【判断题】
判断题 [1]器皿不洁净、溅失试液、读数或记录差错都可造成偶然误差
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相关试题
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判断题 [2]容量瓶与移液管不配套会引起偶然误差
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判断题 [2]在没有系统误差的前提条件下，总体平均值就是真实值
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判断题 [2]在消除系统误差的前提下，平行测定的次数越多，平均值越接近真值
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判断题 [2]测定结果精密度好，不一定准确度高
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判断题 [2]精密度高，准确度就一定高
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判断题 [3]准确度是测定值与真实值之间接近的程度
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判断题 [2]平均偏差常用来表示一组测量数据的分散程度
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判断题 [2]平均偏差与标准偏差一样都能准确反映结果的精密程度
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判断题 [2]某物质的真实质量为1. 00g，用天平称量称得0. 99g，则相对误差为1%
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05%，则这组测量值的相对平均偏差为0.06%
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判断题 [2]0.650×100=0. 630×(100+V)中求出的V有3位有效数字
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判断题 [2]有效数字中的所有数字都是准确有效的
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判断题 [2]在分析数据中，所有的“0”都是有效数字
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判断题 [2]6.78850修约为四位有效数字是6.788
【单选题】
班组长的___能把班组成员的精力吸引到培训工作上来，形成班组培训的合力。。A.引领作用B.凝聚作用C示范作用D. 先锋模范作用4.班组培训内容不包括以下哪项? ( D )。
A. 安全培训
B. 规章培训
C. 生产校能培训
D. 特种作业资格培训。
【单选题】
班组台帐纸张要求以___为准，可用拉杆式文件夹统一装订;做到三边对齐。。
【单选题】
对“三新”人员要指定专人负责指导，按照岗位任职条件和要求，及时签订___..
A. 师德合同
B. 劳动合同C培训计划书D. 安全责任书
【单选题】
发生事故及苗子、隐患、职业病等要详细记录，本着___的原则，及时召开分析会，查找原因，吸取教训，提出防范措施。
A. 按章作业
B. 四不放过
C. 说服教育
D. 严格管理
【单选题】
岗位作业指导书中不包括的内容是___。 。
A. 岗位描述
B. 岗位工作目标和要求
C. 岗位职责
D. 设备管理制度
【单选题】
班前会一般不包括事方面内容: ___。
A. 检查职工着装、备品
B. 市置作业任务
C. 检查班通台张
D. 进行安全预想。
【单选题】
___是指在计划期内，生产班组应完成的工作总量，是为把获组的作业任务，落实到每名班组成员、每台设备上而编制的具体工作方案。
A. 班组作业计划
B. 班组台账
C. 班组文件
D. 班组管理
【单选题】
以下不属于班组作业计划的编制原则的是: ___
A. 独立思考、独立制定
B. 沟通协调、统等安排C.综合平衡、留有余地 D.助员职工。共同制订。
【单选题】
作业过程控制包括三个阶段，即作业前的准备阶段、___和作业后的评价总结阶段，。
A. 班组活动阶段
B. 车间开会阶段
C. 作业中的控制阶段D.作业时的 自动阶段
【单选题】
班前会是企业基层管理的重要组成部分，是班组长向下属传达上层的指示、___、做好作业准备的主要途径。，
A. 总结工作经验
B. 布置工作任务
C. 培训工艺流程
D. 关心个人生活
【单选题】
___应清楚储敢位置，充分做到随时用随时取，存储物料要建立相应台张，做到联物相符。“
A. 班组长
B. 班组材料员
C. 班组每位职工
D. 防护员。
【单选题】
人员下道避车的同时，必须将作业机具、材料移出线路，放置、堆码牢固，不得侵入展界，两线间距离小于___不得停留人员和放置机具、材料。
A. 4m
B. 4.5m
C. 6.5m
D. 5m
【单选题】
模越有机车、车辆停留的线路时，必须先确认机车、车辆暂不移动，然后在距该机车、车辆___米以外绕行。
【单选题】
天气不良或晾望条件困难地段，必须坚持___制度。
A. 单线避车
B. 邻线避车
C. 双线避车
D. 多线避车
【单选题】
发现牵引供电设备断线及其部件损坏，或发现牵引供电设备上挂有线头、绳索、塑料市或脱落搭接等异物，在牵引供电设备检修人员到达并采取措施以前，任何人员均应距已断线索或异物处所___ m以外。
【单选题】
各工种岗位安全生产责任制要单一编号，编号规则采用___ 位数字编码。
【单选题】
JTW-1型列车接近无线语音提示系统按用途分为:___
A. 站场、区间无线传输防护和站场有线定点防护两种。
B. 站场、区间无线传输防护，C. 站场有线定点防护两种。D.以上均不正确
【单选题】
站内和行人较多的地段，牵引供电设备支柱在距轨面___ 高处均要设白成属字 “高压危险”并有红色闪电符号的警示标志。
A. 2m
B. 2.5m
C. 1.5m
D. 3m
【单选题】
27距钢轨头部外侧距高不小于___ 以上，设有进车台(洞)的桥梁(隧道)须进入遵车台(洞)港车。
A. 2.5m
B. 3m
C. 3.5m
D. 4m
【单选题】
个性心理包括___。
A. 个性倾向和个性能力
B. 个性倾向和个性心理特征C个性需要和个性心理特征 D.个性倾向和个性价值观
【单选题】
个性心理特征不包括___ 。
A. 个人气质
B. 个人性格
C. 个人魅力
D. 个人能力
【单选题】
“违章不一定出事，出事不一一定伤人，伤人不一定是我。”属于___。
A. 省能心理
B. 侥幸心理
C. 逆反心理
D. 轻枧心理。
推荐试题
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
【单选题】
3）The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【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.
