【单选题】
地球大气中含量最多的元素是___
A. 碳
B. 氮
C. 铁
D. 氧
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答案
B
解析
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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
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【多选题】
我国的社会主义初级阶段是___
A. 从1949年新中国成立开始算起
B. 从1952年土地改革完成开始算起
C. 从1956年对农业、手工业和资本主义工商业的改造基本完成开始算起
D. 从1978年十一届三中全会召开，进入改革开放新时期开始算起
【多选题】
社会主义改造完成后，我国社会的主要矛盾是___
A. 生产力与生产关系之间的矛盾
B. 工人阶级与资产阶级的矛盾
C. 经济基础与上层建筑的矛盾
D. 人民群众对于经济文化迅速发展的需要同当前经济文化发展不能满足人民需要的矛盾
【多选题】
党在过渡时期的总路线和总任务是___
A. 无产阶级领导的，人民大众的，反对帝国主义，封建主义，官僚资本主义的革命
B. 在一个相当长的时期内，逐步实现国家的社会主义工业化，并逐步实现国家对农业、对手工业和对资本主义工商业的社会主义改造
C. 鼓足干劲，力争上游，多快好省地建设社会主义
D. 以经济建设为中心，坚持四项基本原则，坚持改革开放，自力更生，艰苦创业，为把中国建设成富强、民主、文明的社会主义现代化国家而奋斗。
【多选题】
1952年提出的过渡时期总路线的过渡时期是指___
A. 从中华人民共和国成立，到社会主义建成
B. 从国民经济恢复，到社会主义改造完成
C. 从中华人民共和国成立，到社会主义改造基本完成
D. 从总路线提出起，到建成社会主义
【多选题】
新中国成立后，毛泽东创造性地提出社会主义社会基本矛盾和两类矛盾的学说是在___
A. 《论十大关系》
B. 《中国革命和中国共产党》
C. 《矛盾论》
D. 《关于正确处理人民内部矛盾的问题》
【多选题】
在新民主主义社会中，存在五种经济成分，即国营经济、合作社经济、个体经济、私人资本主义经济、国家资本主义经济。其中，国家资本主义经济具有___
A. 完全的社会主义性质
B. 一定的社会主义性质
C. 完全的资本主义性质
D. 社会主义初级阶段的性质
【多选题】
从1949年到1952年党领导新中国的主要任务是___
A. 集中精力恢复国民经济，继续完成民主革命遗留的任务
B. 集中精力恢复国民经济
C. 继续完成民主革命遗留的任务
D. 实际开始向社会主义的过渡
【多选题】
党在过渡时期的总路线最显著的特点是___
A. 实行社会主义建设和社会主义改造同时并举
B. 以实现社会主义工业化为最主要目标
C. “一化三改”、“一体两翼”的辩证统一
D. 符合当时的基本国情，反映了新民主主义向社会主义转变的历史必然性
【多选题】
党在过渡时期的总路线之所以实行建设和改造同时并举，原因在于___
A. 社会主义工业化在我国不能离开对个体经济和资本主义经济的改造而孤立地进行
B. 个体经济和资本主义经济的社会主义改造必须要有社会主义工业化的物质基础
C. 一边改造一边就能实现社会主义工业化D.搞工业化社会主义公有制就能完善成熟
【多选题】
我国过渡时期总路线的主体是___
A. 逐步实现对农业、手工业、资本主义工商业的社会主义改造
B. 社会主义革命和社会主义建设同时并举
C. 逐步实现国家的社会主义工业化
D. 对资本主义经济进行改造
【多选题】
在由新民主主义向社会主义过渡的改造过程中，中国共产党确立实施了对生产资料私有制进行社会主义改造的政策，中共实行这一政策的目的是___
A. 消灭资本主义
B. 恢复国民经济
C. 解放和发展生产力
D. 建立国营经济
【多选题】
新中国成立后，党中央对各解放区进行了土地改革，在土改完成之后，广大农民农业生产的积极性大大提高。这种积极性主要表现在___
A. 个体经济和互助合作的积极性
B. 集体经济和个体经济的积极性
C. 集体经济和互助合作的积极性
D. 人民公社和互助合作的积极性
【多选题】
1956年年底，全国99%的工业企业和82%的商业企业实行了全行业的公私合营，这标志着国家对资本主义工商业的社会主义改造已基本完成。实行全行业公私合营的企业属于___
A. 资本主义私营企业性质
B. 社会主义性质
C. 半社会主义公私合营性质
D. 半社会主义合作化性质
【多选题】
1955年到1956年年底，毛泽东敏锐地意识到我国将会迎来农业合作化的高潮，为此，他提出了初级农业生产合作社应尽快转化为高级农业生产合作社的指示。高级农业生产合作社属于___
A. 资本主义性质
B. 社会主义萌芽性质
C. 半社会主义性质
D. 社会主义性质
