热门试题:
[单选题]一级动火区,是指二级动火区以外的所有防火重点部位或场所以及禁止明火区。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]高速铁路圬工梁拱抹面质量要求抹面压实,裂纹、空响面积不超过( ),砂浆符合规定。
A.1%
B.2%
C.3%
D.4%
[单项选择] Some things we know about language
Many things about language are a mystery, and many will always remain so. But some things we do know.
First, we know that all human beings have a language of some sort. There is no race of men anywhere on earth so backward that it has no language, no set of speech sounds by which the people communicate with one mother. Furthermore, in historical times, there has never been a race of men without a language.
Second, there is no such thing as a primitive language. There are many people whose cultures are undeveloped, who are, as we say, uncivilized, but the languages they speak are not primitive. In all known 1anguages we can see complexities that must have been tens of thousands of years in developing.
This has not always been well understood; indeed, the direct contrary has often been stated. Popular ideas of the language of the American Indians will illustrate. Many people have supposed that the Indians comm
A. just as old as some well-known languages.
B. just as sophisticated as some well-known languages.
C. more developed than some well-known languages.
D. more complex than some well-known languages.
[单选题]某中间站采取车辆防溜措施不当,致使停留车辆越过警冲标,影响接车进路,接车人员未认真确认即开放进站信号接车。司机发现后立即停车,未发生相撞事故应定为一般( )事故。
A.A类
B.B类
C.C类
D.D类
[填空题]The hatred between the two families(date) ______ back to older generations.
[单选题]急性胰腺炎患者应禁用下列那种药物
A.生长抑素
B.哌替啶
C.吗啡
D.西米替丁
E.抑肽酶
[单选题]引气压力失效时,发动机防冰 活门
A.弹性保持关位
B.弹性保持开位
C.保持原位
[单选题]钢轨轨面波浪形磨耗谷深大于( )时,应进行打磨。
A.0.1mm
B.0.3mm
C.0.5mm
D.1.0mm
[填空题]备用的GPS单元在常时间没有上过电,第一次上电,需要约()钟的定位时间。
[单项选择]以下不属于电梯系统管理工作的主要内容是( )。
A. 将电梯维修保养工作委托给专业公司承担时,要认真审核承包方的专业技术水准和专业资格,认真监督合同的执行情况,定期对承包方的服务进行评价
B. 按照电梯管理需要配备专业电梯管理人员的规定,所有从事电梯管理的人员都要持有国家或地方有关管理部门认可的上岗资格证书
C. 电梯每年要由政府技术监督部门进行年检,获得年检合格证,才能继续使用
D. 常见电梯按用途分为乘客电梯、载货电梯和客货梯;按拖动方式分为直流电梯、交流电梯和液压电梯;按控制方式分为单机控制电梯、集选控制电梯等
[单选题]以下不属于普通休闲型夹克常用面料的是( )。
A.苎麻
B.牛仔
C.府绸
D.斜纹
[单选题]为保证设备安全可靠、延长设备使用寿命,AFC系统采用故障修、( )、预防修/计划修、大(中)修、设备更新改造相结合的方式进行设备维修保养。
A.A. 在线修
B.B. 线上修
C.C. 线下修
D.D. 离线修
[单选题]伤口包扎的目的不包括哪项( )
A.止血
B.止痛
C.固定夹板
D.避免再次污染
[单选题]独头巷道发生火灾,进行救援时的首选通风方法是( )
A.维持局部通风机原状
B.开启局部通风机
C.停止局部通风机
[单选题]中华人民共和国公民在年老、疾病或者丧失劳动能力的情况下,有从国家和社会获得物质帮助的权利。()
A.正确
B.错误
[填空题]大脑分为左右两个半球,额、枕、颞、顶四叶。额叶为运动区,主要支配_________;顶叶为皮质一般感觉区,主管对侧身体的_________和_________;颞叶为_________中枢所在地;枕叶位于半球后端,是_________中枢。
[多选题]使用绳索开展高空救援时应注意哪些安全事项?( )
A.要使用绳索装备对救援人员和被救人员进行保护,绳索救助系统应在额定荷载范围内。
B.设置不少于2处安全固定支点,且固定支点应受力于不同物体。
C.绳索架设在建(构)筑物转角处应使用墙角保护器或其他形式的护垫(具),受力点连接处及紧绷绳的弯角处严禁站人。
D.采用绳索下降技术进行自救时,要事前考虑到绳索长度能否达到预设的位置,绳索末端要与安全腰带进行固定。
[单项选择]设int x=7,则~X的值是( )。
A. -8
B. 7
C. -1
D. 1
[单选题]驾驶人反应时间与速度成正比增加,当车辆行驶速度从50 km/h增加1倍时,制动距离约为原来的( )。
A.A.1倍
B.B.2倍
C.C. 4倍
D.D. 8倍
[单选题]列车运行在( )区段,在发生铁路交通事故或危及行车安全等情况下,需要紧急呼叫列车调度员、车站值班员时,司机按下 CIR 设备“紧急呼叫”键使用“299”铁路紧急呼叫功能。
A.450M
B.GSM-R
C.450M和GSM-R
[单项选择]FIDIC施工合同条件规定,承包商完成工程并准备好竣工报告所需报送的资料后,应提前21天通知监理工程师准备竣工验收,监理工程师指示在该日期后( )天内的某日进行验收。
A. 7
B. 14
C. 28
D. 42
[简答题]引起慢性肾衰竭的疾病中以_____________最常见。除此以外,还有许多其他疾病也可引起慢性肾衰竭,它们共同的发病环节是_____________。
[单选题]不属于增加合成作战工作效率的是()?
A.打破警种壁垒
B.有效整合资源
C.实现技术共享
D.鼓励多开会
[单项选择]细胞外液高浓度葡萄糖通过细胞膜进入细胞内是属于
A. 单纯扩散
B. 载体易化扩散
C. 通道易化扩散
D. 主动转运
E. 入胞作用
[单项选择]关于"妊娠、分娩和产褥期(O00-O99)"分类要点正确的是()
A. 妊娠高血压综合征分类中原有高血压者和妊娠引起者没有区分
B. 临床上关于胎盘滞留不注明伴有出血,按假定为产后出血,与ICD-10编码中假定情况相反
C. 对于O81-O84操作性分娩情况,操作名称还需要做手术编码
D. O95是指明原因的妊娠、产间、产后、产褥期死亡,要以原因为主要编码,否则只能作为选择性附加编码
E. 并发于妊娠、分娩和产褥期微小的伴随疾病也应归类于此章
[多选题]关于序阻抗的说法正确的是:()
A.所谓元件的序阻抗,是指元件三相参数对称时,元件两端某一序的电压阵与通过该元件同一序电流的比值;
B.通ft正序电梳所产生的电压降中,不仅包含正序分量,还有可能负序或零序
分量;
C.电力系统每个元件的正、负、零序阻扰可能相同,也可能不同,视元件的结构而定;
D.元件的各序阻抗都相同。
[单项选择]
School and Einstein did not mix well. His teachers thought that he was stupid and that Einstein’s thoughts and words were jumbled(混乱的). His schoolwork was poor. Playing the violin was all he was good at as a child.
When he was ten, he met Dr. Max Talmy. Talmy talked with the boy and tried to help him. They discussed hooks and Einstein showed an interest in maths. He understood difficult problems and ideas. Inside this "stupid" boy was a genius.
Schoolwork never became easy for Einstein. He could not learn things by heart. Paying attention was hard for him. He even did not pass his first test to enter college.
Because of his learning problems, Einstein made few friends. He was shy in groups of people. Yet he overcome(克服)his shortcomings. He became a well-known scientist in the field of physics. He was one of the most important thinkers of the modern age.
Einstein could not learn things by heart because()
A. he was not able to use his head
B. he was not good at anything
C. he spent all his time to play the violin
D. he did not pay any attention to what he was not interested in
[单选题]消防舟艇驾驶员( )经过培训并取得相应岗位资格,无资格人员( )驾驶。
A.必须、不得
B.必须、可以
C.应当、不得
D.应当、可以
[填空题]有人值守的牵引变电所,准许值守人员单人在主控制室内进行()和高压室内分间外进行()操作。无人值守的牵引变电所,供电调度员应采取相关()进行处理。
[判断题]气候变暖的原因除了自然因素影响以外,主要是归因于人类活动,特别是与
人类活动中排放二氧化碳的程度密切相关
[单项选择]下面哪一条是零件不能干燥过度的最好理由?()
A. 过分干燥很费时间
B. 可能使显像剂的吸收能力降低
C. 可能使分辨力降低
D. 多余的显像济难于去除
[多选题]下列关于消防员避火防护服的维护保养要求,正确的是( )。
A.使用后可用干棉纱将消防员避火防护服表面烟垢和熏迹擦净,其它污垢可用软毛刷蘸中性洗涤剂刷洗,并用清水冲洗净。
B.可以用水浸泡或捶击。
C.镀金视窗应用软布擦拭干净,并覆盖一层PVC膜保护,以备再用。
D.应保存在干燥通风处,防止受潮和污染。
E.不能用水浸泡或捶击。
[填空题]囊括万殊,裁成一相”是唐代()论述书法的著名观点。
[多项选择]防火涂料按其组成材料和防火原理的不同分类,包括()。
A. 收缩型防火涂料
B. 膨胀型防火涂料
C. 非收缩型防火涂料
D. 非膨胀型防火涂料
[单项选择]妊娠期心脏病孕妇死亡的主要因素是()
A. 孕妇年龄大
B. 心衰与感染
C. 心脏病病程长
D. 产后哺乳致心衰
E. 第二产程中用力过度
[简答题]传输设备ZXMPS385的单板复位方式?
[判断题]铝芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆产品的型号为YJLV22。
A.正确
B.错误