【单选题】
自然界的生物可以分为三大类，这就是___
A. 动物、植物与微生物
B. 海洋生物、陆地生物与高山生物
C. 动物、植物与昆虫
D. 高等生物、低等生物与微生物
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
A
解析
暂无解析
相关试题
【单选题】
(1)Whieh of the following descriptions about the characteristics of physiology is wrong？___
A. It is the study of how living organisms work.
B. It illustrates the discipline of the development and the evolution of disease and the essence of disease.
C. It is to study the living phenomena and the function activities of living organs.
D. It is to explain how they are regulated and integrated.
【单选题】
(2) Which of the following are specialized in producing force and movement?___
A. muscle cells
B. connective tissues
C. nerve cells
D. epithelial cells
【单选题】
(3)The fluid environment surrounding each cell is called the___
A. intracellular fluid
B. intracellular fluid
C. internal environment
D. external environment
【单选题】
(4) Which of the following is not the fundamental characteristic of living organisms?___
A. metabolism
B. adaption
C. reproduction
D. passive diffusion
【单选题】
(5)Whicl of the following is a physiological process with negative feedback?___
A. blood coagulation
B. process of passing urine
C. sino-aortic baroreceptor reflex
D. process of parturition
【单选题】
(6)Which of the following is not the characteristic of regulation by hormone?___
A. diffusenin nature
B. longer in duration
C. accurate in action
D. action in overcorrection
【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
B. They have the ability to break down large molecules to smaller ones to Liberate energy for their activities
C. They possess a nucleus which contains genetic information in the form of deoxyribonucleicacid(DNA).
D. Living cells can not transform materials.
【单选题】
8)The breakdown of large molecules to smaller ones is called___
A. respiration
B. anabolism
C. catabolism
D. absorption
【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
A. It responds fast
B. It acts exactly
C. It responds slowly.D.
D. uration is short
【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
推荐试题
【单选题】
马克思主义认为，道德起源于___
A. 人性中的情感、欲望
B. “天”的意志或“神”的启示
C. 人先天具有的某种良知和善良意志
D. 社会关系的形成及人类自我意识的形成与发展
【单选题】
在人类历史上，原始社会的经济关系产生了原始共产主义道德，封建社会的经济关系产生了封建主义道德，资本主义社会的经济关系产生了资本主义道德，社会主义社会的经济关系产生了社会主义道德。这说明___
A. 社会道德对社会经济关系具有决定作用
B. 有什么样的生产方式就有什么样的社会道德
C. 社会经济关系的性质并不决定社会道德体系的性质
D. 社会道德的发展变化必然引起社会经济关系的发展变化
【单选题】
社会主义集体主义强调在集体利益和个人利益发生矛盾或冲突时，要求___
A. 坚持集体利益服从个人利益
B. 坚持集体利益高于个人利益
C. 为集体利益任意牺牲个人利益
D. 为个人利益暂时放弃集体利益
【单选题】
新文化运动时期，对待中国传统文化及道德有两种对立的观点：全盘否定与全盘肯定。今天，回顾历史，观照现实，对待中华传统文化与道德正确的态度应是___
A. 全盘复古
B. 全盘西化
C. 结合时代要求继承创新
D. 一半传统一半西方
【单选题】
下列选项中，对集体主义原则的错误理解是 ___
A. 集体主义要求不论在什么情况下，都要无条件地牺牲个人利益
B. 集体主义强调国家利益和个人利益的辩证统一
C. 集体主义原则重视个人利益
D. 集体主义原则强调国家利益、集体利益高于个人利益
【单选题】
集体主义在主张集体利益高于个人利益的同时，也重视个人正当利益。下列属于个人正当利益的是___
A. 合法收入基础上的个人合理享受
B. 捡到别人的一部苹果手机据为己有
C. 某官员接受商人行贿的一套房产
D. 单位违法发放的奖金
【单选题】
社会主义道德区别并优越于其他社会形态道德的显著标志是，社会主义道德建设___
A. 以功利主义为原则
B. 以知荣明耻为重点
C. 以为人民服务为核心
D. 以非强制性规范为特色
【单选题】
曾子说：“五日三省吾身。为人谋，而不忠乎？与朋友交，而不信乎？传不习乎？”这体现了中华传统美德中的___
A. 礼让精神
B. 强调道德修养塑造理想人格的精神
C. 奉献精神
D. 宽厚待人的精神
【单选题】
下列对中国革命道德的错误理解是___
A. 中国共产党人、一切先进分子、人民军队和人民群众在中国革命、建设、改革中形成的优秀道德。
B. 中国革命道德是一种精神力量，也对当前社会主义建设事业发挥着重要作用
C. 中国革命道德超越了中华传统美德的时代局限
D. 与中华民族传统道德无关
【单选题】
中国革命道德的定义是___
A. 中国共产党人、一切先进分子和人民群众，在中国革命和建设中所形成的优良传统
B. 人类社会特有现象，是社会意识形态之一
C. 一定社会调整人与人、个人与社会之间关系的行为准则和规范的总和
D. 通过社会舆论、传统习惯和人们内心信念来维持
【单选题】
雷锋说：“一滴水放进大海才永远不会干涸，一个人只有当他把自己和集体事业融合在一起的时候才能最有力量。”这表明___
A. 个人利益是集体利益的前提
B. 个人利益可以促进集体利益发展
C. 个人利益和集体利益是辩证统一关系
D. 个人利益和集体利益没有矛盾
【单选题】
某公司的职工在三亚旅游时，主动把吃剩的瓜子壳、果皮等收拾干净，放到垃圾箱里。他们的这种行为是___
A. 可有可无的
B. 职业要求的
C. 多余的，因有专人打扫
D. 应该的，是自觉遵守社会公德的表现
【单选题】
在公共场所人人都可能会遇到一些突发性灾祸，如车祸、溺水、意外病痛等，这就需要人们见义勇为，临危不惧，积极为他人排忧解难。这体现的是社会公德中___
A. 文明礼貌的要求
B. 保护环境的要求
C. 助人为乐的要求
D. 爱护公物的要求
【单选题】
国家公务员履行公务应遵纪守法，照章办事，不论远近亲疏都一视同仁,这是 ___
A. 助人为乐的社会公德的要求
B. 办事公道的职业道德的要求
C. 尊老爱幼的家庭美德的要求
D. 完善自我的人际吸引的要求
