【多选题】
数控设备运行的方式有___
A. Auto
B. JOG
C. MDA
D. HND
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答案
ABCD
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相关试题
【单选题】
关于产品质量监督抽查的说法，正确的是___
A. 监督抽查的样品，应从企业生产线上随机抽取
B. 监督抽查必须以产品标准作为判定依据
C. 监督抽查所需费用由被抽查企业支付
D. 国家监督抽查的产品，地方不得重复抽查
【单选题】
使用精度为0.01百分表时，长针走一圈和一小格尺寸变动多少？短针走一小格尺寸变动多少？___
A. 长针走一圈是1mm，一小格尺寸变动0.02mm；短针一小格尺寸变动1mm；
B. 长针走一圈是0.2mm，一小格尺寸变动0.001mm；短针一小格尺寸变动0.2mm；
C. 长针走一圈是0.2mm，一小格尺寸变动0.005mm；短针一小格尺寸变动0.2mm；
D. 长针走一圈是1mm，一小格尺寸变动0.01mm；短针一小格尺寸变动1mm。
【单选题】
SDS公司第三方质量管理体系认证标准,针对覆盖汽车行业的标准是指___
A. ISO9001质量管理体系标准
B. ISO/TS16949汽车行业质量管理体系标准
C. OHSAS18000职业健康安全管理体系标准
D. ISO14001环境管理体系标准
【单选题】
临时脱离通知，在 需识别为变化点___
A. 从临时脱离开始，一直到临时脱离结束期间
B. 在临时脱离开始首次执行时
C. 从临时脱离开始和结束时都需执行
D. 仅在临时脱离退出时执行
【单选题】
产品不合格分级的概念应理解为___
A. 根据其严重程度和其对产品适用性影响进行分级
B. 将可能发生的产品质量不合格，根据其严重程度的不同进行分级
C. 将已发生的产品质量不合格，按其质量特性的重要性进行分级
D. 将可能发生的产品质量不合格，根据其对产品适用性影响的不同进行分级
【单选题】
返工是指___
A. 为使不合格产品满足预期用途而对其所采取的措施
B. 对使用或放行不符合规定要求的产品的许可
C. 为使不合格产品符合要求而对其采取的措施
D. 为使不合格产品符合不同于原有的要求而对其等级的改变
【单选题】
“D”标识，在安全存档责任件中是指___
A. 作为影响安全特性过程工艺参数的标记
B. 作为安全特性的标记
C. 作为与安全特性有关的工艺流程卡上的过程标记
D. 作为与安全件和安全特性有关的存档责任文件和资料的标记
【单选题】
中频淬火试样在抛光完成后，需要使用一定浓度的硝酸酒精溶液腐蚀待组织显现后送至检测室检测，所用硝酸酒精溶液的浓度为___
A. 0.01
B. 0.04
C. 0.1
D. 0.5
【单选题】
以下哪种说法是正确的___
A. 工厂所有量具都必须经过法定计量单位校准或检定后，才能投入使用
B. 工厂所有量具都必须经过校准或检定后，才能投入使用
C. 工厂所有量具都无需校准或检定
D. 工厂所有量具在任何情况下，都必须校准或检定
【单选题】
关于粗糙度测量，哪种描述是正确的___
A. 应选择被测面上目测最粗糙的区域进行测量
B. 应选择被测面上目测最光洁的区域进行测量
C. 应选择被测面上目测光洁程度较为适中的区域进行测量
D. 应选择被测面上目测最粗糙，最光洁的区域分别测量，然后计算平均值
【单选题】
关于量具的测量力，哪种做法最正确___
A. 使用尽可能大的测力，同时确保测量部件与被测件之间无间隙
B. 使用尽可能小的测力，同时确保测量部件与被测件之间无间隙
C. 使用既不太大也不太小的测力，同时确保测量部件与被测件之间无间隙
D. 测力由测量人员根据测量条件，自由选择
推荐试题
【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
