热门试题:
[多选题]关于事故应急救援预案，以下表述正确的是（ ）。
A.县级以上地方各级人民政府应当组织有关部门制定本行政区域内生产安全事故应急救援预案
B.危险性较小的生产经营单位可以不制定生产安全事故应急救援预案
C.生产经营单位制定的生产安全事故应急救援预案应当与所在地县级以上地方人民政府组织制定的生产安全事
D.生产经营单位应当定期组织应急救援预案演练
[判断题]巷道施工方法的选择与巷道所在的围岩性质有关
A.正确
B.错误
[单选题]国家综合性消防救援人员,不论职位高低,在政治上一律平等,相互间是()。
A.上下级关系
B.隶属关系
C.同志关系
D.同级关系
[多选题]矿工自救时，佩戴自救器后，若感到吸入空气干热灼烫，则不应该（ ）
A.去掉口罩
B.坚持使用，脱离险区
C.改用湿毛巾
D.去掉口具，迅速逃跑
E.保持步伐平稳
F.略
G.略
H.略
[单项选择]民间文学群体性最显著的表现是？（）
A. 作品的集中性
B. 作品的通俗性
C. 作品的匿名性
[单选题] (题干)患者男性,40岁。因下肢水肿3周就诊,体检: 血压160/100mmHg,尿蛋白(+++) ,红细胞10~15/HP,血Cr 150/μmol/L。(题目):对本例诊断和鉴别诊断帮助最大的检查是( )。
A.血常规检查
B.CT检查
C.肾脏活检
D.中段尿培养
E.血脂检查
[多选题]检修（施工）单位的（）名单应事先送设备运维管理单位备案。
A.工作票签发人
B.工作许可人
C.工作负责人
D.专责监护人
E.略
F.略
[单选题]根据《变电安规》，在室外高压设备上工作，应在工作地点四周装设围栏，其出入口要围至临近道路旁边，并设有（ ）的标示牌。
A.“在此工作!”
B.“从此进出!”
C.“止步，高压危险!”
D.“从此上下!”
[判断题]新调入集团公司的职工且符合本办法规定享受年休假的，按上班工龄享受当年休假天数
A.正确
B.错误
[多选题]（）推广应用情况。
A. A.新技术
B.B.新工艺
C.C.新装备
D.D.新科技
[多项选择]治疗脏躁不宜（）
A. 滋阴降火为主
B. 温补肾阳为主
C. 清心泻热为主
D. 甘润滋养为主
E. 清热泻火为主
[判断题]在五进制计数器电路中要用五个触发器才行,在三进制计数器电路中要三个触发器.( ))
A.正确
B.错误
[单项选择]施工中，监理工程师同意采用承包人的合理化建议所发生的费用和获得收益的分担或分享，由( )。
A. 由发包人分担或分享
B. 由承包人分担或分享
C. 由发包人和承包人另行约定
D. 由监理工程师确认
[单选题]可燃物质与()共存,达到某一温度时,与火源接触即发生燃烧。
A.助燃剂
B.氧化剂
C.空气或氧化剂
D.空气
[单项选择]对不同料场的砂、石进行抽样检验时，宜采用（）。
A. 单纯随机抽样
B. 分层取样
C. 系统取样
D. 两级取样
[单项选择]To be a good teacher, you need some of the gifts of a good actor: you must be able to hold the attention of your audience; you must be a clever speaker, with a good, strong, pleasing voice which is fully under your control; and you must be able to act what you are teaching, in order to make its meaning clear.
The fact that a good teacher has some of the gifts of a actor doesn’t mean that he will indeed be able to act well on the stage, for there are very important differences between the teacher’s work and actor’s. The actor has to speak words which be has learnt by heart; he has to repeat exactly the same words each time he plays a certain part, even his movements and the ways in which he uses his voice are usually fixed beforehand. What he has to do is to make all these carefully learnt words and actions seem natural on the stage.
A good teacher works in quite a different way. His audience takes an active part in his play; they ask and answer questions, they obey orders, an
A. presents
B. cleverness
C. something belongs to a good actor
D. the Way a teacher should act in class
[判断题]基坑开挖应按照分层、分段、分块、对称、平衡、限时的方法确定开挖顺序。
A.正确
B.错误
[判断题]列车施行常用制动时，单阀缓解机车制动,每次不得超过10kPa。
A.正确
B.错误
[判断题]( )注汽锅炉停炉时,PLC电源开关置于接ON位置。
A.正确
B.错误
[判断题]禁止利用厂房的金属结构、轨道、暖气设施等来作为焊接回路使用
A.正确
B.错误
[单项选择]The African (1) of today’s black Americans were brought to the U.S. as slaves in the seventeen, eighteenth, and nineteenth centuries. They worked on farms, (2) on large farms in the southern states. (3) they became a part of the economic system of the South.
Slaves did not have the rights of people; (4) the law, they were "thing" which belonged to the person who bought them. They had to (5) the orders of their owners (6) . They were not allowed (7) to read; their owners feared that (8) slaves would begin to think about the (9) of the system and would learn to (10) their freedom. Slaves had to work long hours in (11) conditions Their owners had (12) power over them. They could be bought and sold like animals. At the slave markets, black children were separated form their parents and never saw them again. Slaves owners had the right to punish severely
A. Slowly
B. Lately
C. Quickly
D. Wholly
[单项选择]冬期开挖路堑表层冻土时，1m以下的冻土层可选用( )破冻。
A. 爆破冻土法
B. 机械破冻法
C. 人工破冻法
D. 机械辅以人工
[单选题]区分不变资本和可变资本的依据是( )
A.它们的价值周转方式不同
B.它们在流通中采取的形态不同
C.它们在生产使用价值过程中的作用不同
D.它们在价值增殖过程中的作用不同
[单选题]高空作业人员作业时（ ）将安全带系在安全可靠的地方。
A.可以
B.不必
C.要求
D.必须
[单项选择]铁路编组站的业务范围包括( )。
A. 解体、汇集、甩挂、改编
B. 改编、汇集、甩挂
C. 分解、合成、甩挂、编组
D. 整备、汇集、更换
[单项选择]药品储存中，"阴凉处"是（）
A. 指温度不超过20℃
B. 指避光且温度不超过20℃
C. 指温度在2～10℃
D. 指避光且温度在2～10℃
E. 指避光且温度在0～4℃
[多项选择]融资性担保公司有重大违法经营行为，不予撤销将（）的，由行业主管部门予以撤销。
A. 严重危害市场秩序
B. 损害公共利益
C. 对公司有轻微损失
D. 导致公司亏损
[单项选择]有关原发性甲状旁腺增生病变的描述，错误的是
A. 4个甲状旁腺均肿大
B. 增大的腺体大小一致
C. 间质脂肪组织减少
D. 多以主细胞增生为主
E. 增生细胞PTH免疫组化染色阳性
[判断题]总局网控中心是SITA电报唯一的国际路由出口。（）
A.正确
B.错误
[单选题]print("nankai".capitalize())的输出结果是（）
A.nankai
B.Nankai
C.NANKAI
D.NanKai
[单选题]采区布置时,工作面最好与主要裂隙方向( )。
A.平行
B.正交
C.斜交
[判断题]各种必需氨基酸具有最佳平衡的蛋白质就是理想蛋白质。
[单项选择]Julia likes to rent a house, which is comfortable, well-equipped and, _____, in a quiet neighborhood.
A. all in all
B. at all
C. above all
D. after all
[不定项选择题]共用题干
Aging
Throughout history man has had to accept the fact that all living things must die,but people now live longer than they used to.Yet all living things still show the________(51)of aging,which will eventually________(52)death.
Aging is not a disease,but as a person passes maturity,the cells of the body and the________ (53) do not function as well as they did in childhood and adolescence（青春期）.The body provides less________(54)against disease and is more likely________(55)have accident.
A number of related causes may________(56)aging. Some cells of the body have a fairly long life,but they are not reborn when they die.As a person ages,________(57)of brain cells and muscle cells decreases.The other cells are replaced by new cells.In an aging person the________(58) cells and muscle cells may not be as viable（能生存的）or as capable________ ( 59 ) growth as those of a young person.
Another________(60)in aging may be changes within the cells themselves.Some of the protein chemicals in cells are known________(61)with age and became less elastic.This is why the skin of old people wrinkles and________(62).This is also the reason old people________(63)in height. There may not be other more important chemical changes in the cells.Some complex cell chemicals, such as DNA and RNA,store and________(64)information that the cells need.Aging may affect this________(65)and change the information-carry molecules so that they do not transmit the information as well.
_________(65)
A.method
B.procedure
C.development
D.process
[单项选择]尿比重试带组成成分除电解质共聚体外，还有
A. 四溴酚蓝
B. 碘化钾
C. 溴麝香草酚蓝
D. 过氧化物酶
E. 邻联甲苯胺
[单选题] ( ) 不属于人力资本构成要素。
A.知识
B.技能
C.金钱
D.体力
[单项选择]某砂土的比重为2.65，干燥状态密度为1.56g/cm3，若砂土置于水下，其浮密度为（）
A. 0.97
B. 1.97
C. 0.89
D. 1.89
[判断题]信号系统的声光信号出现电气线路故障时,主提升机操作工有权自行处理。
A.正确
B.错误
[单选题]呼吸性粉尘是指直径多大的粉尘。( )
A. ＞15μm
B. ＞10μm
C. =10μm
D. ＜8μm
E. ＜5μm
