hostess, Mrs. Brown. "It will be quite simple and we shan’’t make any fuss. I think an afternoon in fife open air will do us good, don’’t you Would you like to come with us "
I had already made an appointment with the hairdresser but I weakly agreed to cancel it. Mrs. Brown smiled graciously.
"I shall be making some cakes this afternoon," she explained, "so I shan’’t have any free time. I wonder whether you would mind doing some shopping for me during your lunch hour, that is, if you can fit it in."
She handed me a typewritten list made up of twenty-four separate items, from shrimps to sugared almonds, including an order for a chicken, four sliced loaves, a half-litre of fresh cream and some Camembert, all to be delivered at the house before five o’’ clock. That still left me with plenty to carry myself, and it seemed that if only I could manage t
A. Y
B. N
C. NG
[单项选择]糖尿病病人的手术，下列哪项不恰当
A. 手术应在当日尽早进行，缩短术前禁食时间
B. 改善营养状况
C. 纠正水、电解质代谢失调和酸中毒
D. 施行有感染可能的手术，术前预防应用抗生素
E. 应用胰岛素，使病人血糖稳定于正常水平
[判断题]当环境温度低于-5°C时不宜进行室外施工作业。()(1.0分)
A.正确
B.错误
[判断题]车辆修复后，线路驾驶员应及时向线路调度员和车队管理人员报告，等待发车指令。（）
[单选题]-B-001 4 2 3
改变通入三相异步电动机定子绕组的三相电源的相序,便可改变旋转磁场的旋转方向,从而可改变电动机的()。
A.功率
B.转向
C.相序
D.转速
[T/]
[单选题]在隧道内施工，照明电源电压不应大于（）。
A.36V
B.24V
C.12V
D.6V
[单选题]工作期间,工作负责人若因故暂时离开工作现场时,应指定()临时代替,离开前应将工作现场交待清楚,并告知工作班成员。
A.班长
B.一名工作班成员
C.能胜任的人员
[判断题]监察机关对涉嫌违法的公职人员进行调查,可以由一名工作人员进行。()
A.正确
B.错误
[判断题]反应底物TMB在2-8℃容易结晶，使用前放置在室温下恢复温度，使用前要摇匀。
[判断题]当电网频率下降时，家中电风扇的转速会变慢。
A.正确
B.错误
[单选题]棚车车辆捆绑中，当脱轨车辆属有中梁棚车时，当车辆损坏严重时，可采取轴头与转向架构架和构架与（ ）间捆绑。
A.枕梁
B.中梁
C.牵引梁
D.端梁
[判断题]纳入统一建设的生产技改项目（包括购置类、应急类）、政府或外部单位出资委托实施的迁改项目属于基建项目。
A.正确
B.错误
