热门试题:
[单选题]根据《海南炼化公司硫化氢等高毒气体防护安全管理细则》,硫化氢浓度大于150mg/m3(100ppm)的管线应设置色环标识,按照3黑2黄的间隔色环进行漆色标识,黑色环带宽( ),黄色环带宽300mm。
A.100mm
B.150mm
C.200mm
D.250mm
[单项选择]
Passage Two
Compared with the robot, the human worker is undoubtedly superior. He is capable of performing a wider variety of work.
Moreover, he is able to adapt his working pattern in order to cope with changing situations which the robot cannot do. On the other hand, the human worker is relatively weak and cannot tolerate work in extreme conditions such as extremely high or low temperatures.
Consequently, we find humans and robots working together in many areas of work. Robots are used to perform dangerous tasks so that their human operators need not risk their lives. To handle harmful radioactive materials, such as uranium (铀), robots in the form of machined arms are used so the human operators can stay from the fatal rays.
Another advantage of the robot is that it never complains about long working hours or that it is boring. It works around the clock and performs equally well in any situation. It needs little servicing and absolutely no
A. dangerous and dull
B. harmful but beneficial
C. repetitive and dull
D. easy but tiring
[判断题]胚根形成的主根属于定根,垂柳枝条扦插产生的根属于不定根。
A.正确
B.错误
[单选题]抑制血管紧张素转化酶,可消除心衰症状,降低病死率
A.地高辛
B.美托洛尔
C.米力农
D.硝普钠
E.依那普利
[配伍题]狂病的临床意义为()|痫病的临床意义为()
A. 痰蒙心神
B. 痰火扰神
C. 肝风夹痰
D. 肝阳上亢
E. 肝风内动
[单项选择]美女樱叶形为()
A. 披针形,羽裂
B. 卵形,全缘
C. 三角形,锯齿
D. 卵形,波状
[单选题]在数字电路中,控制整个电路按规定的时间顺序进行工作,并起着时间标准作用的是( ).
A.高电平
B.低电平
C.钟控信号(CP)
[多选题] 人民行使国家权力的机关是( )
A. 全国人民代表大会
B. 地方各级人民代表大会
C. 各级人民政府
D. 人民法院
[单选题]( )及以上风险作业管理人员(含监理人员)要到岗到位进行管控。
A.A-一级
B.B-二级
C.C-三级
D.D-四级
[多选题]高楼发生火灾时,不应该做的行为有()
A.通过安全通道离开
B.通过电梯离开
C.跳楼
D.大声呼救
[判断题]在我国有权修改宪法的机关是全国人民代表大会。( )
A.正确
B.错误
[多项选择]心力衰竭时常会升高的指标有()
A. 白细胞介素-6(IL-6)
B. 肿瘤坏死因子-α(TNF-α)
C. 高敏C反应蛋白(hs-CRP)
D. 红细胞分布宽度(RDW)
E. 甲胎蛋白(AFP)
[单项选择]Text
The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases (26) the trial of Rosemary West.
In a significant (27) of legal controls over the press, Lord Irvine, the Lord Chancellor, will introduce a (28) bill that will propose making payments to witnesses (29) and will strictly control the amount of (30) that can be given to a case (31) a trial begins.
In a letter to Gerald Kaufman, chairman of the House of Commons Media Select Committee, Lord Irvine said he (32) with a committee report this year which said that self regulation did not (33) sufficient control.
(34) of the letter came two days after Lord Irvine caused a (35) of media protest when he said the (36) of privacy controls contained in European legislation would be left to judges (37) to Parliament.
A. stated
B. remarked
C. said
D. told
[判断题]自2019年6月1日起,银行和支付机构为客户开立账户时,应当在开户申请书、服务协议或开户申请信息填写界面醒目告知客户出租、出借、出售、购买账户的相关法律责任和惩戒措施,并载明以下语句:“本人(单位)充分了解并清楚知晓出租、出借、出售、购买账户的相关法律责任和惩戒措施,承诺依法依规开立和使用本人(单位)账户”,由客户确认。
A.正确
B.错误
[填空题]钢丝绳尾用绳卡固定连接时,至少要用( )个。
[判断题]“工作制动器”是自动扶梯必备的制动器。
A.正确
B.错误
[多项选择]分子筛只吸附小于其孔径的分子,3A分子筛孔径约为0.3~0.33mm,故可以吸附()。
A. H2
B. O2
C. H2O
D. C2H4
E. C2H6
[单选题]工作票一份应保存在工作地点,由专责监护人收执|另一份由工作许可人收执,按值移交。()
A.A-正确
B.B-错误
C.略
D.略
E.略
F.略
G.略
[判断题].断续焊接握法:适用于大焊件间断供锡。( )[1分]
A.正确
B.错误
[单选题]原核生物复制过程中,拓扑异构酶的作用是
A.去除引物、填补空隙
A.解开DNA双链
B.
C.协同解螺旋酶
D.断开DNA链,使复制旋转时不致缠绕打结
[判断题]ZLD500型电动吊篮平台尺寸为2m( )
A.正确
B.错误
[判断题]在独立主险型重大疾病保险中,保险人定价时考虑的主要因素包括重大疾病的发生率和死亡率
A.正确
B.错误
[单项选择]关于警察和国家说法错误的是( )。
A. 有了警察,同时也就有了国家
B. 统治阶级内部,当权者为了对付政敌,也直接需要警察力量
C. 由社会矛盾引起的犯罪、对抗冲突和社会秩序问题是决定警察必要性的直接因素
D. 国家是不能没警察的
[判断题]操作票票面应清楚整洁,不得任意涂改。
A.正确
B.错误
[单项选择]下列数据结构中,能用二分法进行查找的是______。
A. 顺序存储的有序线性表
B. 线性链表
C. 二叉链表
D. 有序线性链表
[单选题]( )强调人各有所长也各有所短,应以己之长补他人之短。
A.要素有用原理
B.能位对应原理
C.互补增值原理
D.动态适应原理
[多选题]监控装置配有哪些接口?
A.标准串行接口
B.以太网接口
C.USB接口
D.单相接口
[多选题]低压测电笔使用正确的是( )。
A.用手接触前端金属
B.用手接触后端金属
C.只能测500V及以下电压
D.测量时应先在带电体上试一下,以确定其好坏
[判断题]( )KTA-19G2柴油机喷油器柱塞行程若调整偏小,将可能造成气缸盖开裂。
A.正确
B.错误
[单项选择]金属含()高到一定数量时,在常温下金属受到打击时容易破碎,这就是冷脆现象。
A. 硫
B. 磷
C. 砷
[单选题]自2018年1月1日起,企业发生的职工教育经费支出,不超过工资薪金总额一定比例的部分,准予扣除。该比例是:
A.2%
B.2.5%
C.4%
D.8%
[单选题]电缆护层过电压限制器和电缆金属护层连接线宜在( )m以内,连接线应与电缆护层的绝缘水平一致。
A.3
B.4
C.5
D.6
[单项选择]据某高速公路交通事故统计,蓝色车辆较其他颜色的车辆出事故更多,由此推论驾驶蓝色车比其他颜色的车发生事故的危险性更高。该推论是()。
A. 正确的
B. 不正确,因为没有采取对照组
C. 不正确,因为该比较不是基于率的比较
D. 不正确,因为未进行统计学检验
E. 不正确,因为用流行率而未用发病率
[单项选择]鼻部硬性乳头状瘤来自()
A. 鼻腔黏膜上皮
B. 鼻旁窦黏膜上皮
C. 鼻前庭或鼻中隔前部皮肤
D. 鼻中隔黏膜上皮
E. 鼻咽部黏膜上皮
[填空题] 搭设跨越一般公路跨越架时,跨越架封顶杆至路面的垂直最小安全距离为( )m。
[单项选择]
Insurance is the sharing of risks. Nearly everyone is 41 to risk of some sort. The house owner, for example, knows that his property can be 42 by fire; the ship owner knows that his vessel may be lost at sea; the breadwinner knows that he may die at an early age and 43 his family poorer. On the other hand, not every house is damaged by fire, nor every 44 lost at sea. If these persons each put a small sum into a pool, there will be 45 to meet the needs of the few who do suffer loss. 46 , the losses of the few are met from the contributions of the many. This is the basis of insurance. Those 47 pay the contribution are known as “insured” and those who administer the pool of contributions 48 “insurers”.
Not all risks can be 49 by insurance. Broadly speaking, the ordinary risks of business and speculation cannot be covered. The risk that buyers will not buy goods 50 the prices offered is not
A. format
B. form
C. shape
D. figure
[单项选择]教学与教育的关系是( )。
A. 低级与高级
B. 简单与复杂
C. 个体与整体
D. 部分与整体