热门试题:
[单项选择]航空运输液体类货物的包装材料中，不论瓶装、罐装或桶装，容器内至少有（）的空隙。
A. 5%～10%
B. 5%～15%
C. 10%～15%
D. 5%～20%
[单选题]企业应建立由( )牵头的风险分级管控组织机构,应建立能够保障风险分级管控体系全过程有效运行的管理制度。
A.法人代表
B.安全总监
C.主要负责人
D.实际控制人
[单项选择]证券市场线表明，在市场均衡条件下，证券(或组合)的收益由两部分组成，一部分是无风险受益，另一部分是( )。
A. 对总风险的补偿
B. 对放弃即期消费的补偿
C. 对系统风险的补偿
D. 对非系统风险的补偿
[单选题] 关于子宫的正确说法是
A. 为腹膜外位器官
B. 位于膀胱和直肠之间
C. 外形可分为子宫体和子宫颈
D. 呈前倾后曲位
[填空题]Access数据库的核心是______。
[单选题]单选具体作业面区域在高空(绳索)救援安全管控的()段?
A.前
B.中
C.后
D.终
[单选题] 带电作业工具应定期进行机械试验,其试验周期为:( )。
A. 绝缘工具每年半次,金属工具两年半次
B. 绝缘工具每年半次,金属工具两年一次
C. 绝缘工具每年一次,金属工具两年半次
D. 绝缘工具每年一次,金属工具两年一次
[单选题]高锰钢整铸辙叉心垂直裂纹，两条裂纹相加长度在断面宽50mm及以下超过（）mm为重伤。
A.40
B.50
C.60
D.80
[单选题]《地名管理条例》第十一条规定，_____应责成有关部门在必要的地方设置地名标志。( )
A.民政部门
B.地方人民政府
C.地名主管部门
D.中国地名委员会
[单项选择]Every profession or trade, every art, and every science has its technical vocabulary. Different occupations, however, differ widely in the character of their special vocabularies. In trades and handicrafts, and other vocations, like farming and fishery, that have occupied great numbers of men from remote times, the technical vocabulary, is very old. It consists largely of native words, or of borrowed words that have worked themselves into the very fibre of our language. Hence, though highly technical in many particulars, these vocabularies are more familiar in sound, and more generally understood, than most other technicalities. The special dialects of law, medicine, divinity, and philosophy have also, in their older strata, become pretty familiar to cultivated persons and have contributed much to the popular vocabulary. Yet every vocation still possesses a large body of technical terms that remain essentially foreign, even to educated speech. And the proportion has been much increased
A. a linguist
B. an essayist
C. a scientist
D. an attorney
[填空题]无缝、冷拔、圆形截面的其他合金钢地质钻管，管的外径为40mm，内径为25mm
[单选题]某企业为增值税一般纳税人，2019年应交的各种税金为:增值税420万元，消费税180万元，城市维护建设税55万元，房产税10万元，车船税5万元，印花.税1万元，个人所得税150万元。上述各项税金中应计入税金及附加的金额为()万元。
A.821
B.251
C.671
D.656:
[填空题]
Education Issues
Sara I’m a teacher of French and Spanish, and I think foreign languages are one of the areas where it’s good to be creative. Young people need to learn foreign languages by sp
(66) them and doing fun activities like role-plays instead of just doing written exercises. Of course there is some hard work in learning a language, like trying to remember all those tenses of v
(67) , but I think it’s a good idea to try to make classroom activities as enj
(68) as possible.
Nick I left school four years ago, and looking back, one thing I’d say about the education system is that there are too many ex
(69) . Instead of being able to enjoy learning about something, you’re always wo
(70) about when the next test is, what questions are going to be on it, and whether or not you’re going to p
(71) . I also think there should b
[单选题]纪律处理或者处分必须坚持( ),集体讨论决定,不允许任何个人或者少数人决定和批准。
A.民主集中制原则
B.少数服从多数
C.下级服从上级
D.领导决定
[单项选择]
A. actual
B. opening
C. middle
D. village
[填空题]Pronouncing a language is a skill. Every normal person is expert
with the skill of pronouncing his own language, but few people are even (1)
moderately proficient at pronouncing foreign languages. There are many
reasons this, some obvious, some perhaps not so obvious. But I suggest (2)
that the fundamental reason which people in general do not speak (3)
foreign languages very much better than they do are that they never (4)
fail grasp the true nature of the problem of learning to pronounce, (5)
and consequently never set to tackling it in the right way. Far (6)
too many people fail to realize that pronouncing a foreign language
is a skill-one needs careless training of a special kind, (7)
and one that cannot be acquired by just leaving it to take care of
itself
[判断题]如作业中断，再进入受限空间之前应重新进行气体检测。
A.正确
B.错误
[多项选择]国学是研究中华传统学术及其载体的学问，是对中华民族在物质文明和精神文明、政治文明和社会文明进程中所形成的具有永恒意义和普遍价值的（）的总结。
A. 思想体系
B. 文化观念
C. 精神追求
D. 学术方法
[判断题]SF6气瓶搬运时，应轻装轻卸。
A.正确
B.错误
[单选题]《北京铁路局客运音视频记录仪管理办法（试行）》规定：旅客人身伤害保存时间不少于（）年。
A.2
B.3
C.4
D.5
[填空题]营业厅一般配置3台烽火独立式协议转换器。一台用于营业厅的DCN接入业务，另一台8个时隙用于语音，其余时隙用于（）接入，第三台主要用于营业厅监控业务。
[单选题]高空作业指作业人员在离开地面()米以上作业。
A.1.0
B.2.0
C.5.0
D.10.0
[判断题]接车站收到路票后，应核对是否正确，并立即划“×”注销。
A.正确
B.错误
[多项选择]在内部进行职位公告时必须注意哪些问题（）。
A. 资格问题。在企业中所有经过试用期而成为长期雇员的人，都有资格申请任何公开的内部招聘职位
B. 职位的申请者向自己的主管经理保密自己正在申请某职位
C. 保证公开性。如果不公开内部晋升信息，在雇员中会很容易产生谣言，并造成误解，这两者相互交替复制，可能导致严重的后果
D. 时间安排。不同企业应根据不同的具体情况来确定到底留出多少时间，才能让所有的雇员都有机会对空缺的职位招聘做出反应
[单项选择]某双链DNA中已知一条链中A＝30%，G＝24%，其互补链的碱基组成是
A. T和C 46%
B. A和G 54%
C. A和G 46%
D. T和C 60%
E. T和C 54%
[单选题]三节拉梯不得超过（）人同时攀登。
A.1
B.2
C.3
D.4
[多选题]地质灾害自身严重性分级为哪几类？
A.极严重
B.严重
C.中等
D.轻微
[单项选择]A thermal camera is expected to detect deception by ______.
[单项选择]产品组合中所包含的产品项目的总数叫做产品组合的（）。
A. 宽度
B. 长度
C. 深度
D. 关联性
[单选题]联络线的施工组织由管辖线路行调负责。原则上施工负责人到所管辖线路的车站请点，车站向行调请点，行调在批准该项施工作业前，须向（ ）请点，经批准后，方可允许施工。
A.另一条线行调
B.值班主任
C.COCC
D.值班总调
[单选题]通常在未达到拥挤点的情况下，用户消费运输服务几乎不存在（ ）和排他性，这体现了运输产品的公共物品属性。
A.网络性
B.互补性
C.完整性
D.竞争性
[判断题]动物性中毒食品主要有两种;一是将天然含有有毒成分的动物或动物身体的某一部分当做食品,误食引起中毒反应;二是在一定条件下产生了大量的有毒成分的可食的动物性食品, 食用后引起中毒。( )
A.正确
B.错误
[单选题]玻璃体的主要成分是( )。
A.胶原纤维
B.血液
C.水
D.氯化钠
[判断题]人民警察判明有犯罪分子携带枪支、爆炸、剧毒等危险物品的紧急情形，经警告无效的，可以使用武器。
A.正确
B.错误
[单项选择]病例与对照的暴露资料均可在发病或死亡之前获得，暴露与疾病的先后顺序清楚，而且没有回忆偏倚；病例组与对照组可比性好，并且具有较高的检验效率。具有以上优点的病例对照研究是
A. 病例对照不匹配研究
B. 频数匹配病例对照研究
C. 个体匹配病例对照研究
D. 巢氏病例对照研究
E. 病例队列研究
