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[单项选择]共析钢中的碳含量为()
A. 0.0218~0.77%
B. 0.77%
C. 0.77~2.11%
D. 6.67%

热门试题:

[单选题][单选题]对于HZ-24型终端电缆盒端子编号,下列说法中正确的是( )。
A. 从基础开始,逆时针方向依次编号
B. 从基础开始,顺时针方向向依次编号
C. 从引线入口开始,顺时针方向依次编号
D. 从引线入口开始,逆时针方向依次编号
[单选题]根据财税[2015]101号文件的规定,个人从公开发行和转让市场取得的上市公司股票,持股期限()的,股息红利所得暂减按50%计入应纳税所得额。
A.超过1年
B.在1个月以内(含1个月)
C.在1个月以上至1年(含1年)
D.在6个月以上至1年(含1年)
[单选题]20.热水袋的保存方法是
A.袋内储存1/4的水,防粘连
B.将水倒出晾干
C.将水倒出后平放
D.将水倒出后旋紧塞子倒挂
E.倒挂、晾干后吹气旋紧塞子
[判断题]期货交易所的所得收益可以分配给会员,以作为会员的投资回报。()
[判断题]( )餐饮经营中的食品验收通常采用下列两种基本验收方法:一是按实物验收;二是按发票验收。
A.正确
B.错误
[多选题]细水喷雾灭火系统由水源、( )火灾自动报警及联动控制系统等组成。
A.供水装置
B.系统管网
C.控水阀组
D.细水雾喷头
E.气压维持装置
[单项选择]治疗昏迷阳闭的急救方为()。
A. 独参汤
B. 安宫牛黄丸
C. 参附汤
D. 生脉散
E. 苏合香丸
[单选题]对肌阵挛发作有较好疗效的药物是( )
A.卡马西平
B.地西泮
C.苯妥英钠
D.硝西泮
E.乙琥胺
[多选题]车辆应有识别的标记:( )、定期修理的日期及处所、自重、载重、容积、换长等。
A.路徽
B.车型
C.车号
D.制造厂名及日期
[单项选择]患儿,女,9个月。突然发生四肢的抽动,持续2分钟,人工喂养,未加辅食,体格检查:体温37.2℃,颈软,前囟2cm×2cm,枕部按压有乒乓感,有"枕秃"现象,神经系统检查未见异常。护士对家长做健康教育时,不正确的是()
A. 经常隔着玻璃窗晒太阳
B. 按时服用鱼肝油制剂
C. 添加辅食的原则与方法
D. 讲解惊厥处理的方法
E. 止痉药物的使用
[单选题]
运行单位应在新保护装置投运一年内进行第一次定期检验,检验后或投入运行期满一年以后,保护装置因安装调试不良发生不正确动作或事故时,责任归属定为:( )
A. 基建部门;
B. 调度部门;
C. 运行部门;
D. 检修部门;
[判断题](1.0分)供应商评价采取动态评价、静态评价相结合的方式
A.正确
B.错误
[单项选择]手提式贮压干粉灭火器按下压把,将喷管对准火焰根部横扫,()前推。
A. 垂直
B. 弯曲
C. 遗风
D. 平行
[判断题]辅警履职期间,侵犯公民、法人或者其他组织合法权益的,由公安机关依照国家赔偿有关规定予以赔偿。( )
A.正确
B.错误
[单项选择]Who is Dr. Seuss
While many children and adults have enjoyed books by Dr. Seuss, very few actually know anything about Dr. Seuss himself.
Dr. Seuss was born in 1904 and was given the name Theodor Seuss Geisel. He grew up in Springfield, Massachusetts and left town as a young man to attend Dartmouth College in New Hampshire. In college, he wrote for the school newspaper. Geisel created the name Dr. Seuss, a penname he would continue to write under for the rest of his life. Seuss first entered college with the idea that he would become a professor, but a classmate who saw him sketching thought he should become an artist. He soon pursued his passion for drawing. After college, he got a job working as a cartoonist for a newspaper. However. once the United States became involved in World War II, Seuss wanted to use his talent to help in the war effort. He worked for the Army making different types of war movies and animated films that were used to train soldiers. Publishers who sa
A. Right
B. Wrong
C. Not mentioned
[判断题]物流目标市场选择就是通过本企业的产品在消费者或用户心目中的形象认识,确定其在市场上的地位。
[单选题]5″钻杆外径127mm,内径108.6mm,排替量3.4l/m,内容积9.26l/m,95/8″套管外径244.5mm,内径222.4mm,内容积39.55l/m,钻井液密度1.5g/cm3,允许压降0.52MPa,钻头水眼畅通,钻具最大上提长度为( )m。
A.375.73
B.35.33
C.411.07
D.314.82
[单选题]脱氧核糖核苷酸的生成方式主要是
A.直接由核糖还原
B.由核苷还原
C.由一磷酸核苷还原
D.由二磷酸核苷还原
E.由三磷酸核苷还原
[判断题]非生产高处作业,打扫卫生、贴刷标语、擦玻璃等需要登高时,可不按高处作业要求系安全带。()
A.正确
B.错误
[填空题]车站(线路所)行车室、调度所配置的钟表时间,统一以<--NRC-->为准,有关人员每周一进行一次时钟校对。
[单选题]自动闭塞区段车站超长列车头部越过发车进路信号机发车时,行车凭证为绿色许可证,列车到达( )信号机按其显示的要求执行。(技规)
A.次一
B.通过
C.出站
[判断题]对私接窃热的价值认定,按整个采暖期计算其窃热价值?
A.正确
B.错误
[单选题]弗洛伊德的人格结构理论中的“超我”代表的是( )
A.良心,社会道德观念
B.人的本能欲望
C.现实的要求
D.内心的冲突
[单选题]治疗髋部扭伤,除阿是穴外,宜选用
A.申脉、丘墟、解溪
B.膝眼、梁丘、膝阳关
C.曲池、小海、天井
D.阳溪、阳池、阳谷
E.环跳、秩边、居髎
[多选题]党内监督必须把纪律挺在前面,运用监督执纪“四种形 态”,()。
A.经常开展批评和自我批评、约谈函询,让“红红脸、出出 汗”成为常态
B.党纪轻处分、组织调整成为违纪处理的大多数
C.党纪重处分、重大职务调整的成为少数
D.严重违纪涉嫌违法立案审查的成为极少数
[判断题]线切割加工中的工件表面粗糙度通常用轮廓算术平均值偏差 Ra 值表示。( )
A.正确
B.错误
[单选题]患者女,66岁。高血压病史多年。曾多次发生短时间肢体麻木或眩晕,持续几分钟后恢复正常,发作时曾有跌倒现象。目前最重要的护理措施是 ( )
A.给予低脂.低盐.低胆固醇饮食
B.向患者讲解疾病相关知识
C.安抚患者情绪
D.指导患者配合,进行有效安全防护
E.嘱患者戒烟限酒
[不定项选择题]共用题干 Giant Structures

It is an impossible task to select the most amazing wonders of the modern world since every year more
________ (51)constructions appear. Here are three giant structures which are worthy of our admiration
_______(52)they may have been surpassed by some more recent wonders.
The Petronas Towers
The Petronas Towers were the tallest buildings in the world when they were
completed in 1999.
________(53)a height of 452 metres,the tall twin towers,like two thin pencils,
dominate the city of Kuala Lumpur. At the 41 st floor,the towers are_________(54)by a bridge,symboli-
zing a gateway to the city.The American architect Cesar Pelli designed the skyscrapers.Constructed of high-
strength concrete,the building_______(55)around 1,800 square metres of office space on every floor.
And it has a shopping centre and a concert hall at the base.Other_(56)of this impressive building
include double-decker lifts,and glass and steel sunshades.
The Millau Bridge
The Millau Bridge was opened in 2004 in the Tarn Valley,in southern France.At
the ________ (57)it was built,it was the world'S highest bridge,_________(58)over 340m at the
highest point.The bridge is described as one of the most amazingly beautiful bridges in the world.It was built
to _________ ( 59 ) Millau ' s congestion(拥堵)problems. The bridge was built to withstand the
________(60)extreme seismic(地震的)and climatic conditions. Besides,it is guaranteed for 120 years!
The Itaipu Dam
The Itaipu hydroelectric power plant is one of the largest constructions of its kind in
the world. It
_________(61)of a series of dams across the River Parana,_________(62)forms a natural
border between Brazil and Paraguay.Started in 1975 and taking 16 years to complete,the construction was
carried out as a joint project between the two________(63).The dam is well-known for both its electricity
output and its size.In 1995 it produced 78% of Paraguay’s and 25% of Brazil’s_________(64)needs.
In its construction,the amount of iron and steel used was equivalent to over 300 Eiffel Towers.It is a
________(65)amazing wonder of engineering. _________(60)
A.much
B.more
C.less
D.most
[判断题]消防员避火防护服是消防员进入火场,短时间穿越火区或短时间在火焰区进行灭火战斗和抢险救援时为保护自身免遭火焰和强辐射热的伤害而穿着的防护服装。( )
A.正确
B.错误
[多选题]新架设绝缘导线施⼯()
A.牵引绞⻋必 须可靠接 地。
B.绝缘线端⼝ ⽤⾃粘性⾼ 压胶带包 封。
C.绝缘线放线到位 后,作业⼈员穿 绝缘靴,先剥除 端⼝绝缘层,将 芯线接地,然后 才能断线。
D.制作绝缘线终 端、紧线、搭 接导线时,必 须保持另⼀ 端在可靠的接 地状态下进 ⾏。
[单选题]如无法在短期内做出鉴别又急需尽快缓解呼吸困难可选用
A.吗啡
B.氨茶碱
C.泼尼松
D.痰液稀释剂
E.止咳糖浆
[多选题]()类库的金库门防护等级应达到GB37481―2019中规定的B及以上要求。
A.一
B.二
C.三
D.四
[判断题]管型避雷器由产气管、内部间隙和外部间隙三部分组成。()
A.正确
B.错误
[单选题]呼吸性细支气管( ) 易
A.相邻肺泡间的结缔组织
B.多个肺泡的共同开口处
C.肺内结缔组织、血管、淋巴管和神经等
D.不属于肺呼吸部的结构
E.管壁上开始出现肺泡,上皮为单层柱状或单层立方上皮
[判断题]较大规模的变电站集中检修、技改工作到岗人员要开展督导检查。( )
A.正确
B.错误
[填空题]对道岔的结构及联结零件巡视_不少于一遍。
[单选题]B-A-A-001 3 2 3
铁路信号机应采用色灯信号机,色灯信号机应采用高柱信号机,但( )可采用矮型信号机。
A.进站信号机
B.不办理通过列车的到发线上的出站信号机
C.通过信号机
D.发车进路信号机
[单选题]在查看测控装置接入的相关信息时,不需要准备的图纸资料是(_)。
A.装置白图
B.测控屏内端子排图
C.测控屏原理图
D.屏位布置图

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