【单选题】
判断题电力电缆铠装和护套是用来保护电缆防止外力损坏的。___
A. 对
B. 错
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A
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相关试题
【单选题】
人对世界的认识正确的表述是。___
A. 人对世界的认识是有限的，人类不可能认识全部世界；
B. 人对世界的认识是无限的，任何人都可以认识全部世界；
C. 对于具体时代、具体个人来说，人所达到的认识是有限的，但随着人类实践的发展，人类的认识能力和认识发展是无限的；
D. 人对世界的认识无所谓有限和无限。
【单选题】
根据地震波的探测，地球最外层平均厚度约100千米的范围带有弹性的坚硬岩石层，成为岩石圈，其范围是指---
A. 地壳
B. 地壳和软流层
C. 地壳和上地幔
D. 地壳和上地幔顶部
【单选题】
客观规律是。___
A. 事物和现象之间的直接的、表面的可能性联系；
B. 事物和现象之间的外在的、偶然的间接性联系；
C. 事物和现象之间的人为的、形式的、表象的联系；
D. 事物运动过程中本身所固有的内在的、本质的、必然的稳固性联系。
【单选题】
什么是中国传统文化？下面表述准确的是。___
A. 是指从历史上沿传下来的民族文化；
B. 是中华民族创造的具有中国民族特色的文化；
C. 是指以汉族为主体、多民族共同组成的中华民族在漫长的历史发展过程中创造的特殊文化体系；
D. 中国传统文化即儒家文化。
【单选题】
对待传统文化的正确态度是。___
A. 老祖宗留下的东西都是精华，全部继承；
B. 传统的东西都是糟粕，全部抛弃；
C. 对我有用的就保留，没有用的就摒弃；
D. 批判继承，推陈出新。
推荐试题
【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.
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
B. 错
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
A. 对
B. 错
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
A. 对
B. 错
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
A. 对
B. 错
【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
A. 对
B. 错
【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.
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
【判断题】
(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】
（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】
（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%
