【单选题】
电动吊篮的悬吊平台在工作中的纵向倾斜角度不应大于___°。
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【单选题】
在距坠落高度基准面___m或2m以上有可能坠落的高处进行的作业。
【单选题】
梯子使用时,缺档、负荷___使梯子断裂,会引起梯上坠落。
【单选题】
吊篮平台一般采用刚钢或铝合金或者其他符合要求的材料制成,根据长度不同,可供___人同时作业使用。
【单选题】
标志牌的平面与视线夹角应接近___°。
【单选题】
高处作业由于其特殊危害性,相关单位除了落实安技术措施外,还应该加强其___管理工作。
【单选题】
吊具腰带必须要整根,长度为1300至1600mm,宽度为___mm。
A. 34至40
B. 40至50
C. 50至55
【单选题】
广告施工高处作业使用吊篮,作业区域内不方便设置施工电源的情况下,不可以___。
A. 从配电箱接临时电源
B. 从吊篮上接临时电源
C. 从建筑物配电箱接临时电源
【单选题】
电信线路是国家通信网的重要组成部分,也是保证信息传递的___。
【单选题】
安全带使用期为___年,发现异常应提前报废。
【单选题】
高处特种作业人员应该每年参加不少于___h的培训。
【单选题】
用梯子来登高时,梯脚必须要做___措施。
【单选题】
提请劳动争议处理的___,即当职工劳动安全卫生权益受到侵害,或者与用人单位因劳动安全卫生问题发生纠纷时,向有关部门提请劳动争议处理的权利。
【单选题】
不同形式的吊篮平台可按不同规定挂在双悬挂机机构的前段垂下的单根或者数根___上。
【单选题】
在木结构或砖木结构临时职工食堂的炉灶处进行施工作业属___级动火区域。
【单选题】
在通过供电线工作时,___将供电线擅自剪断。
【单选题】
用放电法检测电容器好坏时,使用___万用表进行操作。
【单选题】
被拆除建筑面积小于等于1000㎡(含)的拆除工程,应编制安全___。
A. 施工组织设计
B. 技术交底
C. 技术方案
【单选题】
室内机挂板要___。
A. 向左倾斜5°角安装
B. 水平安装
C. 向右倾斜5°角安装
【单选题】
登高___m以下,尚不属于我国登高作业范畴。
【单选题】
安全生产管理是做好安全生产工作的关键,强化___的监督管理同样不可缺少。
【单选题】
高空作业平台(车)是一种把人,工具或物品快捷简便的送达___进行作业的辅助装置。
【单选题】
悬吊平台四周有护栏,是进行高处作业的___式装置。
【单选题】
凡是参加高处作业的人员,必须要体检合格,患有精神病、癫痫病、___、视力和听力严重障碍者,一律不允许从事。
【单选题】
总包单位必须按照规定落实对___的用电设施和日常施工的监督管理。
【单选题】
遇到伤害时,不要惊慌失措,要保持___,并设法维护好现场秩序。
【单选题】
施工项目部每___召开一次由项目经理主持,项目总工、安全主管、专兼职安全员、施工技术员及施工队长参加的安全工作会议。
【单选题】
广告施工高处作业遇有大雨、大雪、严寒等恶劣天气时___。
A. 应停止高处作业
B. 应在认为安全的前提下继续施工
C. 因工期紧可以继续施工
【单选题】
人体坠落时,受力在自身重量的___倍以内时,对人体几乎没有影响。
【单选题】
静力破碎是利用静力破碎剂固化膨胀力破碎混凝土、岩石等的一种技术。一般操作程序是___。
A. 钻孔-注入静力破碎剂-破裂。
B. 钻孔-注入静力破碎剂-固化膨胀-破裂。
【单选题】
参加安全生产教育和培训,是每个高处作业人员___的。
推荐试题
【单选题】
(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
【单选题】
(3)Biopharmaceutics mainly studies the in vivo process of drugs and metabolites in humans, animals and tissue culture, which specifically involves___
A. absorption and distribution
B. absorption, distribution, metabolism, and excretion
C. metabolism and excretion
D. absorption and excretion
【单选题】
(4)Regarding the definition of bioavailability(BA), BA is related to___
A. total plasma drug concentration only
B. unbound drug concentration in the plasma
C. unbound drug concentration at the target site
D. total plasma drug concentration, and the administered drug dose
【单选题】
(5)Plasma drug concentration is affected by following factors such as___
A. rate of absorption
B. rate and extent of distribution
C. rate ofeli Imination
D. all ofabove
【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
B. i.v.infusion
C. Subcutaneous injection, transdermal and oral
D. None of above
【单选题】
(7)Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
A. Food
B. Disease state
C. Route of administration
D. All of above
【单选题】
(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
A. Sk d dermis
B. Gastrointestinal epithelium
C. Oral mucosal membrane
D. All of above
【单选题】
(9) Given the same administration dose, which of the following will likely result in varying bioavailabilities for the same drug administered to the same person? ___
A. tablets (p.o. )vs. solutions(p0.)
B. solutions for injection(i v )vs oral solutions(p0.)
C. coated tablets (p.0. )vs hard gelatin capsules(p0.)
D. All ofabove
【单选题】
(10)Which of the following statements is true?___
A. Bioavailability is only related to the administered dose and the total drug concentration in the blood circulation.
B. Plasma protein binding does not affect the bioavailability of a specific drug.
C. A given drug in different dosage forms may show differences in bioavailability if given by the same route.
D. Biopharmaceutical studies do not involve animal experiment.
【判断题】
Much of our present physiological knowledge has been found from the experiments and studies on human beings.
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
【判断题】
A negative feedback loop is a control system that acts to maintain the level of some variables within a given range following a disturbance
【判断题】
(1)Pharmacodynamics, which is concerned with the study of the biochemical and physiological effects of drugs and their mechanisms of action, Is an experimental medical science.
【判断题】
2)It's unreasonable for a physician to be interested mainly in the effects of drugs on human beings, for the pharmacological evaluation of drugs in them may be limited due to technical, legal, and ethical reasons.
【判断题】
(3) As the effects of drugs are often characterized by significant interspecies variation and may be further modified by disease, clinical pharmacology has never been efibrasized.
【判断题】
The physician is not interested in drugs that are useful in the prevention,diagnosis,and treatment of human disease, but in chemical agents that are commonly responsible for household and industrial poisoning as well as environmental pollution.
【判断题】
(5)A drug is said to be useful in therapy if it has the ability to produce its desired effects with only tolerable undesired effects.
【判断题】
(6)Toxicology deals not only with drugs used in therapy but also with many other chemicals that may be responsible for household, environmental, or industrial intoxication.
【判断题】
1)With the more efficient screening tests and burgeoning knowledge about how a molecules biological activities are likely to be changed, the traditional approach of discovering new drugs has been improved.
【判断题】
2)With the parallel synthesis used to identify which small segment of any given large protein would bind to an antibody, Mario Geysen generated a variety of short protein fragments by combining multiple amino acids in different permutations.
【判断题】
)A parallel synthesis and a split-and-mix synthesis are different in that in a split-and-mix synthesis, all the products are assembled separately n their respective reaction vessels.
【判断题】
4) In many laboratories, robots are used in the routine work of parallel synthesis to deliver small amounts of reactive molecules into appropriate wells, thus making the process more accurate and less tedious.
【判断题】
5) In a parallel synthesis, each compound remains in its own container; while in a split-and-min synthesis, the related ce mpounds are mixed up in the same reaction vessel.
【判断题】
6)In order to solve the difficulties of identifying the compounds made in a parallel synthesis scientists pull out from the mixture the beads that bear biologically active molecules and determine the molecular makeup o d attached.
【判断题】
1)The concentration of a drug in whole plasma is the most accurate index of the drug concentration at the site(s) of action.
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.
【判断题】
(3)The clinical effect of a drug is assumed to be directly related to the plasma drug concentration.
【判断题】
(4) Systemically acting drugs administered by all routes involve the absorption of drug from the place of administration into the blood.
【判断题】
5)Bioavailability of a drug indicates whether a therapeutically effective concentration is achieved at the site(s)of action of that drug.
【判断题】
(6)Prodrugs are not therapeutically effective unless they are changed into therapeutically active forms before or after reaching the systemic circulation
【单选题】
(1)地球表层覆盖着很多圈层,其中最厚的圈层是 ___
A. 岩石圈
B. 水圈
C. 大气圈
D. 生物圈
【单选题】
(2)目前受人类影响最强烈的地球圈层部位主要在大气圈底层、岩石圈上层以及 ___
A. 生物圈表层
B. 生物圈中层
C. 水圈底层
D. 水圈全部
【单选题】
(3)生物圈的范围为___
A. 大气圈、水圈和岩石圈的全部
B. 大气圈和水圈的全部、岩石圈的上部
C. 大气圈的底部、水圈和岩石圈的全部
D. 大气圈的底部、水圈的全部和岩石圈的上部
【单选题】
(4)地球上最大的生态系统是 ___
A. 森林生态系统
B. 生物圈
C. 海洋生态系统
D. 城市生态系统
【单选题】
(5)被称为地球之“肺”的是:___
A. 草原
B. 针叶林
C. 沼泽地
D. 热带雨林
【单选题】
(7)地球的表面积总共达到5.1亿平方千米,其中海陆各占的比例大致是 ___
A. 三分海洋七分陆
B. 七分海洋三分陆
C. 四分海洋六分陆
D. 六分海洋四分陆
【单选题】
(8)地球的表面积约为5.1亿平方千米,表面起伏不平,凸出来的地方成为陆地和山脉,而大片大片下凹的部分经过亿万年的积累,被液态海水所淹没而变成了海洋,海洋面积占地球表面积的近___。
A. 2%
B. 51%
C. 71%
D. 91%