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题目详情:

[填空题]按冶炼浇注时脱氧剂与脱氧程度分,碳钢分为()、()、()和()。

热门试题:

[单项选择]根据天然气及液固体杂质密度不同进行分离的设备是()。
A. 混合式分离器
B. 旋风式分离器
C. 过滤分离器
D. 重力式分离器
[简答题]下列关于耕地占用税的规定正确的有
[单项选择]不能作为重载函数的调用的依据是
A. 参数个数
B. 参数类型
C. 函数类型
D. 函数名称
[判断题]《民法典》第六百八十九条规定,保证人可以要求债务人提供反担保。( )
A.正确
B.错误
[多项选择]确定评估基准日的目的是()。
A. 确定评估对象计价的时间
B. 确定评估有效期
C. 将动态下的企业资产固定为某一时点
D. 将动态下的企业资产固定为某一时期
[单项选择]一名32岁男性心脏手术后出现发热、菌血症和肾衰,术后1O天出现左口角节律性抽动,伴有左拇指抽动,抽动持续长达24小时。意识清楚,可以执行指令,无斜视。CT可见右侧额叶后部有一个小出血性梗死灶,请选择癫痫发作类型()。
A. 全面性强直—阵挛发作
B. 强直-阵挛性癫痫持续状态
C. 复杂部分性发作
D. 部分性癫痫持续状态
E. Jackson癫痫
[多项选择]HIV病毒可以感染的人体细胞有()
A. T淋巴细胞
B. B淋巴细胞
C. 巨噬细胞
D. 树突状细胞
[单选题]棘突最长的颈椎是
A.第1颈椎
B.第2颈椎
C.第4颈椎
D.第6颈椎
E.第7颈椎
[判断题]塞尺从自由端起,前部超差,允许剪去超差部分后继续使用。
[单选题]无值班员。()( )
A. 正确
B. 错误
[单选题] 在多人落水需要施救,应按“()”的顺序进行救援。( )
A. 先近后远,先水面后水下
B. 先远后近,先水面后水下
C. 先近后远,先水下后水面
D. 先远后近,先水下后水面
[单项选择]足骨性关节炎最常累及的关节是()
A. 跖骨间关节
B. 趾骨间关节
C. 第一跖趾关节
D. 跗跖关节
E. 距舟关节
[单选题]温度应力式无缝线路的温度应力是靠()来解决的。
A.自动放散
B.定期放散
C.轨道框架
D.轨道的框架和道床阻力
[判断题]插入式基础施工时,对主角钢顶面或操平印记进行水平测量,若误差超过规范要求,采取调整角钢底部螺杆的方法,保证水平不超差。
A.正确
B.错误
[单项选择]①对发展中国家和新兴市场国家尤其如此②很大原因是因为中国仍然保持着对资本流动的严格控制③作为一个发展中国家,中国之所以在过去这些年屡屡可以躲过金融危机的直接冲击④资本的自由流动,从来都是一把双刃剑⑤一个原因就是这些国家尚不成熟的金融体系碰上了具有高度流动性的国际资本⑥这个世界上几乎还没有哪个新兴市场国家逃脱过金融危机的魔爪对上述语句排序正确的一项是()。
A. ③②⑥⑤④①
B. ⑥①⑤④③②
C. ④①③②⑥⑤
D. ③②④①⑥⑤
[多项选择]企业的公共关系,策略分()个层次。
A. 公共关系宣传
B. 公共关系活动
C. 公共关系拉拢
D. 公共关系意识
[单项选择]
{{B}} Text{{/B}}
In common with many countries, Britain has serious environmental problems. In 1952, more than 4,000 people died in London because of the smog. The government {{U}} (26) {{/U}} new laws to stop smog from coal fires and factories and the {{U}} (27) {{/U}} improved a lot.
Today, London is much cleaner {{U}} (28) {{/U}} there is a new problem: smog from cars. In December 1991, there was very {{U}} (29) {{/U}} wind in London and pollution {{U}} (30) {{/U}} a lot, which led to 160 deaths in just four days.
{{U}} (31) {{/U}} of the problem is the new" out of town" shopping centers. In the past, people often {{U}} (32) {{/U}} to shops near their homes or went by bus. Today, many people drive to the new shopping centers. {{U}} (33) {{/U}}, the small shops have {{U}}
A. opposition
B. protest
C. objection
D. action
[名词解释]小三司
[单选题]绞磨在作业前应( ),确认安置稳固、运行正常、制动可靠后方可使用。
A.检查
B.试车
C.评估
D.检查和试车
E.略
[判断题]配电值班员和值班负责人应具有一定专业知识和实际工作经验,熟悉电气设备性能和供电系统情况,掌握操作技术,并有处理事故的能力。
A.正确
B.错误
[单项选择]0.5+[(2/3×3/8)÷4]-9/16=()。
A. 29/16
B. 19/16
C. 15/16
D. 0
[单项选择]男,76岁,戴全口义齿数周,由于疼痛来院复诊,检查:全口义齿固位良好,患者无法准确指出疼痛部位,口腔粘膜未见明显压痛点。最有可能造成疼痛的原因是
A. 牙槽骨骨尖
B. 咬合有早接触
C. 义齿的印模不准确
D. 义齿基托边缘过长
E. 垂直距离偏低
[不定项选择题]共用题干 Across the Desert
The Sahara Desert is the largest desert in the world. It stretches across Africa from Senegal to
Egypt. The Sahara Desert is an unfriendly environment. During the day it's very hot,and at night it's sometimes very cold.It is also difficult to find water in the Sahara.
In 2006,Kevin Lin,Ray Zahab and Charlie Engle decided to do something very difficult. They made the decision to run across the Sahara Desert-4,300 miles(6,920 km).It seemed impossible to do,but they wanted to try.The three men liked to test themselves,and this would be a very big test.
On the morning of November 2,Kevin,Ray and Charlie started their trip across the Sahara.
Every morning they began running at 5:00 .At 11 a. m.,they stopped and rested until 5 p.m. Then they ran again until 9:30 in the evening. Each day they ran about 40 miles(64 km). Every day it was the same thing. They got up and ran. They listened to music on their iPods,and they ran and ran.
Kevin,Ray,and Charlie needed to eat a lot of food during their trip.Most people need a-bout2,000 calories of food each day.Kevin,Ray,and Charlie needed between6,000 and 9,000 calories every day.That's a lot of food!They also needed to drink a lot of water.
The three men had some problems on their trip,and many times they wanted to quit and go home .It was often very hot(1 40°F/60℃)during the day,and the heat made them sick.Their legs and feet hurt.Sometimes it was very windy,and they couldn't see.One time they got lost. But they didn't quit.After 111 days,Kevin,Ray,and Charlie successfully finished their trip across the Sahara Desert.They hugged each other and put their hands in the water of the Red Sea.Then they ran to a hotel to take a long shower. What does"a very big test"in Paragraph 2 mean?
A.A competitive examination.
B.A wise decision.
C.A real challenge.
D.A time-saving task.
[多项选择]机电产品国际招标采用综合评价法进行评标的,其综合评价法方案应当由( )等组成,并作为招标文件必要组成部分对投标人公开。
A. 评价内容
B. 评价范围
C. 评价标准
D. 评价程序
E. 定标原则
[填空题]
The History of Rhinestones

A. Rhinestones have a glittering past. Originally rhinestones were referred to Czechoslovakian or Bohemian glass dating as far back as the 13th century in Bohemia and the Czech Republic. Both places have a history steeped in beautiful hand blown glass as well as molded and cut glass. By 1918 glass was no longer limited to functional items. Czechoslovakian glass began to make its appearance in dazzling and brilliant jewelry. This Czech glass became known as rhinestones. Rhinestones were manmade gems from highly refined glass. By using various metals the glass was colored to the desired shade. It was then pressed into molds. Each stone was then ground and polished by machine, resulting in a brilliant glass stone. Often the stones were foiled on the back which increased their brilliance.
B. Today, the same refining process is still used. You will often hear rhinestones referred to as paste. Originally past
[判断题](  )普通地区和经济特区的居民身份证,登记项目、填写内容相同,普通地区和民族自治地方的居民身份证颜色相同。
A.正确
B.错误
[判断题]岗位调整方面,员工近 3 年绩效等级积分累计达到4.5 分以上的,方可聘任更高 层级岗位、职务和职员职级。 ( )
A.正确
B.错误
[判断题]LKJ屏幕显示器与监控主机之间采用CAN总线标准。( )
A.正确
B.错误
[单选题]下列关于碳化焰的说法正确的是()。
A.火焰中乙炔过剩,含有游离碳和较多的氢。焊接低碳钢时焊缝会渗碳
B.火焰中无过剩乙炔和氧
C.火焰具有氧化性,过剩氧气会使熔池中合金元素烧损
[多项选择]一宗房地产的土地价值为40万元,建筑物价值为60万元,已抵押贷款45万元,作为某种目的的估价结果为55万元,则该估价目的可能是()。
A. 买卖
B. 抵押贷款
C. 拆迁补偿
D. 保险
E. 拍卖
[多选题]建筑工地噪声主要有以下()几种。
A.机械性噪声
B.施工人员叫喊声
C.空气动力性噪声
D.临街面的嘈杂声
E.电磁性噪声
[单选题]《技》对装载危险、易燃等货物的车辆编入列车的隔离限制规定,△1与乘坐旅客的车辆应(   )。
A.不隔离
B.隔离1辆
C.隔离2辆
D.隔离4辆
[单选题](单选题)下列有关异烟肼的说法不正确的是
A.注射用的异烟肼必须做成粉针剂
B.异烟肼可将硝酸银氧化
C.异烟肼易发生水解
D.异烟肼可在酸性条件下与铜离子起呈色反应
[单选题]在岩石边坡刚体极限平衡法稳定分析中,对指定的滑动面进行稳定验算的前提不包括( )。
A.把滑动体分为若干个竖向土体
B.把滑动面简化为圆弧、平面、折面
C.把岩体看做刚体
D.依据摩尔一库仑强度准则
[判断题](判断题)《工程开工 / 复工报审表》是用于承包单位向建设行政主管部门申请开工 / 复工的。
A.正确
B.错误
[单选题](2014年真题)项目监理机构批准工程延期的基本原则是( )。
A.项目监理机构对施工现场进行了详细考察和分析
B.延期事件发生在非关键线路上,且延长时间未超过总时差
C.工作延长的时间超过其总时差,且由承包单位自身引起
D.延期事件是由承包单位自身以外的原因造成
[判断题]脑卒中偏瘫患者的典型痉挛姿势足表现为足下垂和足外翻。
[判断题]浮选机叶轮转速不影响精矿的选别。( )
A.正确
B.错误

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