【单选题】
空气是一种混合气体，其占最大比例的成分是___
A. 氧气
B. 氮气
C. 氢气
D. 二氧化碳
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答案
B
解析
暂无解析
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【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
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(3)The fluid environment surrounding each cell is called the___
A. intracellular fluid
B. intracellular fluid
C. internal environment
D. external environment
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(4) Which of the following is not the fundamental characteristic of living organisms?___
A. metabolism
B. adaption
C. reproduction
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【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
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【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
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【单选题】
8)The breakdown of large molecules to smaller ones is called___
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【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
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【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
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【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
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C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
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【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
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(3)Why was the physician not interested in pharmacognosy?___
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【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
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【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
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【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
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【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
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【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
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PLC 内部在数据存储区为每一种元件分配一个存储区域，并用字母作为区域标志符，同时表示元件的类型。其中 T 表示___。
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