题目详情
题目详情:

[单项选择]所有金属和金属氧化物在空气中的状态是()
A. 都是颗粒物状态
B. 都是原子状态
C. 绝大多数是颗粒物状态,但是汞例外,是蒸气状态
D. 在金属冶炼车间中是蒸气状态
E. 只有金属氧化物才是颗粒物状态

热门试题:

[单选题]下列选项中,不是重点项目沟通汇报要求的是()
A.重点项目范围
B.重点项目文档管理
C.重点项目沟通汇报形式
D.重点项目周报制度
[单项选择]治疗慢性支气管炎痰浊阻肺证,应首选的方剂是()。
A. 三拗汤
B. 麻杏石甘汤
C. 二陈汤合三子养亲汤
D. 桑白皮汤
E. 小青龙汤
[单选题]pH偏酸性时,进行口腔护理的漱口液是( )
A.1%过氧化氢
B.生理盐水
C.0.02%呋喃西林
D.2%硼酸溶液
E.朵贝儿溶液
[单选题]基础客户及行业客户营销思维的转变不包括()
A.被动营销向主动营销转变
B.传统营销向系统化营销转变
C.单一营销向全员营销转变
D.寻找客户向培育客户转变
[单项选择]男性,36岁,煤矿工人,弯腰中被重物砸伤胸背部而致腰痛,活动受限,查体:腰1、2棘突间压痛,棘间距离加大,双下肢感觉运动好。该病人的最佳治疗方法是()
A. 卧床休息
B. 石膏床固定制动
C. 过伸复位术
D. 后路短节段椎弓根螺钉固定术
E. Steffee钢板固定术
[单选题]雨天、雪天、雾天、结冰路面行车,最高时速不能超过( )公里/小时
A.A.30
B.B.40
C.C.70
D.D.120
[单选题]固定式压力容器上只装一个安全阀时,安全阀的开启压力应( )压力容器的设计压力。
A.大于
B.小于
C.大于或等于
D.小于或等于
[单项选择]在Word文档中插入数学公式,在“插入”菜单中应选择的命令是“()”。
A. 符号
B. 图片
C. 文件
D. 对象
[判断题]佩带、使用枪支的人民警察应当符合《枪支管理法》的规定,政治可靠,工作负责,遵纪守法,身体健康,心理素质好,无酗酒习惯。
A.正确
B.错误
[判断题]从业人员有权对本单位安全生产工作中存在的问题提出批评、检举、控告。
A.正确
B.错误
[单选题]高空利用绳索、软梯、缓降器救人或者自救时,设置不少于()安全固定支点,且固定支点应受力于不同物体。
A.1
B.2
C.3
D.4
[判断题]机械冷藏车组应尽量挂于货物列车前部或后部。( )(《技规》第252条)
A.正确
B.错误
[单选题] 0041222(单选题).下列关于福克斯中控门锁的描述中,哪一项是正确的?()
A.左前门与右前门锁单元的主要区别在于左前门有锁芯位置开关
B.如果左前门车内拉手的上锁、开锁功能失效,则右前门内拉手的功能也一定会失效
C.如果遥控门锁有效,但用钥匙开锁、解锁无效,说明左前门锁位置
开关及线路可能有故障
D.左前车门模块故障可能会导致使用遥控器无法对其它门锁进行上锁、开锁操作
[单项选择]清炒方法正确的解释是:()。
A. 清炒就是口味清淡的烹调方法
B. 清炒就是色泽清淡的烹调方法
C. 清炒就是无调料只有主料的烹调方法
D. 清炒就是只有一种烹调原料时进行烹制、调味的方法
[判断题]一般情况下地壳运动一垂直运动为主,因此构造应力主要是垂直应力。(  )
A.正确
B.错误
[单项选择]胶带运输机安装时要求设备的同心度、同轴度及轴间隙安装符合规定,安装销轴时要清洁干净并()。
A. 涂油
B. 无油污
C. 无杂物
D. 无锈蚀
[单项选择]25岁的小伟,从职校退学后一直在酒吧工作,因受客人中吸毒人员的影响而染上毒瘾。小伟父母知道后十分着急,手足无措,向社会工作者求助。社会工作者第一次上门时,小伟正在家中自行戒毒,大热天裹着棉被仍然打哆嗦。此时社会工作者为了与小伟建立专业关系,合适的做法是( )。
A. 告诉小伟生理脱毒可能出现的感觉以及戒毒的相关资源
B. 与小伟谈论其兴趣爱好以转移他的注意力
C. 与小伟共同回顾其成长经历以找出成瘾原因
D. 了解小伟心中对父母的看法以强化家庭支持
[多项选择]质量手册是规定企业组织建立质量管理的文件,对企业质量体系做系统、完整和概要的描述。它的基本内容一般应包括( )。
A. 企业的质量方针和质量目标
B. 组织机构及质量职责
C. 体系要素或基本控制程序
D. 质量手册的发行数量
E. 质量手册的评审、修改和控制的管理方法
[简答题]简述肉桂在来源、鉴别特征、化学成分及性味功效方面的特征。
[判断题]1齿轮传动是靠主动轮的轮齿与从动轮的轮齿直接啮合来传递运动和动力的。( )
A.正确
B.错误
[不定项选择题]共用题干 The Bilingual Brain
When Karl Kim immigrated to the United States from Korea as a teenager,he had a hard time learning English.Now he speaks it fluently, and he had a unique opportunity to see how our brains adapt to a second language.As a graduate student, Kim worked in the lab of Joy Hirsch, a neuroscientist in New York Their work led to an important discovery.They found evidence that children and adults don't use the same parts ofthe brain when they learn a second language.
The researchers used an instrument called an MRI(magnetic resonance imaging)scanner to study the brains of two groups of bilingual people.One group consisted of those who had learned a second language as children.The other consisted of people who,like Kim,learned their second language later in lite.Peoplefrom both groups were placed inside the MRI scanner ,This allowed Kim and Hirsch to see which parts of thebrain were getting more blood and were more active.They asked people from both groups to think about whatthey had done the day before ,first in one language and then the other.They couldn't speak out loudbecause any movement would disrupt(干扰)the scanning.
Kim and Hirsch looked specifically at two language centers in the brain-Broca' s area, which isbelieved to control speech production,and Wernicke's area,which is thought to process meaning.Kim andHirsch found that both groups of people used the same part of Wernicke's area no matter what language theywere speaking.But their use of Broca's area was different.
People who learned a second language as children used the same region in Broca's area for both tneir first and second languages.People who learned a second language later in life used a different part of Broca's area for their second language.How does Hirsch explain this difference?Hirsch believes that when language is first being programmed in young children,their brains may mix the sounds and structures of all languages in the same area.Once that programming is complete,the processing of a new language must be taken over by adifferent part of the brain.
A second possibility is simply that we may acquire languages differently as children than we do asadults.Hirsch thinks that mothers teach a baby to speak by using different methods involving touch,sound and sight.And that is very different from learning a language in a high school or college class. Which aspect of the two language centers in the brain does Paragraph 3 discuss?
A.Impact.
B.Function.
C.Location.
D.Size.
[单项选择]按国家版权局《出版文字作品报酬规定》,图书原创作品的版税率标准为()。
A. 2%~8%
B. 2%~9%
C. 3%~10%
D. 4%~12%
[判断题]行握手礼时一般应当遵守“尊者先伸手”的原则。 ( )
[单选题]光链路衰减测试使用的仪表是( )
A.A- 光源、光功率计
B.B-OTDR
C.C-三波长光功率计
D.D-红光源
[单项选择]

The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question. Answer all questions following the passage on the basis of what is stated or implied in the passage.
James Joyce revolutionized the novel, the short story, and modern literature as we know it. He was born in Dublin, the first of 10 children in a Catholic family. His father was a civil servant whose poor financial judgment left the family impoverished for much of Joyce’s youth. Young James attended Dublin’s fine Jesuit schools, which gave him a firm grounding in theology and classical languages--subjects that appeared repeatedly in his later work. The story of his early life and his intellectual rebellion against Catholicism and Irish nationalism are told in the largely autobiographical novel A Portrait of the Artist as a Young Man.
In 1902, at the age of 20, Joyce left Dublin to spend the
A. 1880
B. 1882
C. 1885
D. 1902
E. 1914

[多项选择]采用重点抽查法审查施工图预算,审查重点有( )。
A. 编制依据
B. 工程量大或造价高、结构复杂的工程预算
C. 补充单位估价表
D. 各项费用的计取
E. “三材”用量
[单选题]实施有限空间作业设( )
A.专职安全员
B.现场责任人
C.现场负责人
D.现场监护人
[判断题]全国人民代表大会由省、自治区、直辖市、特别行政区和军队选出的代表组成。各少数民族都应当有适当名额的代表。
A.正确
B.错误
[判断题]作业人员应被告知其作业现场和工作岗位存在的安全风险、安全注意事项、事故防范措施及紧急处理措施。
A.正确
B.错误
[不定项选择题]A.与根管呈接近垂直角度,贯穿牙本质和牙骨质
A.根管在根尖分出的细小分支,根管仍存在
B.根管在根尖分散或2个或2个以上能分支,根管不存在
C.发自相邻根管间的交通支
D.发自髓室底至根分叉的管道
E.副根管( )
[单项选择]当空气中硫化氢浓度超过30mg/m3(20ppm)时,应使用正压式空气呼吸器,正压式空气呼吸器的有效供气时间应大于()min。
A. 10
B. 20
C. 30
[填空题]信访人可以持行政机关出具的投诉请求受理凭证到( )、( )查询其所提出的投诉请求的办理情况。
[判断题] 既往有高血压病史,近二周内在服降压药,血压控制在正常范围者可不纳入高血压患者健康管理。( )
A.正确
B.错误
[单选题]信息系统部署环境应满足系统安全运行要求。承建单位在生产环境部署的信息系统版本应与通过()安全测试的信息系统版本保持一致,禁止部署其他版本的信息系统。信息系统部署时应按设计要求同步完成与门户目录、统一权限、信息通信一体化调度运行支撑平台的接入集成。
A.A.第三方
B.B.开发单位
C.C.运维单位
D.D.承建单位
[单项选择]气瓶最高使用温度是60℃,高压液化气体是指临界温度()气瓶最高使用温度的气体,低压液化气体是指临界温度气瓶最高使用温度的气体。液化气体应按充装。
A. 低于,高于,满瓶充装
B. 低于,高于,充装系数
C. 高于,低于,满瓶充装
D. 高于,低于,充装系数
[简答题]道砟面与钢轨底面的距离应保持在 mm以上。
[单项选择]对于急性应激障碍进行心理干预下列说法错误的是()。
A. 首先要尽快脱离创伤情景
B. 应避免进一步的刺激和丧失
C. 应尽量避免讨论创伤性事件的经过,以免给患者造成进一步的刺激
D. 应教给患者创伤性事件的常见反应和应对方法
E. 亲人、朋友、同事的支持很重要

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