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[单选题]强酸、碱洗消器( )分钟内开始清洗即可保证有效,避免灼伤,不留疤痕。确保化学喷溅事故不再发展成灾难
A.1
B.2
C.3
D.4

热门试题:

[多项选择]新生儿生理性黄疸的主要原因()
A. 胆红素生成过多
B. Y、Z蛋白不足
C. 肝酶系统发育不完善
D. 肠内β葡萄糖醛酸苷酶活性较高
E. 血清白蛋白含量低
[简答题]为什么说鱼、虾的营养价值高
[单选题]电流在导线中流动方向是来回交变的,并且电流的大小随方向的变化作( )性变化,这种电称为交流电。
A. 周期
B. 定期
C. 同期
D. 初期
[单项选择]1892年,世界上第一部《有限责任公司法》诞生在()
A. 美国
B. 英国
C. 法国
D. 德国
[判断题]公司解散时,应当依法组成清算组进行清算。清算组由董事会确定其人选;逾期不成立清算组进行清算的,债权人可以申请人民法院指定有关人员成立清算组。( )
[单项选择]The nurse was ______ caring for the sick and wounded in the war.


A. attributed to
B. dedicated to
C. seen to
D. attached to
[单项选择]胃脘痛的病位在
A. 脾
B. 胃
C. 肝
D. 胆
E. 肾
[简答题] Easter Easter is the most important festival in the Christian calendar. It is the commemoration of Jesus’’ death and his rising from the dead, also known as the resurrection. It comes at the end of Lent. The week leading up to it is called Holy Week. Palm Sunday is the first day of Holy Week and celebrates Jesus’’ arrival in Jerusalem riding on a donkey. Crowds of people came out of the city to greet him, throwing down palm branches on the road. Many churches give out small crosses made from palm leaves, as a reminder of Jesus’’ entrance into Jerusalem and his death on the cross. On Thursday Christians remember when Jesus ate the Passover meal with his disciples, breaking bread and drinking wine, which is now known as the Last Supper. Since then this meal has been symbolically re-enacted by many Christians as a way of drawing closer to God. This is called the Eucharist, which means ’’thanksgiving’’. It is a reminder that Jesus sacrificed his l
[单项选择]我国青光眼的最常见类型是:()
A. 原发性开角型青光眼
B. 原发性闭角型青光眼
C. 先天性青光眼
D. 炎症性青光眼
[单项选择]抗原必需具备的基本特性是______
A. 有免疫原性,无免疫反应性
B. 无免疫原性,有免疫反应性
C. 分子量大,化学结构复杂
D. 有免疫原性和免疫反应性
E. 异物性、复合性
[填空题]
Researchers who refuse to share data with others may (31) others to withhold results from them, (32) a study by health-policy analysts at Harvard Medical School.
The study found that young researchers, those who publish (33) , and investigators seeking patents are most likely to be (34) access to biomedical data. It also found that researchers who withhold data gain a (35) for this, and have more difficulty in (36) data from others.
The study was (37) by a research team led by sociologist Eric Campbell. The team surveyed 2,366 (38) selected scientists at 117 US medical schools. Overall, 12.5 percent said that they had been denied (39) to other academic investigators’ data, (40) article reprints, during the past three years. This (41) with findings by the team and other groups. But by examining the (42) of data withholding, the team identified those experiencing
[判断题]《铁路客运运价规则》(铁运〔1997〕102号)规定旅客票价里程,按旅客乘车的最短径路计算。
A.正确
B.错误
[多选题]陈某被公安机关错误行政拘留后想请求国家赔偿,其可以( )。
A.向公安机关提出赔偿请求
B.在申请行政复议时一并提出赔偿请求
C.在提起行政诉讼时一并提出赔偿请求
D.直接向该公安机关的上级机关提出赔偿请求
[填空题]

[听力原文]11-15
When Tom left school, he did not really know what he wanted to do. He first worked in an office, but he found that it was boring. There was also some trouble with his second job in a car factory. He then decided to work out of doors, and got a job as a gardener in a park.
Now he works much harder than he did in the office or in the factory, because his work is more varied. He works the hardest in autumn and winter, keeping the park tidy and preparing for spring and summer. In summer he can relax and he can feel proud that he has helped to make the park so beautiful Many people visit the park and he is always pleased when he hears them say how lovely it looks.

Where did Tom first work
He first worked().
[判断题]乘客使用渝畅行APP在成都乘坐地铁,出站时凭APP内当次行程金额领取定额纸质发票。
A.正确
B.错误
[填空题] In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words 【B1】 which we become acquainted in daily conversation, which we 【B2】, that is to say, from the 【B3】 of our own family and from our familiar associates, and 【B4】 we should know and use 【B5】 we could not read or write. They 【B6】 the common things of life, and are the stock in trade of all who 【B7】 the language. Such words may be called "popular", since they belong to the people 【B8】 and are not the exclusive 【B9】 of a limited class. On the other hand, our language 【B10】 a multitude of words that are comparatively 【B11】 used in ordinary conversation. Their meanings are known to every educated person, but there is little 【B12】 to use them at home or in the market-place. Our 【B13】 acquaintance with them comes not from our mother’’s 【B14】 or from the talk of our school-mates, 【B15】 from books that we read, lectures that we 【B16】, or the more
A. A.tips
B.mouth
C.lips
D.tongue

[判断题]对于严格磁化规范,连续法要将工件磁化到饱和状态。( )
A.正确
B.错误
[单项选择]下列各项对管理的基本职能的具体内容,表述有误的是( )。
A. 计划就是根据环境的需要和自身的特点,确定在一定时期内的目标,并通过计划的编制,协调各类资源以期顺利达到预期目标的过程
B. 领导是一项目的性非常强的行为,它的目的在于使人们为实现组织或群体的目标而努力
C. 所谓组织,就是监督各项活动,以保证它们按计划进行纠正各种重要的偏差的过程
D. 领导需要处理与人、与事、与实践的关系
[单项选择]In your project, you realize the importance of determining the start and finish dates for project activities. If the project start or end dates are not realistic, then the project may not be completed on time. This is done as part of ().
A. activity sequencing
B. activity duration estimating
C. schedule development
D. activity definition
[判断题]1952年,全国范围内参加互助组的农户达到50%。
A.正确
B.错误
[判断题]散射损耗是由于光纤的材料、形状、折射指数分布等的缺陷或不均匀,使光纤中传导的光散射而产生的损耗。
[单选题]创伤病人复苏时,出现致命三联征,不包括( )
A.休克
B.低体温
C.酸中毒
D.凝血功能障碍
[填空题]CDC-16道岔捣固车既可以捣固道岔也可以捣固( )。
[多项选择]利尿剂可用于治疗()
A. 高血压
B. 心绞痛
C. 心力衰竭
D. 肾功能不全
[单选题]刮刀头一般由( )锻造并经磨制和热处理淬硬而成。[1分]
A.A3钢
B.45钢
C.T12A
D.铸铁
[多项选择]一般在新的稳态值的上下规定一个范围,当被控变量进入这个范围并不再越出,就可以认为过度过程结束,这个范围一般是新的稳态值()
A. ±0.02
B. ±0.05
C. ±0.05或±0.1
D. ±0.02或0.1
[单选题]麻疹病毒形成的包涵体是
A.核内嗜酸性
B.核内嗜碱性
C.胞浆嗜酸性
D.胞浆嗜碱性
E.核内及胞浆嗜酸性
[多选题]下列有关混合操作的叙述正确的是
A.混合是指将两种或两种以上物料均匀混合的操作
B.混合操作室必须保持干燥
C.室内与相邻操作室呈负压
D.生产过程所有物料均应有标识,防止发生混药、混批
E.混合后物料均匀度应符合规定
[单选题]配电设备检修,若无法保证安全距离或因工作特殊需要,可用与带电部分直接接触的()隔板代替临时遮栏。
A.绝缘
B.木质
C.塑料
D.泡沫
[单选题]安装张力计的销子或链条,其承受拉力的能力必须是新电缆拉断力的( )。
A.一半以下
B.一半以上
C.2倍以上
D.4倍
[简答题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定,开启的危险品检查仪数量满足旅客<--NRC-->。
[判断题]一般焊件的厚度越大,选用的焊条直径 d 应越小,同时可选择较大的焊接电流,以提高工作效率。( )(中)
A.正确
B.错误
[多选题]轨枕大修主要内容包括:(      )。
A.成段更换轨枕及扣件,成段增加轨枕配置及扣件,成段更换再用轨枕及扣件。
B.清筛道床,补充道砟,整治道床翻浆冒泥和超过15 mm的冻害。
C.整修线路,安装轨道加强设备。
D.整修道口。
[判断题]儿童可以服用阿司匹林退烧。
A.正确
B.错误
[单项选择]文化一经产生就要被他人模仿、效法、利用,这是文化特性的()。
A. 复合性
B. 变迁性
C. 象征性
D. 传递性

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