相关试题
【多选题】
桥涵工程中所用石料的外观要求为（ ）。 ___
A. 石材易均匀
B. 不易风化
C. 无裂缝
D. 外形方正
【多选题】
热轧钢筋试验项目包括（ ）。 ___
A. 屈服强度
B. 极限强度
C. 松弛率
D. 伸长率
【多选题】
钢筋闪光对焊接头检验项目包括（ ）。 ___
A. 拉伸试验
B. 冷弯试验
C. 伸长率
D. 外观检查
【多选题】
石料抗冻性试验测试项目包括（ ） ___
A. 抗压强度
B. 耐冻系数
C. 质量损失率
D. 吸水率
【多选题】
桥梁现场动载试验测试记录主要内容有（ ）。 ___
A. 跑车时的动态响应
B. 刹车时动态增量
C. 跳车时的动态增量
D. 静车时动态响应
【多选题】
钢结构焊缝的无损探伤有（ ）等方法。 ___
A. 超声波法
B. 射线法
C. 回弹法
D. 外观检查法
【多选题】
桥梁结构静载性能分析主要包括（ ）。 ___
A. 结构的强度和稳定性
B. 结构的刚度
C. 结构的抗裂度
D. 结构裂缝宽度
【多选题】
优质经济的水泥混凝土的基本要求必须同时满足（ ）几方面。 ___
A. 强度
B. 耐久性
C. 工作性
D. 经济性
【多选题】
改变新拌混凝土工作性的措施有（ ）。 ___
A. 调节混凝土的材料组成
B. 掺外加剂
C. 提高振捣机械能
D. 延长拌合时间
【多选题】
桥面铺装的作用是（ ）。 ___
A. 保护主梁
B. 分担车辆荷载
C. 保证桥面美观
D. 减轻车辆振动
【多选题】
钻孔灌注桩泥浆的作用是（ ）。 ___
A. 护壁
B. 悬浮钻渣
C. 保持孔内水量
D. 保证钻进速度
【多选题】
桥涵混凝土用粗集料确定其最大粒径时应考虑（ ）。 ___
A. 结构情况
B. 施工方法
C. 温度
D. 湿度
【多选题】
桥涵砌体用砂浆的主要技术指标包括（ ）。 ___
A. 材料组成
B. 制备方法
C. 养生条件
D. 试验条件
【多选题】
影响硬化后水泥混凝土强度的因素包括（ ）。 ___
A. 孔隙比
B. 颗粒形状
C. 颗粒大小
D. 颗粒级配
【多选题】
砂类土和碎石土的密实度与下列哪些指标有关。（ ） ___
A. 含砂率
B. 胶体率
C. 相对密度
D. 粘度
【多选题】
钻孔灌注桩泥浆指标中主要影响沉淀层厚度的指标包括（ ）。 ___
A. 高强钢丝
B. 普通钢筋
C. 钢绞线
D. 热轧钢筋
【多选题】
用于预应力混凝土结构的钢材包括（ ）。 ___
A. 张拉力
B. 应变值
C. 油压力
D. 回缩值
【多选题】
张拉用千斤顶标定时需检测的数据包括（ ）。 ___
A. 汽车和人群
B. 特殊重型车
C. 履带车挂车
D. 集装箱车
【多选题】
桥梁静载试验在进行数据处理时应考虑哪些修正（ ）。 ___
A. 测值修正
B. 测点修正
C. 温度修正
D. 支点修正
【多选题】
桩基础适用于下列哪种情况。（ ） ___
A. 荷载大、地基软弱
B. 河床冲刷大
C. 地基沉降大
D. 地下水位过高
【多选题】
结构混凝土细集料可以采用（ ）。 ___
【多选题】
橡胶支座检测摩擦系数包括（ ）。 ___
A. 橡胶与混凝土
B. 橡胶与钢板
C. 橡胶与不锈钢板
D. 橡胶与橡胶
【多选题】
无脚拱桥荷载试验工况包括（ ）。 ___
A. 跨中最大正弯矩
B. 拱脚最大负弯矩
C. 拱脚最大水平推力
D. 桥墩最大竖向力
【多选题】
下列属于按桥梁基础分类的是（ ）。 ___
A. 刚性基础
B. 承台
C. 沉井
D. 盖梁
【多选题】
桥梁桩基础按施工方法可分为（ ）。 ___
A. 沉桩
B. 钻孔桩
C. 挖孔桩
D. 管桩
【多选题】
刚性基础适用于（ ）。 ___
A. 松软土
B. 中风化土
C. 砂岩
D. 粘性土
【多选题】
下列属于沉桩方式的有（ ）。 ___
A. 锤击沉桩法
B. 钻孔沉桩法
C. 振动沉桩法
D. 静力沉桩法
【多选题】
钻孔灌注桩适用于岩石、碎石以及（ ）各类土层。 ___
A. 砾卵石
B. 沙土
C. 淤泥软土
D. 粘性土
【多选题】
在深水、无覆盖层或覆盖层很厚的自然条件下，可采用（ ）。 ___
A. 高桩基础
B. 低桩基础
C. 管注
D. 沉井
【多选题】
桥梁上部结构既可用预制法，又可用现浇法施工的技术有（ ）。 ___
A. 逐段悬臂平衡施工
B. 逐孔施工
C. 顶推施工
D. 转体施工
【多选题】
桥梁上部结构的转体施工按转动方向分为（ ）施工法。 ___
A. 斜向转体
B. 竖向转体
C. 平面转体
D. 空间转体
【多选题】
常用支架计算时需要考虑（ ）等因素。 ___
A. 设计荷载
B. 计算荷载
C. 预拱度
D. 沉落值
【多选题】
桥梁的组成部份包括（ ）。 ___
A. 桥跨结构
B. 下部结构
C. 附属结构
D. 基础
【多选题】
桥下净空高度是（ ）至桥跨结构最下缘间的距离。 ___
A. 设计洪水位
B. 低水位
C. 计算通航水位
D. 高水位
【多选题】
桥梁工程的受力构件总离不开（ ）这几种基本受力方式。 ___
【多选题】
在竖向荷载作用下，产生水平反力的桥梁结构为（ ）。 ___
A. 梁式桥
B. 拱式桥
C. 悬吊桥
D. 组合体系
【多选题】
拱桥的主要承重结构是（ ）。 ___
A. 拱圈
B. 拱肋
C. 腹板
D. 桥面结构
【多选题】
桥梁按其上部结构的行车道位置可划分为（ ）。 ___
A. 上承式桥
B. 中承式桥
C. 下承式桥
D. 底承式桥
【多选题】
属于梁桥轻型墩台的有（ ）。 ___
A. 钢筋混凝土薄壁墩台
B. 薄壁墩台
C. 轻壁墩台
D. 轻型薄壁墩台
【多选题】
属于拱桥的轻型桥台的是（ ）。 ___
A. 八字型桥台
B. 埋置式桥台
C. 背撑式桥台
D. 靠背式框架桥台
推荐试题
【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
C. Positive feedback is not useful.
D. Feed-forward makes human body foresee and adapt itself to the environment promptly.
【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
B. The correlation of biological activity with chemical structure
C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
D. The prevention, recognition, and treatment of drug poisonings
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【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.
