【单选题】
大气的运动变化是由什么引起的。___
A. 冷热不均
B. 水汽交换
C. 地壳运动
D. 万有引力
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
推荐试题
【单选题】
对单证资料齐全、货物已运至指定地点，能够开始实施查验操作并当场确定查验结果的，应当在查验开始后__________完成现场实货验核工作。___
A. 2小时内
B. 4小时内
C. 8小时内
【单选题】
查验地点不具备实施查验的条件时，查验人员应当__________，并采取必要保护措施，待请示带班科长同意后，方可以重新开始作业。___
A. 中止查验
B. 径行查验
C. 彻底查验
D. 选择查验
【单选题】
因现场人员调配等原因无法执行自动派单结果时，可以由带班科长对自动派单结果进行人工干预，其结果应当在__________具体原因备查。___
A. 科室台账中注明
B. H2010系统中录入
C. 查验记录单上注明
D. 科长带班日志中注明
【单选题】
查验中如遇查验指令有误，经带班科长批准，现场查验人员可以与选择查验关员协商，由__________修改或终止查验指令。___
A. 带班科长
B. 现场查验关员
C. 选择查验关员
D. 处级以上领导
【单选题】
缉私部门受理的案件线索，决定立案调查的，应当自作出立案决定之日起__________工作日内，反馈移交部门，并说明理由。___
A. 2个
B. 3个
C. 5个
D. 7个
【单选题】
暂时进境货物超过规定期限未复运出境，在规定期限届满之日起__________内补办相关手续的，不移交缉私部门处理。___
A. 7天
B. 10天
C. 15天
D. 30天
【单选题】
大型集装箱检查设备工作人员应当佩戴个人辐射剂量计，实时监测工作环境的辐射剂量情况，每_________送专业部门检测辐射剂量。___
A. 1个月
B. 3个月
C. 6个月
D. 12个月
【单选题】
海关大型集装箱检查设备发生安全事故，造成财产损失或危及人身安全，影响海关工作正常开展的事件是__________突发事件。___
A. Ⅰ级
B. Ⅱ级
C. Ⅲ级
D. Ⅳ级
【单选题】
大型集装箱检查设备发生Ⅱ级突发事件原则上由__________应急指挥部负责指挥，__________应急预备队负责处置。___
A. 海关总署；直属海关
B. 直属海关；直属海关
C. 直属海关；隶属海关
D. 隶属海关；隶属海关
【单选题】
根据《海关系统大型集装箱检查设备应急预案》，事发地海关设备使用部门发现事件__________小时内，将有关情况向隶属海关应急指挥部报告。隶属海关应急指挥部对事件等级进行初步判断，__________小时内报告直属海关监管部门。___
A. 1；1
B. 1；2
C. 2；2
D. 2；4
【单选题】
下列关于总署相关部门在联网集中图像改革中职责分工的表述，错误的是：___
A. 监管司负责指导全国海关开展联网集中审像工作
B. 督审司负责全国海关开展联网集中审像的运行监控和绩效评估
C. 关务保障司负责联网集中审像系统相关的政府采购、设备配发等工作
D. 科技司负责指导、组织全国海关开展联网集中审像网络建设、系统开发工作
【单选题】
H986设备跨隶属海关集中模式中，须建立__________层面的联网集中审像专业人员队伍和机构，来开展联网集中审像工作。___
A. 海关总署
B. 直属海关
C. 隶属海关
D. 机检科室
【单选题】
H986设备单机联网模式是通过H986系统__________来提高单机作业效能。___
A. 与海关业务作业系统数据的自动交互
B. 与海关风险管理平台数据的自动交互
C. 与海关综合业务管理平台数据的自动交互
D. 与海关线索移交反馈系统数据的自动交互
【单选题】
大型集装箱检查设备现场检入岗位根据查验指令要求核对机检查验货物相关信息无误后，将检入信息向__________岗位发送。___
A. 查验接单
B. 图像分析
C. 系统管理
D. 系统操作
【单选题】
大型集装箱检查设备联网集中审图像的任务管理岗位，可根据__________情况对任务分派进行人工干预，对已派发的任务进行调整回收和重新分派。___
A. 机检单量
B. 经营单位
C. 人员上岗
D. 货物属性
【单选题】
采用联网集中审像方式的，因系统和网络故障等原因导致扫描图像无法传输且故障无法及时排除的，设备配置现场工作人员可__________。故障排除后，及时将现场审结的图像数据和结论传输至联网集中审像部门保存。___
A. 保存图像，等待排除故障
B. 等待网络故障排除后，重新扫描图像
C. 启动现场图像分析作业
D. 暂停作业，等待重新分派图像分析任务
【单选题】
对总署统配及引导外部出资购买的大型集装箱检查设备，完成设备总验收正式投入运行后__________起，开始上报上一个月绩效。___
A. 第一个月
B. 第二个月
C. 第三个月
D. 第四个月
【单选题】
优化监管查验工作机制是总署党组作出的重要决定，是全面落实__________理念，进一步加强海关监管查验工作、促进贸易便利化的重要举措。___
A. “由虚转实”
B. “进出并重”
C. “量质并举”
D. “由企及物”
【单选题】
对集装箱装载的、自欧美日直航进口的、已进行初步处理的固体废物，可不实施“三个100%查验”，但查验率不得低于__________。对未进行简单包装、打捆或压扎等初步处理的，仍要实施“三个100%查验”。___
A. 20%
B. 25%
C. 30%
D. 35%
【单选题】
有关当事人进口的固体废物不符合国家环境保护控制标准和相关技术规范等强制性要求，未经检验合格的，海关应当__________。___
A. 没收
B. 销毁
C. 责令退运
D. 移交环保部门
