【判断题】
搅拌机作业中,当料斗升起时,严禁任何人在料斗下停留或通过
A. 对
B. 错
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答案
A
解析
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【判断题】
搅拌机在作业期较长的地区使用时,可用支腿将机架支起后,就可使用
A. 对
B. 错
【判断题】
搅拌机搅拌过程不宜停车,如因故必须停车,在再次启动前应卸除荷载,不得带载启动
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B. 错
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切断机运转中,严禁用手清除切刀附近断头和杂物
A. 对
B. 错
【判断题】
钢筋切断机未达到正常运转时,不可切料。送料时应在固定刀片一侧握紧并压住钢筋,以防钢筋末端弹出伤人。可用两手分在刀片握住钢筋俯身送料
A. 对
B. 错
【判断题】
灰浆搅拌机运转中,不得用手或木棒等伸进搅拌筒内或在筒口清理灰浆
A. 对
B. 错
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圆盘锯的安全防护装置包括分料器、锯盘护罩、防护挡板和传动部位防护罩
A. 对
B. 错
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长度短于20cm的木料不得使用电平刨
A. 对
B. 错
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机动翻斗车严禁料斗载人
A. 对
B. 错
【判断题】
当塔机吊重超过最大额定起重量并小于最大起重量的110%时,应停止提升方向的运行,但允许机构有下降方向的运动
A. 对
B. 错
【判断题】
当起重力矩超过其相应幅度的规定值并小于规定值的110%时,起重力矩限制器应起作用使塔机停止提升方向及向臂根方向变幅的动作
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B. 错
【判断题】
塔机司机对任何人发出的紧急停止信号,均应服从
A. 对
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吊笼(梯笼)是物料提升机运载人和物料的构件,笼内有传动机构、限速器及电气箱等
A. 对
B. 错
【判断题】
动臂式和尚未附着的自升式塔机,塔身上不得悬挂标语牌
A. 对
B. 错
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卷扬机卷筒与钢丝绳直径的比值应不小于50
A. 对
B. 错
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施工升降机运行到最上层或最下层时,可以采用限位装置作为停止运行的控制开关
A. 对
B. 错
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风力在四级以上时,塔机不得进行顶升作业
A. 对
B. 错
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施工现场装有2台以上塔式起重机时,高位起重机最高部件与低位起重机最低部件之间垂直距离不得小于2m
A. 对
B. 错
【判断题】
低架物料提升机应当设置安全停靠装置、断绳保护装置、上极限限位器、下极限限位器、吊笼安全门和信号装置等安全保护装置
A. 对
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物料提升机司机应经专门培训,人员要相对稳定,每班开机前,应对卷扬机、钢丝绳、地锚、缆风绳进行检验,并进行空车运行
A. 对
B. 错
【判断题】
脚手架纵向水平杆接长宜采用对接扣件连接,也可采用搭接,搭接长度不应小于500mm
A. 对
B. 错
【判断题】
纵向水平杆的对接扣件应交错布置:两根相邻纵向水平杆的接头宜设置在同步或同跨内;不同步或不同跨两个相邻接头在水平方向错开的距离不应小于500mm
A. 对
B. 错
【判断题】
作业层端部脚手板探头长度应取150mm,其板长两端均应与支承杆可靠地固定
A. 对
B. 错
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脚手架底层步距不应大于2m
A. 对
B. 错
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连墙件应均匀布置且宜靠近主节点,偏离主节点的距离不应大于500mm
A. 对
B. 错
【判断题】
高度在24m以上的单、双排脚手架,均必须在外侧立面的两端各设置一道剪刀撑,并应由底至顶连续设置,中间每道剪刀撑的净距不应大于15m
A. 对
B. 错
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双排脚手架横向水平杆的靠墙一端至墙装饰面的距离不宜大于100mm
A. 对
B. 错
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拆除脚手架时,连墙件必须随脚手架逐层拆除,严禁先将连墙件整层或数层拆除后再拆脚手架
A. 对
B. 错
【判断题】
凡在坠落高度基准面2m以上(含2m)有可能坠落的高处进行的作业均称为高处作业
A. 对
B. 错
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凡是进行高处作业施工的,应使用脚手架、平台、梯子、防护围栏、档脚板、安全带和安全网等
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B. 错
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A. 对
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对邻近的人与物有坠落危险性的竖向孔、洞口,均应予以设盖板或加以防护,并有固定其位置的措施
A. 对
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在施工现场与场地通道附近的各类洞口与深度在2m以上的敞口等处,除设置防护设施与安全标志外,夜间还应设红灯示警
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【判断题】
进行混凝土浇筑,当浇筑离地面高度2m以上的框架、过梁、雨蓬和小平台等,需搭设操作平台,操作人员不能站在模板上或支撑杆件上操作
A. 对
B. 错
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建筑施工中的攀登作业、独立悬空作业如搭设脚手架、吊装混凝土构件、钢构件及设备等,都属于高处作业,操作人员都应佩戴安全带
A. 对
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悬挑式钢平台的搁支点与上部拉结点,宜设置在脚手架等施工设施上
A. 对
B. 错
【判断题】
制作钢操作平台时,吊点上需设置四个经过验算的合格的吊环,吊环用Q235钢制作。钢平台两侧,要按规定设置固定的防护栏杆
A. 对
B. 错
【判断题】
结构施工自二层起,凡人员进出的通道口宜视情况搭设安全防护棚,高度超过24m的层次必须搭设安全防护棚
A. 对
B. 错
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安全带应高挂低用,防止摆动和碰撞;安全带上的各种部件不得任意拆掉
A. 对
B. 错
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暴风雪及台风暴雨后,应对高处作业安全设施逐一加以检查。发现有松动、变形、损坏或脱落等现象,应立即修理完善
A. 对
B. 错
【判断题】
防护棚搭设与拆除时,应设警戒区,并应派专人监护,可以上下同时拆除
A. 对
B. 错
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【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
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C. assist in
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【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
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(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
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(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___
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【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
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【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
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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
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(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.
A. 对
B. 错
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
A. 对
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The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
A. 对
B. 错
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The nervous system uses electrical signals to transmit information very rapidly to specific cells.
A. 对
B. 错
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With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
A. 对
B. 错
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A negative feedback loop is a control system that acts to maintain the level of some variables within a given range following a disturbance
A. 对
B. 错
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(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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.
A. 对
B. 错
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(3)The clinical effect of a drug is assumed to be directly related to the plasma drug concentration.
A. 对
B. 错
【判断题】
(4) Systemically acting drugs administered by all routes involve the absorption of drug from the place of administration into the blood.
A. 对
B. 错
【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.
A. 对
B. 错
【判断题】
(6)Prodrugs are not therapeutically effective unless they are changed into therapeutically active forms before or after reaching the systemic circulation
A. 对
B. 错
【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
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(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