热门试题:
[多选题]急性梗阻性化脓性胆管炎的病理生理改变为
A.胆管内髙压
B.胆管内积脓
C.胆道出血
D.细菌和毒素进入体循环
[单项选择]在互联网环境中,网络舆论的形成变得较为复杂,但大致遵循()模式。
A. 新闻信息——舆论形成
B. 民间舆论——新闻报道
C. 产生话题——话题持续存活——形成网络舆论——网络舆论发展——网络舆论平息
D. 产生话题——形成网络舆论——网络舆论平息
[单项选择]T804型移动式镗缸机的最大镗孔长度时()mm
A. 370
B. 365
C. 385
D. 360
[多项选择]证券自营业务运作管理中()应当相互分离并由不同人员负责。
A. 投资品种的研究
B. 投资组合的制定和决策
C. 交易指令的执行
D. 会计核算
[单项选择]对于各向同性的均匀电介质,下列概念正确的是()
A. 电介质充满整个电场并且自由电荷的分布不发生变化时,电介质中的电场强度一定等于没有电介质时该点电场强度的1/εr倍
B. 电介质中的电场强度一定等于没有介质时该点电场强度的1/εr倍
C. 在电介质充满整个电场时,电介质中的电场强度一定等于没有电介质时该点电场强度的1/εr倍
D. 电介质中的电场强度一定等于没有介质时该点电场强度的εr倍
[单项选择]The basic flag of the United States is one of the world’s oldest national flags. Only the basic flags of Austria, Denmark, Great Britain, the Netherlands, Sweden, and Switzerland are older.
During the discovery and settlement of what is now the United States, the flags of various European nations were flown over the land, as symbols of possession. Later, in the Colonial and Revolutionary War periods, flags representing famous persons, places, and events were flown in the American Colonies.
The first official flag of the United States was created by Congress on June 14,1777. It consisted of 13 alternate red and white stripes and 13 white stars in a field of blue, representing the 13 colonies that had declared their independence in 1776. Congress adopted a new flag of 15 stars and 15 stripes in 1795, to give representation to the two new states admitted into the Union, Vermont and Kentucky.
By 1817, there were 20 states in the Union, and it became apparent that addin
A. supplied
B. stipulated
C. added
D. suggested
[填空题]()年2月,俄国的苏维埃政府刚刚建立就发表公告,宣布废除沙皇政府强加给中国的一切不平等条约,归还强行霸占的中国领土。
[判断题] 在限定空间内,可燃物的表面卷入燃烧的瞬变状态称为轰燃。( )
A.正确
B.错误
[单项选择]反常呼吸运动可见于()
A. 单根单处肋骨骨折
B. 单根多处肋骨骨折
C. 多根多处肋骨骨折
D. 血气胸
E. 胸壁软组织损伤
[单项选择]虽然某些防火建筑的主要部分都是由耐火材料建成,但却可能通过门厅和其它通道里的易燃材料使火势蔓延以至完全被摧毁。这些建设甚至可能由于金属梁、柱的坍倒而遭到严重的结构破坏。 这段话主要支持了这样一种论点,即某些防火建筑( )
A. 可能会遭到火的严重破坏
B. 拥有特殊结构的走廊和门厅
C. 很容易着火
D. 对建筑物内各种设施的保护不如一般建筑
[单项选择]设AND、OR和NOT分别表示按位与、按位或和按位求反运算,且X=10011011,Y= 01111010,Z:11101000,贝rJ(NOT(X)ANDY); (9) ,(YORNOT(Z)): (10) 。
A. 11111010
B. 01111111
C. 10000101
D. 00010111
[填空题]
The life of Albert Einstein is a model in many ways{{U}}
(31) {{/U}}both natural and political scientists.
First of all, he always employed the scientific method of{{U}} (32)
{{/U}}truth from facts. He firmly believed {{U}} (33) {{/U}}he put
it, that "there is nothing incomprehensible{{U}} (34) {{/U}}the
universe", and through painstaking work explained many of the phenomena thought
to be "incomprehensible" in his day. Einstein was also never afraid to{{U}}
(35) {{/U}}mistakes when facts{{U}} (36) {{/U}}his theories
wrong.
Second, Einstein’s contributions showed the great
importance of theoretical work to scientific effort. {{U}} (37) {{/U}}he
himself rarely worked in laboratories, the concepts he developed led{{U}}
(38) {{/U}}many of the scientific advances{{U}} (39)
{{/U}}have shaped modem technology.
Third, Einstein believed
very deeply that scientists must{{U}} (40) {{/U}}a moral and social
consciousness.
[单选题]40.5kV及以上少油断路器的泄漏电流测试高压引线应采用较大直径导线,且高压引线( ),以减小杂散电流对泄漏电流的影响。
A.做好屏蔽
B.悬空
C.尽量延长
D.尽量缩短
[判断题]1.492. 第492题 应使用压线鼻子压接二次电缆接地线。也可以将地线缠绕在接地铜牌上。
A.正确
B.错误
[不定项选择题]A.中极
A.关元
B.中脘
C.气海
D.膻中
E.位于上腹部,脐中上4寸,前正中线上的腧穴是( )
[多选题]反对奢靡之风,重在解决( )等问题。
A.铺张浪费
B.挥霍无度
C.骄奢淫逸
D.腐化堕落
[判断题]包装筒是筒身各处横截面形状完全一致的一种包装容器,是刚性包装的一种。包装材料强度较低,罐体抗变形能力弱。
[单选题][T]BC012 5 1 3
十字轴式刚性万向节的十字轴一般都是( )。
A.中空的
B.实心的
C.半空心的
D.十字型的
[多选题]横越线路和上道作业前应列队执行 ( )规定,必须落实 “一站、二看、三通过” 制度,严禁抢越线路。
A.手 比(左右指)
B.眼看 (左右看)
C.口呼
D.(上行无车、下行无车,可以上道或跨越)
[单项选择]Mrs White gave music lessons at a school. She had a good voice, (36) some of her high notes sounded like a door that (37) oiling. Mrs White knew her (38) well, and took every (39) she could find to practise these high notes. As she (40) a small house, she could not practise (41) disturbing the rest of the family. So she usually went for long walks (42) the country road. But (43) she heard a car or a person (44) along the road, she stopped practising. She did not want to be heard, (45) she was very shy.
One afternoon, a fast open car came up behind her so (46) and so fast that she did not hear it (47) it was only a few yards from her. She (48) some of her highest and (49) notes at that time. As the car passed, she saw an anxious (50) come over its driver’s face. He stopped his car suddenly, (51) out and began to examine all the tyres
A. as
B. since
C. wherever
D. whenever
[简答题]铁路数字调度通信网是由干线、——和——三级网络构成的。(1.00分)
[单项选择]血钙测定应采用何种抗凝剂 ()
A. 草酸钾
B. 草酸铵
C. 肝素
D. EDTANa2
E. 枸橼酸钠
[多选题]根据《国家电网有限公司基建安全管理规定》,下列关于省级单位基建安全管理目标说法正确的是()。
A.不发生四级及以上人身事件
B.不发生基建原因引起的二级及以上电网及设备事件
C.不发生有人员责任的较大火灾事故
D.不发生较大环境污染事件
[判断题]法院适用审判监督程序再审案件的,应当裁定中止执行原生效裁判
A.正确
B.错误
[单项选择]某外贸企业,2012年1月从国外进口一批化妆品,已知该批化妆品的关税完税价格为90万元,假定进口的化妆品适用的关税税率是20%,消费税税率是30%,该企业当月在进口环节应缴纳的消费税为()万元。
A. 38.57
B. 46.29
C. 32.4
D. 27
[单项选择]虚热型崩漏主要证候,以下哪项是错误的:
A. 经血非时突然而下
B. 量多势急
C. 色鲜红,质稠
D. 心烦潮热
E. 气短神疲
[判断题]安全生产的含义就是在生产过程中不出人身事故和设备事故。
[单选题]工地职工食堂要( )。
A.防火
B.防食物中毒
C.防蚊蝇
D.防偷盗
[多选题]玻璃破坏痕迹的证明作用有()。
A.证明受机械力作用方向
B.证明火势猛烈程度
C.证明起火部位
D.证明玻璃破坏的直接原因
E.证明火场温度
F.证明受机械力作用时间
[单选题]《游乐设施安全技术监察规程(试行)》规定:由乘客操作的电器开关应采用最高不大于()V的安全电压,如无法满足要求时必须采取必要的措施,以确保人身安全。
A.24;
B.36;
C.50;
D.52
[单项选择]大方县逐步提高低保标准,目的是要确保困难群众的()生活水平与全面小康相适应。
A. 基本
B. 小康
C. 基本小康
D. 富裕
[单选题]因施工作业等原因线路两侧临时摆放的轨料,应码放整齐,并进行必要的( )。
A.加固
B.测量
C.擦拭
D.清点
[判断题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定:发生人身伤害或突发疾病时,积极采取救助措施,按规定办理站车交接。必要时可请求在前方所在地有医疗条件的车站临时停车处理。
A.正确
B.错误
[单项选择]具备教学反思意识对教师有着非常重要的意义。下列有关其描述不正确的一项是()。
A. 有利于提高教师的学科专业知识水平
B. 有利于教师培训的理性化
C. 有利于教师教育的专业化发展
D. 有利于教师工作绩效的提高